Pith Number

pith:M5K5Y4RH

pith:2013:M5K5Y4RH2SJ4S4MQNLCR4S5HTC

not attested not anchored not stored refs pending

BTZ black holes inspired by noncommutative geometry

B. C. Bhui, Farook Rahaman, Masiur Rahaman, P. K. F. Kuhfittig, Saibal Ray, U. F. Mondal

arxiv:1301.4217 v3 · 2013-01-17 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M5K5Y4RH2SJ4S4MQNLCR4S5HTC}

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	2026-05-18T01:52:06.105874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6755dc7227d493c971906ac51e4ba798a4a3bdff9804d4aeaa572a6087f97ca3

Aliases

arxiv: 1301.4217 · arxiv_version: 1301.4217v3 · doi: 10.48550/arxiv.1301.4217 · pith_short_12: M5K5Y4RH2SJ4 · pith_short_16: M5K5Y4RH2SJ4S4MQ · pith_short_8: M5K5Y4RH

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/M5K5Y4RH2SJ4S4MQNLCR4S5HTC \
  | 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: 6755dc7227d493c971906ac51e4ba798a4a3bdff9804d4aeaa572a6087f97ca3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f57d64dce3df79aebc4df7bc7b3b10d1b9f6f637b716b5b97e5cdbacd8bfc2e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-01-17T12:40:07Z",
    "title_canon_sha256": "7a30d0887287d78ac19751a905f44f9a7c4cd7bac910644617dff851ac3ef60c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4217",
    "kind": "arxiv",
    "version": 3
  }
}