Pith Number

pith:ZSPGY3HC

pith:1994:ZSPGY3HCZ6AQA6KUKHCPZIBQVZ

not attested not anchored not stored refs pending

Aspects of the Thermo-Dynamics of a Black Hole with a Topological Defect

Bj{\o}rn Jensen

arxiv:gr-qc/9404058 v2 · 1994-04-28 · 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{ZSPGY3HCZ6AQA6KUKHCPZIBQVZ}

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	2026-05-18T04:37:57.189502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc9e6c6ce2cf8100795451c4fca030ae51d1fc0516d316736522381f276bbb0c

Aliases

arxiv: gr-qc/9404058 · arxiv_version: gr-qc/9404058v2 · doi: 10.48550/arxiv.gr-qc/9404058 · pith_short_12: ZSPGY3HCZ6AQ · pith_short_16: ZSPGY3HCZ6AQA6KU · pith_short_8: ZSPGY3HC

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/ZSPGY3HCZ6AQA6KUKHCPZIBQVZ \
  | 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: cc9e6c6ce2cf8100795451c4fca030ae51d1fc0516d316736522381f276bbb0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5cee3a901d59312d996f4611b6ffed678b692f1cbe6e3d4e4ebc0569b2583f9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1994-04-28T16:14:38Z",
    "title_canon_sha256": "0cde1295beb5a86f24df9e2758b34d2bcf79506b1370bea98b6ea438adc85b28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9404058",
    "kind": "arxiv",
    "version": 2
  }
}