Pith Number

pith:KJ4XCP4G

pith:2004:KJ4XCP4GWYF2R2VSBMR7RBTWC6

not attested not anchored not stored refs pending

Dark Energy Constraints from the Cosmic Age and Supernova

Bo Feng, Xinmin Zhang, Xiulian Wang

arxiv:astro-ph/0404224 v3 · 2004-04-11 · astro-ph · hep-ph · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KJ4XCP4GWYF2R2VSBMR7RBTWC6}

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

4 papers in Pith

The Quintom theory of dark energy after DESI DR2

Exploring the interplay of late-time dynamical dark energy and new physics before recombination

Late-time reconstruction of non-minimally coupled gravity with a smoothness prior

Cosmological intercept tension

Receipt and verification

First computed	2026-05-18T04:23:00.756146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5279713f86b60ba8eab20b23f8867617afdb9b485a39e33abe8b9eade74de530

Aliases

arxiv: astro-ph/0404224 · arxiv_version: astro-ph/0404224v3 · doi: 10.48550/arxiv.astro-ph/0404224 · pith_short_12: KJ4XCP4GWYF2 · pith_short_16: KJ4XCP4GWYF2R2VS · pith_short_8: KJ4XCP4G

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/KJ4XCP4GWYF2R2VSBMR7RBTWC6 \
  | 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: 5279713f86b60ba8eab20b23f8867617afdb9b485a39e33abe8b9eade74de530

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3de8d997ed20d2acdf911ce668ca307cc6d885522e1729895a48f310f538c074",
    "cross_cats_sorted": [
      "hep-ph",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-04-11T17:37:19Z",
    "title_canon_sha256": "e8836850d496c2525d1af6efb9a1d6dff6a5b051844b1fdcf09f2a157bbc0994"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0404224",
    "kind": "arxiv",
    "version": 3
  }
}