Pith Number

pith:E4BP6GIZ

pith:1999:E4BP6GIZF5GLGCLNJ42HP7PNLF

not attested not anchored not stored refs pending

Reply Comment on "Entropy of 2D black holes from counting microstates"

Mariano Cadoni, Salvatore Mignemi

arxiv:hep-th/9910225 v1 · 1999-10-28 · 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{E4BP6GIZF5GLGCLNJ42HP7PNLF}

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	2026-07-04T16:15:00.805879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2702ff19192f4cb3096d4f3477fded595cb5ff7eddb96c39d90f721ac5fa0994

Aliases

arxiv: hep-th/9910225 · arxiv_version: hep-th/9910225v1 · doi: 10.48550/arxiv.hep-th/9910225 · pith_short_12: E4BP6GIZF5GL · pith_short_16: E4BP6GIZF5GLGCLN · pith_short_8: E4BP6GIZ

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/E4BP6GIZF5GLGCLNJ42HP7PNLF \
  | 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: 2702ff19192f4cb3096d4f3477fded595cb5ff7eddb96c39d90f721ac5fa0994

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d215b20c75fa371c76634e9e99f3d03c6b10944e2a1391ff383b825324221976",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1999-10-28T10:36:12Z",
    "title_canon_sha256": "3c9abbc1c8f491eaa66e5020f4294a3ae94c03f70b36627edcee5820dbf3b802"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9910225",
    "kind": "arxiv",
    "version": 1
  }
}