Pith Number

pith:5YIAGEP4

pith:2009:5YIAGEP4WQP6F5IM7CBJ5WF2HQ

not attested not anchored not stored refs pending

Near-Horizon Geometry and the Entropy of a Minimally Coupled Scalar Field in the Schwarzschild Black Hole

Kaushik Ghosh

arxiv:0902.1601 v8 · 2009-02-10 · 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{5YIAGEP4WQP6F5IM7CBJ5WF2HQ}

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	2026-05-18T01:19:34.796811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee100311fcb41fe2f50cf8829ed8ba3c03dd0891cc1ec06de6dbebe93e2af8e8

Aliases

arxiv: 0902.1601 · arxiv_version: 0902.1601v8 · doi: 10.48550/arxiv.0902.1601 · pith_short_12: 5YIAGEP4WQP6 · pith_short_16: 5YIAGEP4WQP6F5IM · pith_short_8: 5YIAGEP4

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/5YIAGEP4WQP6F5IM7CBJ5WF2HQ \
  | 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: ee100311fcb41fe2f50cf8829ed8ba3c03dd0891cc1ec06de6dbebe93e2af8e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e7cb69061e2a79eab939449613f0e0362aad2f210ee129f2d77f22d309c4bee",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-02-10T08:27:58Z",
    "title_canon_sha256": "bdb254424f533ea8c7db97c23e137a43b7962b3deefd975dfe18f4913cca0c1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.1601",
    "kind": "arxiv",
    "version": 8
  }
}