Pith Number

pith:T2CDDW2O

pith:2000:T2CDDW2OU6YAGU3ZXSWHGS6GJ2

not attested not anchored not stored refs pending

Chi-Variable-Speed-of-Light Cosmologies

Bruce A. Bassett (University of Oxford, Carmen Molina-Paris (Los Alamos), INFN; Trieste), Matt Visser (Washington University in Saint Louis), Portsmouth University), Stefano Liberati (SISSA

arxiv:astro-ph/0001481 v1 · 2000-01-27 · astro-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{T2CDDW2OU6YAGU3ZXSWHGS6GJ2}

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.

Cited by

1 paper in Pith

Revisiting Varying Speed of Light in Cosmology: Insights from the Friedmann-Lema\^itre-Robertson-Walker Metric

Receipt and verification

First computed	2026-07-04T16:15:58.921999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e8431db4ea7b0035379bcac734bc64eb4e40fcb6b389fa9a0baf51fc1339d7a

Aliases

arxiv: astro-ph/0001481 · arxiv_version: astro-ph/0001481v1 · doi: 10.48550/arxiv.astro-ph/0001481 · pith_short_12: T2CDDW2OU6YA · pith_short_16: T2CDDW2OU6YAGU3Z · pith_short_8: T2CDDW2O

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/T2CDDW2OU6YAGU3ZXSWHGS6GJ2 \
  | 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: 9e8431db4ea7b0035379bcac734bc64eb4e40fcb6b389fa9a0baf51fc1339d7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4968125835ef4a469e2179e8412ca3fd4cd18eda4e4f7eeb87444ee663207446",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-01-27T16:13:20Z",
    "title_canon_sha256": "81fe5f92d60f615548b4298b6d1a133f929c8c736241ef0783d57a9ae195af51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0001481",
    "kind": "arxiv",
    "version": 1
  }
}