Pith Number

pith:5TN5HCR2

pith:2009:5TN5HCR2JUXXBZPRONH33OWAQI

not attested not anchored not stored refs pending

A Comment on Kerr-CFT and Wald Entropy

Chethan Krishnan, Stanislav Kuperstein

arxiv:0903.2169 v3 · 2009-03-12 · 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{5TN5HCR2JUXXBZPRONH33OWAQI}

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	2026-05-18T02:14:28.834661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecdbd38a3a4d2f70e5f1734fbdbac08208e608df4559cc76ed8f16988d7393b5

Aliases

arxiv: 0903.2169 · arxiv_version: 0903.2169v3 · doi: 10.48550/arxiv.0903.2169 · pith_short_12: 5TN5HCR2JUXX · pith_short_16: 5TN5HCR2JUXXBZPR · pith_short_8: 5TN5HCR2

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/5TN5HCR2JUXXBZPRONH33OWAQI \
  | 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: ecdbd38a3a4d2f70e5f1734fbdbac08208e608df4559cc76ed8f16988d7393b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31b4965c4f0264b484639c0b91b9d0958cea176098057292d84ea32289d11f46",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-03-12T16:21:54Z",
    "title_canon_sha256": "17f0d90175c7a0b5e7f96b4de79e6a668395e93939b4c1451d18b2f93b262e5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.2169",
    "kind": "arxiv",
    "version": 3
  }
}