Pith Number

pith:7YTAN3NT

pith:2005:7YTAN3NTSXKUHONYQWRESPTFTT

not attested not anchored not stored refs pending

Huygens' Principle for the Non-Self-Adjoint Scalar Wave Equation on Petrov type III Space-Times

F. D. Sasse, R. G. McLenaghan, W. G. Anderson

arxiv:math-ph/0504050 v1 · 2005-04-15 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7YTAN3NTSXKUHONYQWRESPTFTT}

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	2026-07-04T14:34:05.637518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe2606edb395d543b9b885a2493e659ccfcce2b08bdd7a2728499c1d49ff1da4

Aliases

arxiv: math-ph/0504050 · arxiv_version: math-ph/0504050v1 · doi: 10.48550/arxiv.math-ph/0504050 · pith_short_12: 7YTAN3NTSXKU · pith_short_16: 7YTAN3NTSXKUHONY · pith_short_8: 7YTAN3NT

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/7YTAN3NTSXKUHONYQWRESPTFTT \
  | 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: fe2606edb395d543b9b885a2493e659ccfcce2b08bdd7a2728499c1d49ff1da4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a1b629d0e03f5427637528b36c6a8ad3af360370bc40bcd46dd0f8056743c11",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "",
    "primary_cat": "math-ph",
    "submitted_at": "2005-04-15T17:17:02Z",
    "title_canon_sha256": "99352679a98ad38bf0a48d1ed013392a3442d7532456d5cee2e6df6c66899874"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math-ph/0504050",
    "kind": "arxiv",
    "version": 1
  }
}