Pith Number

pith:7ICNNX46

pith:1998:7ICNNX46WDYYGITZZYH2KRHNPY

not attested not anchored not stored refs pending

Thermal Hair of Quantum Black Hole

M. Hotta, M. Morikawa, T. Futamase, Y. Itoh

arxiv:gr-qc/9804020 v1 · 1998-04-07 · 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{7ICNNX46WDYYGITZZYH2KRHNPY}

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	2026-05-18T02:37:28.234190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa04d6df9eb0f1832279ce0fa544ed7e1de3ffc477a5e6bbd77b060fc2144c41

Aliases

arxiv: gr-qc/9804020 · arxiv_version: gr-qc/9804020v1 · doi: 10.48550/arxiv.gr-qc/9804020 · pith_short_12: 7ICNNX46WDYY · pith_short_16: 7ICNNX46WDYYGITZ · pith_short_8: 7ICNNX46

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/7ICNNX46WDYYGITZZYH2KRHNPY \
  | 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: fa04d6df9eb0f1832279ce0fa544ed7e1de3ffc477a5e6bbd77b060fc2144c41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bb168975d66c133e914a8e8b7d7f256e1863fbc2875e4c9870691508d0b885f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1998-04-07T05:02:50Z",
    "title_canon_sha256": "e79a7d84f4a473600ff2fe3ebd4204344003d93bacb5d3ced8d9c352cc65b135"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9804020",
    "kind": "arxiv",
    "version": 1
  }
}