Pith Number

pith:LNSMETXN

pith:1993:LNSMETXNHG4C4NEVPIBRQDRGKG

not attested not anchored not stored refs pending

Brill Waves

Niall \'O Murchadha

arxiv:gr-qc/9302023 v1 · 1993-02-19 · 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{LNSMETXNHG4C4NEVPIBRQDRGKG}

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	2026-07-04T14:25:59.222728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b64c24eed39b82e34957a03180e265193c2469d7c85ad4089d039c58ef88515

Aliases

arxiv: gr-qc/9302023 · arxiv_version: gr-qc/9302023v1 · doi: 10.48550/arxiv.gr-qc/9302023 · pith_short_12: LNSMETXNHG4C · pith_short_16: LNSMETXNHG4C4NEV · pith_short_8: LNSMETXN

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/LNSMETXNHG4C4NEVPIBRQDRGKG \
  | 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: 5b64c24eed39b82e34957a03180e265193c2469d7c85ad4089d039c58ef88515

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5af8f346c56cf0e0c536e792144aad82f57029c71d1980d346da0816ff2a91cf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1993-02-19T12:36:00Z",
    "title_canon_sha256": "26b5d66f4c065f5cd1d612b04989e32bbe7575df354984a4fbfb71192f7592e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9302023",
    "kind": "arxiv",
    "version": 1
  }
}