Pith Number

pith:IQAJ6TA7

pith:2007:IQAJ6TA7HSCIVCJNYZDNCLM5II

not attested not anchored not stored refs pending

Scalar-Tensor Dark Energy Models

A. A. Starobinsky, A. Ranquet, D. Polarski, R. Gannouji

arxiv:astro-ph/0701650 v1 · 2007-01-23 · 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{IQAJ6TA7HSCIVCJNYZDNCLM5II}

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	2026-05-18T00:59:12.671719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44009f4c1f3c848a892dc646d12d9d422ded821b460eec698136e3fc100b847b

Aliases

arxiv: astro-ph/0701650 · arxiv_version: astro-ph/0701650v1 · doi: 10.48550/arxiv.astro-ph/0701650 · pith_short_12: IQAJ6TA7HSCI · pith_short_16: IQAJ6TA7HSCIVCJN · pith_short_8: IQAJ6TA7

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/IQAJ6TA7HSCIVCJNYZDNCLM5II \
  | 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: 44009f4c1f3c848a892dc646d12d9d422ded821b460eec698136e3fc100b847b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bdb4a5d549292e9a03d1433097e81e73627ea98421bad8fb791668cdeb69773",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-23T15:52:16Z",
    "title_canon_sha256": "92d55ebdfc2fa2ed63f594b112deb8648955645058b72b657f472a66c4929b79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701650",
    "kind": "arxiv",
    "version": 1
  }
}