Pith Number

pith:4EQO423H

pith:1998:4EQO423HYTGMAWBVC3TCFFHJ5N

not attested not anchored not stored refs pending

General relativity on a null surface: Hamiltonian formulation in the teleparallel geometry

J. F. da Rocha Neto, J. W. Maluf

arxiv:gr-qc/9808001 v1 · 1998-08-02 · 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{4EQO423HYTGMAWBVC3TCFFHJ5N}

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	2026-05-18T01:39:18.446461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e120ee6b67c4ccc0583516e62294e9eb681962261c171cd76c2f2c27917fc7be

Aliases

arxiv: gr-qc/9808001 · arxiv_version: gr-qc/9808001v1 · doi: 10.48550/arxiv.gr-qc/9808001 · pith_short_12: 4EQO423HYTGM · pith_short_16: 4EQO423HYTGMAWBV · pith_short_8: 4EQO423H

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/4EQO423HYTGMAWBVC3TCFFHJ5N \
  | 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: e120ee6b67c4ccc0583516e62294e9eb681962261c171cd76c2f2c27917fc7be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b016d0fc3f0d7b1d12928ca44c72d8954c494e0a33135a345bdc79a35b9aecc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1998-08-02T18:49:57Z",
    "title_canon_sha256": "2c90668cbe361833d1978ae53ed9da617bfee3742927f110586cc645cc25412e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9808001",
    "kind": "arxiv",
    "version": 1
  }
}