Pith Number

pith:A652VHUA

pith:2003:A652VHUAMOWNXISUBYB3WBTURW

not attested not anchored not stored refs pending

Constraints on the equation of state of dark energy and the Hubble constant from stellar ages and the CMB

Daniel Stern (JPL), Licia Verde (Princeton), Raul Jimenez (UPenn), Tommaso Treu (Caltech)

arxiv:astro-ph/0302560 v1 · 2003-02-27 · 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{A652VHUAMOWNXISUBYB3WBTURW}

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

5 papers in Pith

EFT of Dark Energy with Cosmic Chronometers: Reconstructing Background EFT Functions

Model-independent test of the cosmic distance duality relation with recent observational data

Perturbation Dynamics and Structure Formation in Extended Proca-Nuevo Gravity

Directional Tests of the Cosmic Distance Duality Relation using Pantheon+ and BAO

Do equation of state parametrizations of dark energy faithfully capture the dynamics of the late universe?

Receipt and verification

First computed	2026-05-18T04:18:14.534613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07bbaa9e8063acdba2540e03bb06748db1d376a9e14713605c5624c17096590f

Aliases

arxiv: astro-ph/0302560 · arxiv_version: astro-ph/0302560v1 · doi: 10.48550/arxiv.astro-ph/0302560 · pith_short_12: A652VHUAMOWN · pith_short_16: A652VHUAMOWNXISU · pith_short_8: A652VHUA

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/A652VHUAMOWNXISUBYB3WBTURW \
  | 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: 07bbaa9e8063acdba2540e03bb06748db1d376a9e14713605c5624c17096590f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55f6bba15b6db552a063611cfb15d35f821d857fc17213fb8070fa53386dafe6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-02-27T17:34:27Z",
    "title_canon_sha256": "9dfd6f4e6d20b9eeade9b057af9955e64ec1796a8bc5af0df5ce1c0b4a486cd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0302560",
    "kind": "arxiv",
    "version": 1
  }
}