Pith Number

pith:MXIYDSUU

pith:2005:MXIYDSUUBQNVEZ4HCRD3NZIR53

not attested not anchored not stored refs pending

Cosmo-dynamics and dark energy with non-linear equation of state: a quadratic model

Kishore N. Ananda, Marco Bruni (ICG, Portsmouth)

arxiv:astro-ph/0512224 v1 · 2005-12-08 · astro-ph · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MXIYDSUUBQNVEZ4HCRD3NZIR53}

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

Stability and Thermodynamics of a Generalized Power-Law Dark Energy Model

Receipt and verification

First computed	2026-07-04T15:34:24.740577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65d181ca940c1b5267871447b6e511eeda4559d50b073c776797dcd559876352

Aliases

arxiv: astro-ph/0512224 · arxiv_version: astro-ph/0512224v1 · doi: 10.48550/arxiv.astro-ph/0512224 · pith_short_12: MXIYDSUUBQNV · pith_short_16: MXIYDSUUBQNVEZ4H · pith_short_8: MXIYDSUU

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/MXIYDSUUBQNVEZ4HCRD3NZIR53 \
  | 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: 65d181ca940c1b5267871447b6e511eeda4559d50b073c776797dcd559876352

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "655c467ac03a527892d1551d07839fc9d7bfe3726bafd0696379a60194c1dc69",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-12-08T15:49:57Z",
    "title_canon_sha256": "6fbc2729053dcb45c6aacf8acf0ae1be005202067c0106c2ad74dd80f93064f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0512224",
    "kind": "arxiv",
    "version": 1
  }
}