Pith Number

pith:OTFUFWGN

pith:2010:OTFUFWGNP2FBG22AE32SMONQY5

not attested not anchored not stored refs pending

Quantization of Black Holes

Bo-Qiang Ma, Xiao-Gang He

arxiv:1003.2510 v3 · 2010-03-12 · hep-th · astro-ph.CO · gr-qc · hep-ph · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OTFUFWGNP2FBG22AE32SMONQY5}

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	2026-05-18T04:12:00.810093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74cb42d8cd7e8a136b4026f52639b0c7487ec74e0f4f8e5344492e4a2cca0917

Aliases

arxiv: 1003.2510 · arxiv_version: 1003.2510v3 · doi: 10.48550/arxiv.1003.2510 · pith_short_12: OTFUFWGNP2FB · pith_short_16: OTFUFWGNP2FBG22A · pith_short_8: OTFUFWGN

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/OTFUFWGNP2FBG22AE32SMONQY5 \
  | 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: 74cb42d8cd7e8a136b4026f52639b0c7487ec74e0f4f8e5344492e4a2cca0917

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f59661514e2c844ac38f42e184b1894ac8afee089e349bafd2de15f0ff31b29e",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc",
      "hep-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2010-03-12T10:20:23Z",
    "title_canon_sha256": "63d7011896af898199847911b7765f0a19d222bdd1d866de8d1cdd09a04459b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.2510",
    "kind": "arxiv",
    "version": 3
  }
}