Pith Number

pith:JC7KALKH

pith:2002:JC7KALKH25RYV5HJKXNV2ELSRO

not attested not anchored not stored refs pending

On the Degeneracy Inherent in Observational Determination of the Dark Energy Equation of State

Ira Wasserman

arxiv:astro-ph/0203137 v2 · 2002-03-08 · 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{JC7KALKH25RYV5HJKXNV2ELSRO}

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

1 paper in Pith

Extended Dark Energy analysis using DESI DR2 BAO measurements

Receipt and verification

First computed	2026-07-04T16:29:31.316972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48bea02d47d7638af4e955db5d11728bb23d0e305d13b4fd3791f7a8974db67d

Aliases

arxiv: astro-ph/0203137 · arxiv_version: astro-ph/0203137v2 · doi: 10.48550/arxiv.astro-ph/0203137 · pith_short_12: JC7KALKH25RY · pith_short_16: JC7KALKH25RYV5HJ · pith_short_8: JC7KALKH

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/JC7KALKH25RYV5HJKXNV2ELSRO \
  | 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: 48bea02d47d7638af4e955db5d11728bb23d0e305d13b4fd3791f7a8974db67d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7164c15ecf6da85ab5e89191f9b233014ae1b9383dff56796ab59cb0025a844",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-03-08T20:59:37Z",
    "title_canon_sha256": "ebc0fc336b4bceaf00eb961062a433919dd2d197a52724df5a71ac5da2a9be6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0203137",
    "kind": "arxiv",
    "version": 2
  }
}