Institutional Verification · Sole Author: Patrick Ribbsaeter (@patrickswedish)

35 Sovereign Contributions.
Cryptographically Verified.

Independent upstream engineering contributions authored exclusively by Patrick Ribbsaeter across compiler toolchains, distributed database engines, virtual machine monitors, generative diffusion pipelines, and cloud SDKs—anchored to immutable 40-character Git object hashes and sovereign raw .patch archives.

35
Total Verified Proofs
21
Merged Upstream Mainline
14
Adopted / 100% CI Green
SHA-1
40-Char Immutable Proofs

Tier I · Upstream Mainline Merges

Merged Upstream Mainline Commits (21)

Direct 40-char commit hashes authored by Patrick Ribbsaeter + raw .patch archives
LLVM Compiler Infrastructure Logo
LLVM/llvm-project
COMPILER

X86 SelectionDAG Non-Power-of-Two Vector Division

Author: Patrick Ribbsaeter · C++ · SHA d7f1904ecf19

Compiler backend SelectionDAG demand-analysis fix preserving vectorized SIMD lowering for legalized non-power-of-two integer division vectors (<3 x i32>, <5 x i32>) when every result lane is demanded.

Meta Logo
Meta/velox
SYSTEMS

TopNRowNumber In-Memory Ascending Rank Parity

Author: Patrick Ribbsaeter · C++20 · SHA 8612db55bbc5

Vectorized C++20 execution engine fix reordering retained in-memory max-heap partition rows into ascending rank sequence before vector batch emission, unifying in-memory and spilled WindowNode semantics.

DuckDB Logo
DuckDB/duckdb
SYSTEMS

PIVOT Binder Null-Dereference Elimination

Author: Patrick Ribbsaeter · C++ · SHA bbec3354bdee

Analytical SQL engine parser and binder fix preserving empty child lists in zero-argument row() expressions and rejecting empty PIVOT IN row tuples cleanly instead of dereferencing a null pointer.

Tokio Async Runtime Logo
Tokio/tokio
RUNTIME

Current-Thread Scheduler Paused-Time Wake Tracking

Author: Patrick Ribbsaeter · Rust · SHA 482eaddec034

Asynchronous Rust scheduler fix recording time-driver wake state when unparking tasks on the current-thread runtime, preventing premature paused-clock auto-advance past pending timer wakeups.

Apache Software Foundation Logo
Apache/datafusion
SYSTEMS

Recursive Nested Struct/List/Union Schema Adaptation

Author: Patrick Ribbsaeter · Rust · SHA 2326917aa8d6

Distributed Rust query engine fix adapting stricter nested Struct, List, and Dense/Sparse Union nullability at the MemoryStream producer boundary without copying underlying Arrow buffer memory.

Apache Software Foundation Logo
Apache/datafusion
SYSTEMS

CASE Literal Lookup Table FixedSizeBinary Downcast

Author: Patrick Ribbsaeter · Rust · SHA c52eb9734b4c

Physical expression evaluator fix resolving runtime downcast panics when evaluating SQL CASE literal lookup tables over Arrow FixedSizeBinaryArray columns.

Apache Software Foundation Logo
Apache/arrow-rs
SYSTEMS

ListView & LargeListView Leaf Schema Projection

Author: Patrick Ribbsaeter · Rust · SHA a8306d68e575

Core columnar Arrow schema traversal fix extending Fields::filter_leaves recursion to descend into ListView and LargeListView container types during nested leaf projection.

Datadog Logo
Datadog/vector
DEVELOPER TOOLING

Deterministic CUE Formatting Diff Isolation in vdev

Author: Patrick Ribbsaeter · Rust · SHA a1d3e029ca39

Vector developer CLI fix isolating pre-existing unstaged working-tree edits from files actually mutated by cue fmt during vdev check docs verification.

AWS Logo
AWS/firecracker
RUNTIME

TimerFd Infallible Destructuring & Rust Toolchain Hygiene

Author: Patrick Ribbsaeter · Rust · SHA 5732b8331e1e

AWS Firecracker microVM utility crate update resolving Rust 1.94+ clippy::infallible_destructuring_match enforcement across TimerFd file-descriptor ownership paths in src/utils/src/time.rs.

Valkey / Linux Foundation Logo
Valkey/valkey
SYSTEMS

Dynamic Cluster Hash-Slot Resolution for Module Commands

Author: Patrick Ribbsaeter · C · SHA 2a823011bd69

Distributed in-memory storage engine fix dynamically resolving cluster hash slots from accessed keys for module and movable-key commands instead of trusting stale client slot caches.

eBay Logo
eBay/NuRaft
SYSTEMS

Raft Consensus Concurrent Snapshot Finalization Lock

Author: Patrick Ribbsaeter · C++ · SHA 503deae0a73c

C++ Raft consensus state-machine fix serializing concurrent snapshot finalization callbacks so overlapping InstallSnapshot RPC streams cannot corrupt committed state.

Microsoft Logo
Microsoft/pyright
COMPILER

Inherited Asymmetric Descriptor MRO Type Evaluation

Author: Patrick Ribbsaeter · TypeScript · SHA eb175addd4eb

Python static type-checker fix in Microsoft Pyright (powering VS Code Pylance) accurately detecting inherited asymmetric getter/setter descriptors across multi-level MRO hierarchies.

Microsoft Logo
Microsoft/typespec
COMPILER

TypeSpec Compiler Playground Emitter State Synchronization

Author: Patrick Ribbsaeter · TypeScript · SHA 7c995f21898f

API definition language workspace fix preserving sample emitter options and compiler configuration synchronization across Monaco model transitions in Microsoft TypeSpec.

Hugging Face Logo
Hugging Face/diffusers
AI INFRASTRUCTURE

InpaintProcessor 3-Tuple Tensor Return Contract

Author: Patrick Ribbsaeter · Python · SHA d961a388fd02

Generative diffusion pipeline fix preserving the 3-tuple tensor return invariant in VaeImageProcessor/InpaintProcessor across masked latent conditioning workflows.

Microsoft Logo
Microsoft/agent-governance-toolkit
AI INFRASTRUCTURE

Fail-Closed Zero-Stage Approval Chain Guard

Author: Patrick Ribbsaeter · Python · SHA b606f5a8b7f5

Authorization security hardening blocking vacuous empty-set containment on zero-required-stage approval chains so unconfigured policies fail closed instead of resolving to ALLOW.

Microsoft Logo
Microsoft/agent-governance-toolkit
AI INFRASTRUCTURE

Policy-Fixture Non-Null Expectation Enforcement

Author: Patrick Ribbsaeter · Python · SHA 2999b0053ef4

Compliance test runner validation rejecting empty or null-only policy fixtures prior to replay so incomplete governance suites cannot report false-positive pass results.

Meta Logo
Meta/pyrefly
COMPILER

Initialized Class Annotation Descriptor Binding

Author: Patrick Ribbsaeter · Rust · SHA 8387bfded373

Rust static type-inference fix in Meta Pyrefly preserving __get__ and __set__ descriptor protocol binding when class attributes carry both type annotations and descriptor initializers.

Meta Logo
Meta/pyrefly
COMPILER

LSP Method-Definition Completion Deduplication

Author: Patrick Ribbsaeter · Rust · SHA 941711b384d7

Language Server Protocol engine fix in Meta Pyrefly eliminating duplicate identifier and override completion candidates while authoring method signatures inside class bodies.

Python Open Source Logo
The Bushido Collective/han
DEVELOPER TOOLING

Windows Drive-Colon Path Slug Normalization

Author: Patrick Ribbsaeter · TypeScript · SHA 6529db3be652

TypeScript cross-platform path encoding fix normalizing Windows drive-letter colons and backslash separators to match Claude Code double-dash project slug directories.

Python Open Source Logo
Collective/icalendar
DEVELOPER TOOLING

Immutable CLDR Revision Pinning & Timezone Provenance

Author: Patrick Ribbsaeter · Python · SHA d1f24de361c6

Supply-chain reproducibility fix resolving the exact Unicode CLDR commit touching windowsZones.xml, fetching from that immutable SHA, and recording provenance across 139 generated mappings.

Anthropic / Claude Ecosystem Logo
ADHD/adhd
AI INFRASTRUCTURE

Generation-Only Claude Agent SDK Tool Sandboxing

Author: Patrick Ribbsaeter · TypeScript · SHA 268810d19482

TypeScript agent runtime fix replacing ineffective allowedTools: [] with tools: [] and removing bypassPermissions so pure-generation divergence queries cannot invoke built-in shell tools.

Tier II · Upstream Adopted & Zero-Failure CI Green

Adopted / Shipped & 100% CI Green Pull Requests (14)

Pinned parent...head 40-char Git diffs · 0 failed CI checks · raw .patch archives
Vercel Logo
Vercel/ai
SDK

Claude Code Harness Subagent Step Stream Isolation

Author: Patrick Ribbsaeter · TypeScript · SHA 2db9e370e66b

TypeScript streaming state-machine fix isolating nested parent_tool_use_id subagent events from parent step lifecycle boundaries in Vercel AI SDK's Claude Code harness.

ADOPTED UPSTREAM · 51 CHECKS GREEN✓ 51 Checks Green↗
Vercel Logo
Vercel/ai
SDK

Structured Google RPC QuotaFailure & RetryInfo Preservation

Author: Patrick Ribbsaeter · TypeScript · SHA 4160f385b178

Google Gemini provider error-schema fix preserving structured google.rpc.QuotaFailure and google.rpc.RetryInfo payloads inside APICallError.data on HTTP 429 responses.

Capital One Logo
Capital One/datacompy
SYSTEMS

PySpark Classic & Spark Connect Object-Level Dispatch

Author: Patrick Ribbsaeter · Python · SHA 8a3c0e632d82

Distributed data reconciliation fix replacing broken process-global SPARK_CONNECT_MODE_ENABLED state assumptions with dynamic object-level dispatch across DataFrame and Column comparators.

ADOPTED & SHIPPED · 2/2 CI GREEN✓ 2/2 CI Green↗
Anthropic / Claude Ecosystem Logo
Anthropic/anthropic-sdk-typescript
SDK

Minification-Safe Deterministic Anthropic/JS User-Agent

Author: Patrick Ribbsaeter · TypeScript · SHA 776a948eff52

SDK network identity fix decoupling default User-Agent header generation from mutable constructor.name symbols that drift under JavaScript minification and client subclassing.

SHIPPED IN SDK v0.116.0
Cloudflare Logo
Cloudflare/workers-sdk
RUNTIME

WebSocket Upgrade Rejection TCP Backpressure Streaming

Author: Patrick Ribbsaeter · TypeScript · SHA 2df0107de353

Edge runtime socket lifecycle fix streaming complete HTTP 4xx/5xx headers and payload bodies with TCP backpressure handling before FIN teardown when a Worker rejects a WebSocket upgrade.

Valkey / Linux Foundation Logo
Valkey/valkey
SYSTEMS

Zero-Copy Big-Arg Query Buffer Steal Without Fat SDS Prealloc

Author: Patrick Ribbsaeter · C · SHA 42518fbfd71a

Networking buffer fix replacing eager multi-megabyte SDS_NOINIT preallocation after zero-copy big-arg extraction in parseMultibulk() with tight buffer sizing, eliminating O(N) memmove stalls.

Apache Software Foundation Logo
Apache/datafusion
SYSTEMS

Parquet Legacy 2-Level List INT96 Timestamp Coercion

Author: Patrick Ribbsaeter · Rust · SHA a0ebcfa01bde

Parquet schema-coercion fix recursively coercing legacy INT96 physical timestamps nested inside 2-level Spark/Hive list layouts to target Arrow Timestamp units without reader schema mismatch.

Apache Software Foundation Logo
Apache/datafusion
SYSTEMS

RunEndEncoded Key Support in Min/Max & Piecewise Merge Join

Author: Patrick Ribbsaeter · Rust · SHA fd5fb51ec002

Vectorized aggregate and join kernel enhancement unpacking logical values for Arrow RunEndEncoded (REE) arrays across MIN/MAX accumulators and PiecewiseMergeJoin execution.

Apache Software Foundation Logo
Apache/datafusion
SYSTEMS

PartitionedTopK StringView/BinaryView Buffer Compaction

Author: Patrick Ribbsaeter · Rust · SHA 264141bcfa04

Memory-footprint fix compacting pinned StringView and BinaryView variadic data buffers inside PartitionedTopK operators to prevent multi-gigabyte batch buffer retention during streaming Top-K queries.

Apache Software Foundation Logo
Apache/arrow-rs
SYSTEMS

ParquetMetaDataPushDecoder Footer Length Bounds Guard

Author: Patrick Ribbsaeter · Rust · SHA b1ca559e75ea

Parquet parser hardening validating declared footer metadata_len against total file length before range computation in ParquetMetaDataPushDecoder, preventing arithmetic underflow on corrupt footers.

Python Open Source Logo
AnyIO/anyio
RUNTIME

Structured Concurrency TaskGroup.start() Exception Preservation

Author: Patrick Ribbsaeter · Python · SHA fbab57e9c757

Asyncio structured-concurrency backend fix ensuring exceptions raised by child coroutines prior to task_status.started() are preserved instead of masked by outer cancellation scopes.

PyTorch Logo
PyTorch/torchtune
AI INFRASTRUCTURE

Mistral & Gemma Tokenizer EOS Control Alignment

Author: Patrick Ribbsaeter · Python · SHA 2f2401a40664

LLM fine-tuning tokenizer fix aligning add_eos sequence termination controls across Mistral and Gemma tokenizers so sequence packing obeys explicit end-token configuration.

eBay Logo
eBay/NuRaft
SYSTEMS

Raft Peer-Map Iterator Invalidation Prevention

Author: Patrick Ribbsaeter · C++ · SHA 3013895f7102

C++ Raft consensus memory-safety fix preventing peer-map iterator invalidation inside handle_append_entries_resp when a leaving server triggers removal during quorum traversal.

PyTorch Logo
PyTorch/pytorch
CUDA / GPU

TorchInductor Triton Sum-Reduction IEEE-754 -0.0 Identity

Author: Patrick Ribbsaeter · Python · SHA 8c9ce49e2ab1

TorchInductor Triton kernel codegen fix initializing floating-point sum reduction accumulators with IEEE-754 negative zero (-0.0) so compiled GPU reductions match PyTorch eager semantics on all-negative-zero inputs.

Cryptographic Git Provenance · Zero Mutable Branch Pointers

Sovereign .patchVault & 40-Char Object Hashes

Every proof in this ledger avoids mutable branch comparisons (mutable branch ref comparisons) and instead locks both parent and head commits to exact 40-character SHA-1 hashes, backed by verbatim git format-patch files hosted directly under /git-proofs/*.patch for independent cryptographic verification via git apply --check or git am.

Nominative Fair Use & Sole Authorship Disclosure: All 35 records in this ledger are authored solely by Patrick Ribbsaeter (@patrickswedish) and publicly verifiable via cryptographic Git SHA-1 commits and self-hosted .patch archives. Referenced brand names and logos are used strictly under nominative fair use to identify the upstream open-source repositories.