Pith Number

pith:2O4BFTY3

pith:2004:2O4BFTY3WBCCOGN5U5HPXXAT4D

not attested not anchored not stored refs pending

Entropy and Mass Bounds of Kerr-de Sitter Spacetimes

A.M. Ghezelbash, R.B. Mann

arxiv:hep-th/0412300 v2 · 2004-12-26 · hep-th · 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{2O4BFTY3WBCCOGN5U5HPXXAT4D}

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	2026-05-18T01:38:45.913825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3b812cf1bb0442719bda74efbdc13e0ce6cb42d9c7e9b7780376008275f751f

Aliases

arxiv: hep-th/0412300 · arxiv_version: hep-th/0412300v2 · doi: 10.48550/arxiv.hep-th/0412300 · pith_short_12: 2O4BFTY3WBCC · pith_short_16: 2O4BFTY3WBCCOGN5 · pith_short_8: 2O4BFTY3

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/2O4BFTY3WBCCOGN5U5HPXXAT4D \
  | 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: d3b812cf1bb0442719bda74efbdc13e0ce6cb42d9c7e9b7780376008275f751f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f971b43fdbffcdaf3ea79c189c6a55106fd1da7be9519b4a4501dc24cc90ad1a",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2004-12-26T20:51:28Z",
    "title_canon_sha256": "523145f3aebc4b900560ef865feea83603e9e4819bc60425afab4f20ed456df8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0412300",
    "kind": "arxiv",
    "version": 2
  }
}