Provenance Record

News, 899 words (400-1200 range). Clear structure: Overview, what OpenAI says it is acquiring, Pando as described two days earlier, how outlets frame the deal, what is not known. Facts are attributed to the party that stated them; vendor figures are labelled as OpenAI's; the press GitHub framing is labelled as the press's. Title is 140 characters (under the 150 guideline) and long but accurate; the 'Two Days After' juxtaposition is a dated fact (see factual_accuracy).

Snapshots read from sources/2026-11/openai-announces-plan-to-acquire-pierre-computer-whose-trees-and-diffs-libraries-codex-uses-two-days-after-detailing-its-pando-git-backend/ (uncompressed sha256 recomputed and matched manifest for source-0,1,2,3,5). source-0.html.gz (openai.com/index/openai-to-acquire-pierre, sha256 aafd0ab4c52c1b4e..., DIRECT capture, HTTP 200, not an Archive.org capture; dated Nov 4, 2026): confirms Pierre Computer Company, Inc. as 'the company behind Code Storage and a family of standout open-source developer tools'; 'If you've browsed files or reviewed a change in the Codex app, you've already used Pierre's Trees and Diffs libraries'; 'the libraries we use in Codex today'; Trees/Diffs/Highlights/Code Storage descriptions verbatim as quoted; 'Pando, our in-house source control backend for engineers and agents'; 'Pierre's open-source projects will remain open-source, and we'll continue to contribute to them'; 'Customers can continue using Code Storage after the acquisition closes while we work to bring its features and functionality into Codex'; 'our ambition is to advance the future of source control across the industry'; 'subject to customary closing conditions, including receipt of regulatory approvals'; 'OpenAI and Pierre will remain separate and independent companies'. No mention of GitHub (grep: zero hits), no terms, no closing date. source-1.html.gz (openai.com/index/scaling-git-at-openai, sha256 caa3b4307ee30250..., DIRECT capture, HTTP 200; page date Nov 2, 2026, time attribute 2026-11-02T15:30 with no zone, so Nov 2 on any US or UTC basis; authors Aaron Friel, Taylor Blau, Ted Nyman): confirms 'Pando now powers all development in OpenAI's monorepo'; 'cut median push latency by nearly 5x'; 'nearly a petabyte of Git data per day'; later 'reduced the latency of the median push by nearly 80%'; 'reliability at times falling below 90%'; 'Starting around the end of last year'; independent per-branch coordination and packfile reuse; 'a reader looking at several branches can see them at different points of time'; compatibility with the Git protocol and client; 'We built Pando with Codex ... in just 10 weeks', core 'designed by a single engineer, implemented by teams of agents', production traffic 'in April of this year', Rust; 'currently exploring ways to share the technology that makes Pando possible with our users'; improvements 'already in upstream Git, and many others in our public repository'. No GitHub mention. The '2,400%' commit-growth figure is NOT in OpenAI's post (grep: zero hits), so the writer correctly dropped it. Recomputed: a fivefold cut leaves 1/5 = 20% of the latency, i.e. an 80% reduction; 'nearly 5x' and 'nearly 80%' are both OpenAI's wording and the equivalence is correctly labelled as the Herald's own arithmetic. source-2.html.gz (siliconangle.com, sha256 487d2b6338c286b3..., HTTP 200; updated 16:14 EST Nov 4, 2026): confirms 'The terms of the deal were not disclosed'; 'Observers pegged it as a shot at Microsoft Corp.'s open-source software repository GitHub' with no observers named; Pierre 'operates a cloud service that AI agents can use to store the code they generate'; Trees and Diffs 'underpin the interface of OpenAI's Codex'; 'On Monday' OpenAI revealed Pando (Nov 2, 2026 is a Monday, consistent). Note: SiliconANGLE never uses the name 'Code Storage'; the article's sentence 'SiliconANGLE describes Code Storage as a cloud service...' equates SiliconANGLE's description with Code Storage, an identification supported by OpenAI and DevOps.com but not made by SiliconANGLE (info only, no correction). source-3.html.gz (thenewstack.io via Archive.org capture 20261106053100, archive_fallback true; sha256 274a600d3db33722...; site returned 200 live per the script but the stored snapshot is the archive copy; extracted article paragraphs by Frederic Lardinois, datePublished 2026-11-03): confirms 'cut push latency by nearly 5x, the company says' and 'close to a petabyte of Git data per day'; 'Like OpenAI's work, those are based on Git, but others ... start from scratch with a new client and architecture' (Entire, Origin; the source names Anthropic in that list, the article omits the name); 'OpenAI isn't open sourcing the backend, and as of now, it only says that it's looking into ways to share the underlying technology'. The New Stack also reports a 2,400% commit-growth figure attributed to the company, which the article does not use. The page carries the line 'TNS owner Insight Partners is an investor in: OpenAI, Anthropic.' (see corrections). source-4 (devops.com): the script's snapshot FAILED (HTTP 403, file null, Cloudflare 'Just a moment' challenge on live fetch with a browser User-Agent, no Archive.org capture exists: availability API returned empty, direct wayback requests 429). Read by another route: the publisher's own WordPress REST API, https://devops.com/wp-json/wp/v2/posts?slug=openai-acquires-pierre-computer-to-expand-codex-challenge-github (HTTP 200, raw JSON sha256 19e52a6d5cb48c10..., rendered content HTML sha256 30a76619a5d18d45...; post id 209021, date_gmt 2026-11-04T19:00:52, author James Maguire, categories Blogs/Business of DevOps/DevOps Toolbox/Features, not sponsored). It confirms: 'Financial terms were not disclosed'; 'The platform supports repositories as large as 32TB and at least 30 concurrent writes, according to Pierre'; 'OpenAI plans to incorporate Code Storage into Codex after the acquisition closes. Existing customers will retain access to the storage service, and Pierre's open-source projects will remain available'; the key-takeaways field 'The deal strengthens Codex's position against GitHub as AI coding tools expand into code storage, review and other development workflows'; and 'The purchase follows OpenAI's November 2 announcement of Pando', reporting 'nearly 80%' and 'nearly a petabyte' as OpenAI's figures. This is raw publisher data, not a summary; the snapshot gap is therefore closed, though the provenance snapshot for this source is empty. source-5.html.gz (infoq.com, sha256 3bfdf798728ac9b4..., HTTP 200; Nov 8, 2026): confirms Entire is 'a Git forge designed specifically for collaboration between human developers and AI coding agents', Thomas Dohmke is 'former GitHub CEO and currently CEO of Entire', and 'Entire is only one of several new players in the source code management arena, which also include Zed DeltaDB, Anthropic Scion, East River Source Control, Cursor Origin, Radicle, and others'. InfoQ does not mention OpenAI, Pierre or Pando, so it supports only the context sentence. Allowlist: thenewstack.io, siliconangle.com, devops.com, infoq.com and openai.com are all already in config/source_allowlist.txt; no addition needed. devops.com meets the editorial-outlet test (named staff byline James Maguire, news post, not sponsored). suspicious_patterns: none recorded for any source; no injected instructions found. Anthropic disclosure: not required - Anthropic is not named in the headline, summary, lead or body prose; it appears only inside lists in The New Stack and InfoQ, which the article does not reproduce (the only occurrence is inside the URL slug of the linked Herald analysis, not prose).

Every quote, number, date and attribution was checked individually against raw text and holds. Headline: 'Whose Trees and Diffs Libraries Codex Uses' is OpenAI's own statement ('the libraries we use in Codex today'), confirmed independently by SiliconANGLE and DevOps.com. 'Two Days After Detailing Its Pando Git Backend': Pando post is dated Nov 2, 2026 and the acquisition post Nov 4, 2026 (DevOps.com published 2026-11-04T19:00Z, SiliconANGLE updated 16:14 EST Nov 4); SiliconANGLE says 'On Monday' for Pando (Nov 2 is a Monday). Two calendar days holds on a US or UTC basis. Rule 13 (juxtaposition): the article states the order and does not say the acquisition followed from Pando; OpenAI's own acquisition post cross-references Pando ('Earlier this week, we shared how we're scaling Git at OpenAI with Pando') and DevOps.com writes 'The purchase follows OpenAI's November 2 announcement of Pando', so the pairing is in the sources, and the article attributes no motive. Pando figures (5x, nearly 80%, petabyte, below 90% reliability) are all labelled OpenAI's own; The New Stack's 'the company says' is reported accurately; the equivalence of 5x and 80% is labelled as Herald arithmetic and recomputes correctly. The GitHub framing is attributed to SiliconANGLE (unnamed 'observers', as the article notes) and DevOps.com; the article correctly says neither OpenAI post mentions GitHub. Absence and quantifier sentences tested against all six sources: 'None of the cited sources gives a closing date' (true for all six), 'none ... gives a timeline, or says whether Pando and Code Storage will be combined' (true: OpenAI links the two posts but does not say they will be combined), 'none ... reports a measurement of Pando by anyone outside OpenAI' (true: SiliconANGLE, DevOps.com and The New Stack relay OpenAI's claims; InfoQ does not mention Pando), 'SiliconANGLE and DevOps.com both say financial terms were not disclosed' (true), 'none ... says what form that would take, beyond The New Stack's report' (true). 'OpenAI's two posts ... do not mention GitHub' (verified by grep on both snapshots). No relative dates except one: 'starting around the end of last year' (see corrections). Consistency with the Herald's Nov 9 Analysis on coding-tool deals (2026-11/09-meta-factory-and-openai-announced-coding-tool-deals...): the two articles agree. Both report that OpenAI plans to acquire Pierre, terms were not disclosed, Trees and Diffs underpin Codex, open-source projects stay open source, Code Storage customers keep the product while features move into Codex, and the deal had not closed when announced (regulatory approvals, separate companies until closing). Neither claims a closing date or a timeline. The Analysis's corrections record flags the omitted 'TNS owner Insight Partners is an investor in' disclosure for The New Stack; this News has the same exposure (the same New Stack disclosure names OpenAI, the subject) and gets the same clarification, so the flaw is not repeated. The link to the Herald's Nov 1 Analysis resolves to an existing published article (2026-11/01-cursor-github-and-anthropic-...), is described accurately ('compared source-control infrastructure that Cursor, GitHub and other vendors described for agent-driven change volume') and correctly said to predate both OpenAI announcements; that Analysis's corrections record (Anthropic disclosure; Cursor sourced via The Register) does not bear on any statement in this article.

Accurate, well-attributed News that keeps vendor claims labelled and states plainly what is not known. All quotes verbatim, all figures and dates verified, no causal framing, consistent with the Herald's Nov 9 Analysis. Two subordinate clarifications (one relative date, one undisclosed investor relationship of a cited outlet), neither touching the headline, summary or lead. Verdict: APPROVE_WITH_CORRECTIONS. Featured candidacy: 1 - accurate coverage of a small-startup acquisition and a vendor engineering post for the source-control and coding-agent developer audience