Pith Number

pith:4JGQ54BR

pith:2004:4JGQ54BRAQZUO5GQNFYCRAACDA

not attested not anchored not stored refs pending

Constraints on Dirac-Born-Infeld type dark energy models from varying alpha

Mohammad R. Garousi, M. Sami, Shinji Tsujikawa

arxiv:hep-th/0412002 v1 · 2004-12-01 · hep-th · 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{4JGQ54BRAQZUO5GQNFYCRAACDA}

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	2026-05-18T02:35:39.516874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e24d0ef03104334774d0697028800218115ec0a5c23ca82e7cc23e6c8176a991

Aliases

arxiv: hep-th/0412002 · arxiv_version: hep-th/0412002v1 · doi: 10.48550/arxiv.hep-th/0412002 · pith_short_12: 4JGQ54BRAQZU · pith_short_16: 4JGQ54BRAQZUO5GQ · pith_short_8: 4JGQ54BR

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/4JGQ54BRAQZUO5GQNFYCRAACDA \
  | 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: e24d0ef03104334774d0697028800218115ec0a5c23ca82e7cc23e6c8176a991

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae65f84f9ba441c32ab3a821330528b486d6e018e000d71c992f1bc9abf363c3",
    "cross_cats_sorted": [
      "astro-ph",
      "gr-qc",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2004-12-01T00:13:32Z",
    "title_canon_sha256": "75d3ea0cd9b31dbdf511b3ed06506908fd719dd80725e4715b592a3782acd648"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0412002",
    "kind": "arxiv",
    "version": 1
  }
}