Pith Number

pith:QFQCD7XZ

pith:2001:QFQCD7XZEXGNQCSFBWOLW337WU

not attested not anchored not stored refs pending

Geometry of Generic Isolated Horizons

Abhay Ashtekar (Penn State), Christopher Beetle (University of Utah), Jerzy Lewandowski (Uniwersytet Warszawski)

arxiv:gr-qc/0111067 v2 · 2001-11-21 · 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{QFQCD7XZEXGNQCSFBWOLW337WU}

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

3 papers in Pith

Entanglement Entropy and Thermodynamics of Dynamical Black Holes

Horizon Multipole Moments of a Kerr Black Hole

Thermodynamics of dynamical black holes beyond perturbation theory

Receipt and verification

First computed	2026-05-18T04:17:53.078337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

816021fef925ccd80a450d9cbb6f7fb515563cc3f969457f8b87701fa08ba448

Aliases

arxiv: gr-qc/0111067 · arxiv_version: gr-qc/0111067v2 · doi: 10.48550/arxiv.gr-qc/0111067 · pith_short_12: QFQCD7XZEXGN · pith_short_16: QFQCD7XZEXGNQCSF · pith_short_8: QFQCD7XZ

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/QFQCD7XZEXGNQCSFBWOLW337WU \
  | 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: 816021fef925ccd80a450d9cbb6f7fb515563cc3f969457f8b87701fa08ba448

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0352a43e24720de32a86a22d2a7bd8b299437b1156f656f5833a1f9956e2602",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-11-21T01:05:24Z",
    "title_canon_sha256": "a2d9be73402055588a823c570a9bc8b61eb69b247f6f90478cdeeff316273d18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0111067",
    "kind": "arxiv",
    "version": 2
  }
}