Pith Number

pith:ZTNON3W3

pith:2009:ZTNON3W377F4RWDX332CKXS2JY

not attested not anchored not stored refs pending

Empirical evidences in favor of a varying-speed-of-light

Yves-Henri Sanejouand

arxiv:0908.0249 v4 · 2009-08-03 · 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{ZTNON3W377F4RWDX332CKXS2JY}

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

Alleviating the Hubble Tension via Cosmological Time Dilation in the meVSL Model

Receipt and verification

First computed	2026-07-04T17:17:49.437821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccdae6eedbffcbc8d877def4255e5a4e01041ee9cb6c6fd7ba41ac9186404507

Aliases

arxiv: 0908.0249 · arxiv_version: 0908.0249v4 · doi: 10.48550/arxiv.0908.0249 · pith_short_12: ZTNON3W377F4 · pith_short_16: ZTNON3W377F4RWDX · pith_short_8: ZTNON3W3

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/ZTNON3W377F4RWDX332CKXS2JY \
  | 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: ccdae6eedbffcbc8d877def4255e5a4e01041ee9cb6c6fd7ba41ac9186404507

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f49605fba8a9883d367652614acc6c9e9beff685b1eef0df0efaecf8818ea1f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2009-08-03T13:46:38Z",
    "title_canon_sha256": "31084b5f149df1fa77a4b11f32222a6202c0610724e5de8f7cea49aa84087b86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0249",
    "kind": "arxiv",
    "version": 4
  }
}