Pith Number

pith:DBIFXFAM

pith:2007:DBIFXFAMTZX3M645P2EQUCGOOS

not attested not anchored not stored refs pending

Detecting a Lorentz-Violating Field in Cosmology

Baojiu Li, David F. Mota, John D. Barrow

arxiv:0709.4581 v2 · 2007-09-28 · astro-ph · gr-qc · hep-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{DBIFXFAMTZX3M645P2EQUCGOOS}

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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

Lorentz Violation with Gravitational Waves: Constraints from NANOGrav and IPTA Data

Receipt and verification

First computed	2026-07-04T15:27:48.104572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18505b940c9e6fb67b9d7e890a08ce74a3a36da96f3d44d966ec072478fa5e17

Aliases

arxiv: 0709.4581 · arxiv_version: 0709.4581v2 · doi: 10.48550/arxiv.0709.4581 · pith_short_12: DBIFXFAMTZX3 · pith_short_16: DBIFXFAMTZX3M645 · pith_short_8: DBIFXFAM

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/DBIFXFAMTZX3M645P2EQUCGOOS \
  | 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: 18505b940c9e6fb67b9d7e890a08ce74a3a36da96f3d44d966ec072478fa5e17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "529d0842d5bef8f3fcc5aa2620f39b895689c0b82402497bb07c5288a13be5be",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-09-28T11:39:38Z",
    "title_canon_sha256": "3d61974129ca0917eb89b1389f4115596ac86007b20dbd0a69539b0ddb8af43c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.4581",
    "kind": "arxiv",
    "version": 2
  }
}