Pith Number

pith:GKWJV4UT

pith:1993:GKWJV4UTONIGE2573CI53VLC4D

not attested not anchored not stored refs pending

Evaporating Black Holes and Entropy

Esko Keski-Vakkuri, Samir D. Mathur

arxiv:hep-th/9312194 v4 · 1993-12-27 · 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{GKWJV4UTONIGE2573CI53VLC4D}

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	2026-05-18T04:37:42.845855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32ac9af2937350626bbfd891ddd562e0c4352fcccac4334c403fa5e75b87e655

Aliases

arxiv: hep-th/9312194 · arxiv_version: hep-th/9312194v4 · doi: 10.48550/arxiv.hep-th/9312194 · pith_short_12: GKWJV4UTONIG · pith_short_16: GKWJV4UTONIGE257 · pith_short_8: GKWJV4UT

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/GKWJV4UTONIGE2573CI53VLC4D \
  | 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: 32ac9af2937350626bbfd891ddd562e0c4352fcccac4334c403fa5e75b87e655

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a219ace1969c9eb220782ceb5ba5f2e1ea07f3e0f40164bf172700f1b6e5436c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1993-12-27T01:50:12Z",
    "title_canon_sha256": "aba32be1914134b8e709185cf31437cf2414074a5c6ffce1e44c3d5cdf616af2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9312194",
    "kind": "arxiv",
    "version": 4
  }
}