Pith Number

pith:ZADNYVJS

pith:1994:ZADNYVJSKVD5OUKD26PI4KSKM6

not attested not anchored not stored refs pending

Entropy of random coverings and 4D quantum gravity

A. Marzuoli, C. Bartocci, M. Carfora, U. Bruzzo

arxiv:hep-th/9412097 v1 · 1994-12-12 · hep-th · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZADNYVJSKVD5OUKD26PI4KSKM6}

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	2026-05-18T01:38:41.025208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c806dc55325547d75143d79e8e2a4a67a0775e886e4a401d83868360aa50938d

Aliases

arxiv: hep-th/9412097 · arxiv_version: hep-th/9412097v1 · doi: 10.48550/arxiv.hep-th/9412097 · pith_short_12: ZADNYVJSKVD5 · pith_short_16: ZADNYVJSKVD5OUKD · pith_short_8: ZADNYVJS

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/ZADNYVJSKVD5OUKD26PI4KSKM6 \
  | 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: c806dc55325547d75143d79e8e2a4a67a0775e886e4a401d83868360aa50938d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a2cd3e6acbbb83903aae062fdd808162434de4e42f7b03929dc98314d4020c7",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1994-12-12T10:44:17Z",
    "title_canon_sha256": "ca42efc4d9d3c32cadea2093b3477916c9a669f15f698a610e0b1e6a0c5015e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9412097",
    "kind": "arxiv",
    "version": 1
  }
}