Pith Number

pith:SOR25R3S

pith:1997:SOR25R3STTBSIL3JPL4XT3WBME

not attested not anchored not stored refs pending

Null dust in canonical gravity

J. Bicak (Charles Univ.), K. Kuchar (Univ. Utah)

arxiv:gr-qc/9704053 v1 · 1997-04-18 · 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{SOR25R3STTBSIL3JPL4XT3WBME}

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	2026-05-18T02:37:29.451829Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93a3aec7729cc3242f697af979eec16113638511db9fe4f96c28bd9ed3c1f165

Aliases

arxiv: gr-qc/9704053 · arxiv_version: gr-qc/9704053v1 · doi: 10.48550/arxiv.gr-qc/9704053 · pith_short_12: SOR25R3STTBS · pith_short_16: SOR25R3STTBSIL3J · pith_short_8: SOR25R3S

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/SOR25R3STTBSIL3JPL4XT3WBME \
  | 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: 93a3aec7729cc3242f697af979eec16113638511db9fe4f96c28bd9ed3c1f165

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce9b86693482b0f0433c3ab0058eff8fa56107b338e055a3ceafb0145c60e9ad",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1997-04-18T20:28:13Z",
    "title_canon_sha256": "5ea0aa3ca777534563a42a9ddb8f3ff57a6bd00bac05240932b0d758573e8cbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9704053",
    "kind": "arxiv",
    "version": 1
  }
}