Pith Number

pith:PB3RLMQ7

pith:2013:PB3RLMQ7NXUQFHT6JX4RW233FW

not attested not anchored not stored refs pending

Making simple proofs simpler

Corrado Monti, Francesco Marigo, Ottavio M. D'Antona, Pietro Codara

arxiv:1307.1348 v1 · 2013-07-04 · cs.MS · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PB3RLMQ7NXUQFHT6JX4RW233FW}

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	2026-05-18T03:19:13.994169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

787715b21f6de9029e7e4df91b6b7b2dbdb52dc110d2ee25028377ab97ac48b5

Aliases

arxiv: 1307.1348 · arxiv_version: 1307.1348v1 · doi: 10.48550/arxiv.1307.1348 · pith_short_12: PB3RLMQ7NXUQ · pith_short_16: PB3RLMQ7NXUQFHT6 · pith_short_8: PB3RLMQ7

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/PB3RLMQ7NXUQFHT6JX4RW233FW \
  | 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: 787715b21f6de9029e7e4df91b6b7b2dbdb52dc110d2ee25028377ab97ac48b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b551fd1a621f12c1911810cfa5b965908cf62450c6a9d9d2e0f96d2ac2e1435",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2013-07-04T14:29:01Z",
    "title_canon_sha256": "60ab799783cd1b2863f4521291551af2bea950fb5821be0c5627baff605bda01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1348",
    "kind": "arxiv",
    "version": 1
  }
}