Pith Number

pith:QBHPIUQD

pith:2011:QBHPIUQDJ4KQB44WIEGCHBJETU

not attested not anchored not stored refs pending

Natural games

Arto Annila, Jani Anttila

arxiv:1103.1656 v1 · 2011-03-05 · physics.gen-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QBHPIUQDJ4KQB44WIEGCHBJETU}

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	2026-05-18T04:10:12.354323Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

804ef452034f1500f396410c2385249d3f71014849c1236de466e29d07b94c4f

Aliases

arxiv: 1103.1656 · arxiv_version: 1103.1656v1 · doi: 10.48550/arxiv.1103.1656 · pith_short_12: QBHPIUQDJ4KQ · pith_short_16: QBHPIUQDJ4KQB44W · pith_short_8: QBHPIUQD

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/QBHPIUQDJ4KQB44WIEGCHBJETU \
  | 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: 804ef452034f1500f396410c2385249d3f71014849c1236de466e29d07b94c4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53752c3980c7b76d16e8d11e05e5149628d86c7df2176618347973deb505a794",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2011-03-05T11:55:09Z",
    "title_canon_sha256": "af395a7674598a8e51eedb292c94c778d4e7ee2ba829387c6225ae2d4a986297"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.1656",
    "kind": "arxiv",
    "version": 1
  }
}