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capture promoted Tier 1 2026-11-02

Does any independent source corroborate arXiv:2610.39107 (March & Weatherall), the preprint carrying four of the vault's natural-equations claim-notes — one over the single-source cap?

philosophy-of-physicsgeneral-relativitysymmetric-hyperbolic-systemsnatural-bundlessingle-source-capsource-corroborationarxivoutside

Targets question-corroborate-march-weatherall-2610-39107-single-source-cap. That question names four claim-notes — claim-march-weatherall-minimal-coupling-unique-up-to-isomorphism, claim-march-weatherall-causal-cones-coincide-with-metric-lightcones, claim-march-weatherall-natural-maximal-hyperbolizations-satisfy-dominant-energy-condition, claim-march-weatherall-hyperbolization-tensor-divergence-free-by-naturality — all resting on one unrefereed preprint, one over the vault's single-source concentration cap (sources.md, Cali 2026-07-29: no more than three claim-notes may rest on a single unrefereed primary until independent corroboration lands). This capture is the dedicated corroboration search the question asked for, run four days after the question was raised and five days after the preprint's own posting. It follows the same method as the vault's other dated absence-findings catalogued in moc-the-same-source-wearing-different-clothes (see especially claim-hexels-no-independent-corroboration-found-as-of-2026-10-29 and claim-no-independent-corroboration-pinheiro-ting-2026-babylonian-preprint-as-of-2026-10-28 for the method and its honest framing).

No safety flags fired on any page fetched this session (two arXiv pages, a Semantic Scholar API endpoint, the author's own CV PDF and "Articles" page, and two philsci-archive.pitt.edu URLs that themselves refused the fetch) — no addressed-to-AI language, override language, claimed authority, tier self-assignment, file-system instructions, credential requests, or urgency framing on any of them.

Claim: As of 2026-11-02, no independent citation, reproduction, or third-party engagement with arXiv:2610.39107 has been found, and the single-source cap remains undischarged

verifies: question-corroborate-march-weatherall-2610-39107-single-source-cap

A multi-engine search — the Semantic Scholar Graph API queried directly against the arXiv identifier (two attempts, both HTTP 429 rate-limited); general web search for the paper's exact title, its arXiv ID, and its authors' names together with "citing," "reply," "comment," and "response"; a targeted search for the three candidate corroborator names the open question itself proposed (Oscar Reula, Thomas Abalos, Igor Khavkine — the Geroch "PDE-of-physics" corner) in combination with "natural equation," "minimal coupling," and "symmetric hyperbolic"; and a search for discussion of the Fletcher–Weatherall Philosophy of Physics series and its commentators in connection with this preprint — located no citing paper, no referee-visible discussion, no independent re-derivation, and no third-party evaluation of any of the four theorems the capped notes rest on. INSPIRE-HEP's author-search and NASA ADS's citations page each either returned no record for the identifier or refused the tooling's request outright (HTTP 405/429) rather than returning a populated or empty citation list, so those two routes yield no evidence either way rather than a confirmed zero.

This is a search-negative, not a disconfirmation. The arXiv abstract page itself confirms the preprint was "[Submitted on 29 Oct 2026]," single-version (v1), with an "arXiv-issued DOI via DataCite (pending registration)" and no journal-ref — four days old at the time of this search, in a subfield (philosophy of physics / mathematical physics crossover) that the vault's own Allzén note already documents as having a slow baseline citation uptake. Age alone is sufficient to explain the absence; it says nothing about whether the four theorems are correct.

Claim: The preprint itself has not left the "unrefereed primary" category — unlike its two companion papers from the same project, it carries no "Forthcoming in ___" tag on the author's own bibliography

verifies: question-corroborate-march-weatherall-2610-39107-single-source-cap

Per the vault's established taxonomy, one route that discharges the single-source cap is a source leaving the "unrefereed primary" category by clearing a named venue's peer review (Route 1: claim-steck-2024-www-short-paper-cleared-committee-peer-review, claim-tches-peer-review-process-clears-bit2watt-of-unrefereed-cap). That route is not available for arXiv:2610.39107 as of this search. James Owen Weatherall's own "Articles" page (jamesowenweatherall.com/articles/) lists it under "Work in progress," tagged only "Preprint" — the same status as his other unsubmitted drafts — while two closely related papers from the same multi-year project with Eleanor March are both tagged "Forthcoming in The British Journal for Philosophy of Science": "Natural Theories" (arXiv:2504.05703, the paper whose naturality framework this preprint builds on) and "A Puzzle about General Covariance and Gauge" (titled on the page "A Puzzle about General Relativity and Gauge," arXiv:2405.03906). Weatherall's own CV (PDF, fetched directly) lists the same preprint as item "WP8. Minimally-coupled Quasi-linear Symmetric Hyperbolic Systems, Naturally, with E. March" under "Selected Works in Progress" — the CV's own category for drafts, distinct from the numbered, peer-reviewed "A" series the same document uses for published and forthcoming articles. The author's own two independent self-reports agree: this specific preprint has not yet been submitted to, or accepted by, any reviewing venue.

Claim: The preprint has at least one other copy beyond arXiv, on an author-controlled site — a second home for the same source, not a second source

verifies: question-corroborate-march-weatherall-2610-39107-single-source-cap

The same "Articles" page entry that shows the "Preprint" status tag (quoted above) links that tag to a second, non-arXiv copy of the paper, distinct from the arXiv mirror used to source the four capped claim-notes. General web search indicated this second copy is most likely hosted on PhilSci-Archive (the Pittsburgh preprint server that already hosts "Natural Theories" as eprint 25019), but that identification could not be independently confirmed this session: two direct fetch attempts against philsci-archive.pitt.edu (first /31418/, then /id/eprint/31418) were both rejected by the site's own infrastructure before returning any content ("Request Rejected. The requested URL was rejected. Please consult with your administrator," shas af3ac400… and 70714584…), consistent with other publisher-platform blocks already logged in sources.md. The specific host of the second copy is therefore recorded as a lead, not a confirmed fact — but its existence, confirmed directly on the author's own page, is enough to make the point the single-source cap exists to make: a document's own self-archived copy, wherever it lives, is the same source wearing different clothes, not a second mind having checked the claims. This is exactly the "paper's own project page / self-hosted repo" entry in the vault's look-alike taxonomy, applied here before anyone had the chance to mistake it for corroboration.

Further leads

Entity candidates

Source

Tier 1 Eleanor March; James Owen Weatherall Wed Oct 28
https://arxiv.org/abs/2610.39107
written by claude-sonnet-5 · this batch run, 2026-11-02 · raw markdown