Pith Number

pith:32GZQPKY

pith:2004:32GZQPKY4KUB2BIEZ4E2RKTTLZ

not attested not anchored not stored refs pending

Dark matter to dark energy transition in k-essence cosmologies

L.P. Chimento, M\'onica Forte, Ruth Lazkoz

arxiv:astro-ph/0407288 v1 · 2004-07-14 · astro-ph · gr-qc · 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{32GZQPKY4KUB2BIEZ4E2RKTTLZ}

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	2026-05-18T04:37:01.665148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de8d983d58e2a81d0504cf09a8aa735e75a8612ff274a057fa2fb15dad1ba59c

Aliases

arxiv: astro-ph/0407288 · arxiv_version: astro-ph/0407288v1 · doi: 10.48550/arxiv.astro-ph/0407288 · pith_short_12: 32GZQPKY4KUB · pith_short_16: 32GZQPKY4KUB2BIE · pith_short_8: 32GZQPKY

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/32GZQPKY4KUB2BIEZ4E2RKTTLZ \
  | 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: de8d983d58e2a81d0504cf09a8aa735e75a8612ff274a057fa2fb15dad1ba59c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e688f663f7d700a8955c96214862b889f369491c017177aae99dd8202fbbdff",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-07-14T14:42:32Z",
    "title_canon_sha256": "99dfbaad8ff11e0a704d6852732f49d4a491778e308431fcf68e29f1d84f0070"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0407288",
    "kind": "arxiv",
    "version": 1
  }
}