Pith Number

pith:63TZHC7K

pith:2025:63TZHC7KG3WRVWE2OC7L53IXYA

not attested not anchored not stored refs pending

A Graphical Interface for Category Theory Proofs in Coq

Luc Chabassier (ENS Paris-Saclay)

arxiv:2505.13473 v1 · 2025-05-09 · cs.LO · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{63TZHC7KG3WRVWE2OC7L53IXYA}

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	2026-07-05T11:05:46.246934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6e7938bea36ed1ad89a70bebeed17c035b0ecdd710989c86a4b71a8dadb079e

Aliases

arxiv: 2505.13473 · arxiv_version: 2505.13473v1 · doi: 10.48550/arxiv.2505.13473 · pith_short_12: 63TZHC7KG3WR · pith_short_16: 63TZHC7KG3WRVWE2 · pith_short_8: 63TZHC7K

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/63TZHC7KG3WRVWE2OC7L53IXYA \
  | 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: f6e7938bea36ed1ad89a70bebeed17c035b0ecdd710989c86a4b71a8dadb079e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "804dd26760ece71b3f24ab21ae54ef2c2fad17369967128fde1232a2f2e1a290",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2025-05-09T12:17:29Z",
    "title_canon_sha256": "fc727c3c976ee62b795cec973c2815391bad86f187cecd50f27798ad58833b27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.13473",
    "kind": "arxiv",
    "version": 1
  }
}