Pith Number

pith:3PQRCAHW

pith:2026:3PQRCAHWBS2F2Z7JAKSVEZSBR7

not attested not anchored not stored refs pending

Confidently Wrong: Exception Chain Collapse in Frontier LLM Rule Evaluation

John Kozak, Lisa Doake, Paul Simpson

arxiv:2607.23386 v1 · 2026-07-25 · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3PQRCAHWBS2F2Z7JAKSVEZSBR7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-28T01:22:50.154039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbe11100f60cb45d67e902a55266418fce19788fe0bfff86f21d6099eb33706f

Aliases

arxiv: 2607.23386 · arxiv_version: 2607.23386v1 · doi: 10.48550/arxiv.2607.23386 · pith_short_12: 3PQRCAHWBS2F · pith_short_16: 3PQRCAHWBS2F2Z7J · pith_short_8: 3PQRCAHW

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/3PQRCAHWBS2F2Z7JAKSVEZSBR7 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: dbe11100f60cb45d67e902a55266418fce19788fe0bfff86f21d6099eb33706f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "499165a699cba55a4945c624a5582396756d4085f4f722d05187996f99a31916",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-25T22:40:02Z",
    "title_canon_sha256": "449460d96a7751fa3c1b3c5b077418ee25ccb6a2cd5b52d8e51035dd7ac529aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.23386",
    "kind": "arxiv",
    "version": 1
  }
}