Pith Number

pith:5KF5VMOW

pith:2008:5KF5VMOWC6KG4CFZF4RKPXRMJJ

not attested not anchored not stored refs pending

Bigravity: a bimetric model of the Universe with variable constants, inluding VSL (variable speed of light)

Gilles D'Agostini, Jean Pierre Petit

arxiv:0803.1362 v2 · 2008-03-10 · 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{5KF5VMOWC6KG4CFZF4RKPXRMJJ}

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	2026-07-04T15:33:25.039553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea8bdab1d617946e08b92f22a7de2c4a4b4c03de03cb249df7992eadc9c3d2b5

Aliases

arxiv: 0803.1362 · arxiv_version: 0803.1362v2 · doi: 10.48550/arxiv.0803.1362 · pith_short_12: 5KF5VMOWC6KG · pith_short_16: 5KF5VMOWC6KG4CFZ · pith_short_8: 5KF5VMOW

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/5KF5VMOWC6KG4CFZF4RKPXRMJJ \
  | 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: ea8bdab1d617946e08b92f22a7de2c4a4b4c03de03cb249df7992eadc9c3d2b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba240fb668c4321e6daf8e1490e20098d95332c1774e4f95c6f78b1e63048333",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2008-03-10T08:50:36Z",
    "title_canon_sha256": "fe13e36220ea570cae822f8b6b88bb082fc491ffdf14aff83fc8966f38327f4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.1362",
    "kind": "arxiv",
    "version": 2
  }
}