Pith Number

pith:PI4B4V4Z

pith:1999:PI4B4V4ZXRT2GG3XA6NNNEGXMK

not attested not anchored not stored refs pending

Notes on black holes and three dimensional gravity

Maximo Banados

arxiv:hep-th/9903244 v1 · 1999-03-28 · 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{PI4B4V4ZXRT2GG3XA6NNNEGXMK}

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	2026-05-18T04:33:36.844093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a381e5799bc67a31b77079ad690d762b68555322b35e8d17342a88cda2971d7

Aliases

arxiv: hep-th/9903244 · arxiv_version: hep-th/9903244v1 · doi: 10.48550/arxiv.hep-th/9903244 · pith_short_12: PI4B4V4ZXRT2 · pith_short_16: PI4B4V4ZXRT2GG3X · pith_short_8: PI4B4V4Z

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/PI4B4V4ZXRT2GG3XA6NNNEGXMK \
  | 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: 7a381e5799bc67a31b77079ad690d762b68555322b35e8d17342a88cda2971d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2574e08b3840e8e473804c7b80bd6056b7bd2a20dd573083be0c6f4839c59247",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1999-03-28T18:20:13Z",
    "title_canon_sha256": "a42d477e9d26bffbcef48975941844ca54dae5b6a6fd9f80235e46f84d28d8f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9903244",
    "kind": "arxiv",
    "version": 1
  }
}