Pith Number

pith:7BOQVLZP

pith:2013:7BOQVLZP7QOIF72GYNGWQMV242

not attested not anchored not stored refs pending

Automorphic Black Hole Entropy

Rolf Schimmrigk

arxiv:1312.7168 v1 · 2013-12-27 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7BOQVLZP7QOIF72GYNGWQMV242}

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	2026-05-18T01:45:35.745702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f85d0aaf2ffc1c82ff46c34d6832bae6b72e0bfa4759b9f7bae2603d2e855967

Aliases

arxiv: 1312.7168 · arxiv_version: 1312.7168v1 · doi: 10.48550/arxiv.1312.7168 · pith_short_12: 7BOQVLZP7QOI · pith_short_16: 7BOQVLZP7QOIF72G · pith_short_8: 7BOQVLZP

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/7BOQVLZP7QOIF72GYNGWQMV242 \
  | 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: f85d0aaf2ffc1c82ff46c34d6832bae6b72e0bfa4759b9f7bae2603d2e855967

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2de14cfba7b0fd5ce2e35040575ebe203529e1ef1fcd61dc4610d1c4407b24c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-12-27T01:18:39Z",
    "title_canon_sha256": "3a2652387d01a8ada5de740ebce695c9389e8c4f5de6acb502d733158dd29564"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.7168",
    "kind": "arxiv",
    "version": 1
  }
}