Pith Number

pith:4JJVC6D5

pith:1994:4JJVC6D5PDSNCNHF3DFLMNC2OB

not attested not anchored not stored refs pending

Hamiltonian Formalism for Black Holes and Quantization

Alexandre T. Filippov, Marco Cavaglia`, Vittorio de Alfaro

arxiv:gr-qc/9411070 v2 · 1994-11-29 · gr-qc · 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{4JJVC6D5PDSNCNHF3DFLMNC2OB}

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	2026-07-04T15:56:56.379721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e25351787d78e4d134e5d8cab6345a704752a36f6497fcd07b1eeda4633864d6

Aliases

arxiv: gr-qc/9411070 · arxiv_version: gr-qc/9411070v2 · doi: 10.48550/arxiv.gr-qc/9411070 · pith_short_12: 4JJVC6D5PDSN · pith_short_16: 4JJVC6D5PDSNCNHF · pith_short_8: 4JJVC6D5

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/4JJVC6D5PDSNCNHF3DFLMNC2OB \
  | 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: e25351787d78e4d134e5d8cab6345a704752a36f6497fcd07b1eeda4633864d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2861b1d2a61064c7bb3460ed3fc54793f7869c297dd95ab21d9356e48003f1f4",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1994-11-29T17:18:38Z",
    "title_canon_sha256": "e79473ca6fe9c47761b5c861e157cfb5db90b659c9aa86848692abf3552c1c7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9411070",
    "kind": "arxiv",
    "version": 2
  }
}