Pith Number

pith:Z5CG7KAY

pith:2026:Z5CG7KAYRIR6FBOW7WLA4G7TKT

not attested not anchored not stored refs pending

Formalizing Mathematics at Scale

Ahmad Rammal, Amaury Hayat, Charles Arnal, Fabian Gloeckle, Julia Kempe, Niket Patel, Remi Munos, Vivien Cabannes

arxiv:2605.29955 v1 · 2026-05-28 · 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{Z5CG7KAYRIR6FBOW7WLA4G7TKT}

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	2026-05-29T02:06:03.643236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf446fa8188a23e285d6fd960e1bf354fe9b24c3cd7bf4520226fbe2909d2d59

Aliases

arxiv: 2605.29955 · arxiv_version: 2605.29955v1 · doi: 10.48550/arxiv.2605.29955 · pith_short_12: Z5CG7KAYRIR6 · pith_short_16: Z5CG7KAYRIR6FBOW · pith_short_8: Z5CG7KAY

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/Z5CG7KAYRIR6FBOW7WLA4G7TKT \
  | 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: cf446fa8188a23e285d6fd960e1bf354fe9b24c3cd7bf4520226fbe2909d2d59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04c4f520f26e3abd6c6d0c9f946e9dc4c71638846c688507f1638e1d7894963e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-05-28T14:00:22Z",
    "title_canon_sha256": "9832a2d78553d2009f010b8918a83617aeb4e97901551c1481c8a17a9ec9c9a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.29955",
    "kind": "arxiv",
    "version": 1
  }
}