Pith Number

pith:KGLULZTZ

pith:1994:KGLULZTZVDSNVR7MYIWZYAXDZ4

not attested not anchored not stored refs pending

Wavefunction of a Black Hole and the Dynamical Origin of Entropy

A.I.Zelnikov, A.O.Barvinsky, V.P.Frolov

arxiv:gr-qc/9404036 v2 · 1994-04-19 · 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{KGLULZTZVDSNVR7MYIWZYAXDZ4}

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	2026-05-18T04:24:06.580128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

519745e679a8e4dac7ecc22d9c02e3cf05bdf50f28416ce91ce56b4c7563d434

Aliases

arxiv: gr-qc/9404036 · arxiv_version: gr-qc/9404036v2 · doi: 10.48550/arxiv.gr-qc/9404036 · pith_short_12: KGLULZTZVDSN · pith_short_16: KGLULZTZVDSNVR7M · pith_short_8: KGLULZTZ

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/KGLULZTZVDSNVR7MYIWZYAXDZ4 \
  | 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: 519745e679a8e4dac7ecc22d9c02e3cf05bdf50f28416ce91ce56b4c7563d434

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b97daae22657c707b6ca481a4b05ac22b3d698b17b5af597e18d8ef4b4f14ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "1994-04-19T02:34:05Z",
    "title_canon_sha256": "3a66286baed080648ecc0f3019e45860066d78a2c383313d44fe3cb152bb47e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9404036",
    "kind": "arxiv",
    "version": 2
  }
}