Pith Number

pith:Y2IMW5AG

pith:1996:Y2IMW5AGPWLJW3XEDO5E5PFZ7R

not attested not anchored not stored refs pending

Entropy of 4D Extremal Black Holes

Clifford V. Johnson, Ramzi R. Khuri, Robert C. Myers

arxiv:hep-th/9603061 v2 · 1996-03-11 · 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{Y2IMW5AGPWLJW3XEDO5E5PFZ7R}

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.

Cited by

1 paper in Pith

A classical model for semiclassical state-counting

Receipt and verification

First computed	2026-07-04T15:45:47.013152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c690cb74067d969b6ee41bba4ebcb9fc4463f92544f209bf72ad7fb231a5f8b4

Aliases

arxiv: hep-th/9603061 · arxiv_version: hep-th/9603061v2 · doi: 10.48550/arxiv.hep-th/9603061 · pith_short_12: Y2IMW5AGPWLJ · pith_short_16: Y2IMW5AGPWLJW3XE · pith_short_8: Y2IMW5AG

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/Y2IMW5AGPWLJW3XEDO5E5PFZ7R \
  | 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: c690cb74067d969b6ee41bba4ebcb9fc4463f92544f209bf72ad7fb231a5f8b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b289d2ba81cf1eaf1e728c8395e221c5ff18cef28cbbcd8db689a539e4f5d1b",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1996-03-11T06:08:35Z",
    "title_canon_sha256": "a6075e431cc0b33cb53983a8944d508b24b64e6c1a4a31d58f4fc7296829d298"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9603061",
    "kind": "arxiv",
    "version": 2
  }
}