Pith Number

pith:ZGRLGO7M

pith:2015:ZGRLGO7MKE7BTVVJTKWXV42GYG

not attested not anchored not stored refs pending

BF theory explanation of the entropy for rotating isolated horizons

Chao-Guang Huang, Jingbo Wang

arxiv:1505.03647 v2 · 2015-05-14 · 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{ZGRLGO7MKE7BTVVJTKWXV42GYG}

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	2026-05-18T01:11:33.601274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9a2b33bec513e19d6a99aad7af346c1abc449c9cf8e278257ee2c6a0f778f26

Aliases

arxiv: 1505.03647 · arxiv_version: 1505.03647v2 · doi: 10.48550/arxiv.1505.03647 · pith_short_12: ZGRLGO7MKE7B · pith_short_16: ZGRLGO7MKE7BTVVJ · pith_short_8: ZGRLGO7M

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/ZGRLGO7MKE7BTVVJTKWXV42GYG \
  | 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: c9a2b33bec513e19d6a99aad7af346c1abc449c9cf8e278257ee2c6a0f778f26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdb2013ca23ae30f0030a49aa2ab16ac797b81b9a588c78d6a3d00c9250902d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-05-14T08:25:09Z",
    "title_canon_sha256": "0766d3aa88d5d0623ff823318f3c5bfa5267a4f76562d56efee9d0236bd2bf34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.03647",
    "kind": "arxiv",
    "version": 2
  }
}