Pith Number

pith:HHO2RUYV

pith:2011:HHO2RUYVQVAGT7JB7QPEOV7YVP

not attested not anchored not stored refs pending

Black hole entropy and isolated horizons thermodynamics

Alejandro Perez, Amit Ghosh

arxiv:1107.1320 v3 · 2011-07-07 · gr-qc · 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{HHO2RUYVQVAGT7JB7QPEOV7YVP}

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.

Cited by

2 papers in Pith

Hawking radiation from black holes in 2+1 dimensions

Receipt and verification

First computed	2026-05-18T02:01:22.043063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39dda8d315854069fd21fc1e4757f8abd2eebe6d2fffd55d560fbfcc80018aa9

Aliases

arxiv: 1107.1320 · arxiv_version: 1107.1320v3 · doi: 10.48550/arxiv.1107.1320 · pith_short_12: HHO2RUYVQVAG · pith_short_16: HHO2RUYVQVAGT7JB · pith_short_8: HHO2RUYV

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/HHO2RUYVQVAGT7JB7QPEOV7YVP \
  | 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: 39dda8d315854069fd21fc1e4757f8abd2eebe6d2fffd55d560fbfcc80018aa9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d6d95d912848deeaaaef332b5f92e47e626a9a357ff8fc523c679ea78c734d8",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-07-07T09:07:17Z",
    "title_canon_sha256": "d264c0e7774c4f138f4f3216d4094e4434f93861628b027e7c1585b62c5922e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1320",
    "kind": "arxiv",
    "version": 3
  }
}