Pith Number

pith:5HXMN6QJ

pith:2025:5HXMN6QJPJN3TF62VKHGKE2P5C

not attested not anchored not stored refs pending

Coupling Light Waves to Gravitational Waves

Martin W. McCall, Stefanos Fr. Koufidis

arxiv:2502.12166 v3 · 2025-02-12 · physics.gen-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5HXMN6QJPJN3TF62VKHGKE2P5C}

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	2026-07-05T11:06:28.365424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9eec6fa097a5bb997daaa8e65134fe8aedc6ad358ce4e39f4f9d28b0e7d4661

Aliases

arxiv: 2502.12166 · arxiv_version: 2502.12166v3 · doi: 10.48550/arxiv.2502.12166 · pith_short_12: 5HXMN6QJPJN3 · pith_short_16: 5HXMN6QJPJN3TF62 · pith_short_8: 5HXMN6QJ

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/5HXMN6QJPJN3TF62VKHGKE2P5C \
  | 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: e9eec6fa097a5bb997daaa8e65134fe8aedc6ad358ce4e39f4f9d28b0e7d4661

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ce13c03b369bbdd4312575e039b8a8d1c7205c519a776bb97b7f81ff37317a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2025-02-12T13:48:17Z",
    "title_canon_sha256": "d27faa9279dda762a4c10565f7dcda4bc7f7c1aea0df1664182f06c603787d76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.12166",
    "kind": "arxiv",
    "version": 3
  }
}