Pith Number

pith:NPZNDXMY

pith:1998:NPZNDXMY5YRXB7JLO4YZ6FOO24

not attested not anchored not stored refs pending

Entropy of 2D black holes from counting microstates

Mariano Cadoni, Salvatore Mignemi

arxiv:hep-th/9810251 v2 · 1998-10-30 · 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{NPZNDXMY5YRXB7JLO4YZ6FOO24}

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

2 papers in Pith

Microscopic entropy of de Sitter spacetime and entropic solution to the old cosmological constant problem

Receipt and verification

First computed	2026-07-04T17:18:29.276107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bf2d1dd98ee2370fd2b77319f15ced7242650483ef2339405b3c71b8c409cfb

Aliases

arxiv: hep-th/9810251 · arxiv_version: hep-th/9810251v2 · doi: 10.48550/arxiv.hep-th/9810251 · pith_short_12: NPZNDXMY5YRX · pith_short_16: NPZNDXMY5YRXB7JL · pith_short_8: NPZNDXMY

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/NPZNDXMY5YRXB7JLO4YZ6FOO24 \
  | 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: 6bf2d1dd98ee2370fd2b77319f15ced7242650483ef2339405b3c71b8c409cfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c0ef0a8deafc9e04665a077219eb6769b1c2457fc53e9500ab6d8758aaf088f",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1998-10-30T15:57:21Z",
    "title_canon_sha256": "0f2a9a8267cba56e86b0a6315a4efa3185a2a23ceeddf1d605569fdf1a2eba26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9810251",
    "kind": "arxiv",
    "version": 2
  }
}