Pith Number

pith:XGSNMOCA

pith:2013:XGSNMOCANBD6OX25EPS6RMCQZ2

not attested not anchored not stored refs pending

Entropy from near-horizon geometries of Killing horizons

Amit Ghosh, Avirup Ghosh, Olaf Dreyer

arxiv:1306.5063 v1 · 2013-06-21 · 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{XGSNMOCANBD6OX25EPS6RMCQZ2}

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	2026-05-18T03:00:26.187588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9a4d638406847e75f5d23e5e8b050ce8ed70e9c66b864373611b095ca22bfef

Aliases

arxiv: 1306.5063 · arxiv_version: 1306.5063v1 · doi: 10.48550/arxiv.1306.5063 · pith_short_12: XGSNMOCANBD6 · pith_short_16: XGSNMOCANBD6OX25 · pith_short_8: XGSNMOCA

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/XGSNMOCANBD6OX25EPS6RMCQZ2 \
  | 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: b9a4d638406847e75f5d23e5e8b050ce8ed70e9c66b864373611b095ca22bfef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02fff0b63692fe891a1267e1b1f6b2e149d06bfd354e82b05fd5938a29f55741",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-06-21T07:09:44Z",
    "title_canon_sha256": "0d480d554b704b4a8245690daa90fcf94695fa2d2ea7e2b3a40877c6788d5c91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5063",
    "kind": "arxiv",
    "version": 1
  }
}