Pith Number

pith:2ADLH2XL

pith:2026:2ADLH2XLJ6T66HVLMQ4CFOXGPM

not attested not anchored not stored refs pending

Putnam 2025 Problems in Rocq using Opus 4.6 and Rocq-MCP

Guillaume Baudart, Jules Viennot, Marc Lelarge, Tristan St\'erin

arxiv:2603.20405 v2 · 2026-03-20 · cs.LG · cs.CL · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2ADLH2XLJ6T66HVLMQ4CFOXGPM}

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	2026-05-22T01:04:00.633013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d006b3eaeb4fa7ef1eab643822bae67b211afce583c3c0d27daec41e80ac05a2

Aliases

arxiv: 2603.20405 · arxiv_version: 2603.20405v2 · doi: 10.48550/arxiv.2603.20405 · pith_short_12: 2ADLH2XLJ6T6 · pith_short_16: 2ADLH2XLJ6T66HVL · pith_short_8: 2ADLH2XL

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/2ADLH2XLJ6T66HVLMQ4CFOXGPM \
  | 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: d006b3eaeb4fa7ef1eab643822bae67b211afce583c3c0d27daec41e80ac05a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81634fcabeebd893ac50eb416268411dbafc52e2813f7e0674f608a52e0a63cb",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-03-20T18:25:42Z",
    "title_canon_sha256": "6773f7f0259142728af8d57deb328f1a955b6e28fa25f253eb51ae043477d1dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.20405",
    "kind": "arxiv",
    "version": 2
  }
}