Pith Number

pith:L2ZGIMPG

pith:2016:L2ZGIMPGEAGP6NT5BZPL353XVR

not attested not anchored not stored refs pending

The quantization of a black hole

Claus Gerhardt

arxiv:1608.08209 v2 · 2016-08-29 · gr-qc · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L2ZGIMPGEAGP6NT5BZPL353XVR}

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

1 paper in Pith

Applications of canonical quantum gravity to cosmology

Receipt and verification

First computed	2026-05-18T01:04:08.725633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5eb26431e6200cff367d0e5ebdf777ac4ff514155a374cd9e66643b71fadbcb2

Aliases

arxiv: 1608.08209 · arxiv_version: 1608.08209v2 · doi: 10.48550/arxiv.1608.08209 · pith_short_12: L2ZGIMPGEAGP · pith_short_16: L2ZGIMPGEAGP6NT5 · pith_short_8: L2ZGIMPG

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/L2ZGIMPGEAGP6NT5BZPL353XVR \
  | 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: 5eb26431e6200cff367d0e5ebdf777ac4ff514155a374cd9e66643b71fadbcb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc118142042207a5bf73a778e24423ceb7540a38a6de156ec46e163aced8813f",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-08-29T14:20:45Z",
    "title_canon_sha256": "bbc1a3c6af5c90665abb797e76e1710bc4773237c23a1f1d4d6a795f56220581"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.08209",
    "kind": "arxiv",
    "version": 2
  }
}