Pith Number

pith:OU47VFFD

pith:2010:OU47VFFDUHTOYGC5FUAP5ERWCJ

not attested not anchored not stored refs pending

Properties and uncertainties of scalar field models of dark energy with barotropic equation of state

B. Novosyadlyj, O. Sergijenko, S. Apunevych, V. Pelykh

arxiv:1008.1943 v2 · 2010-08-11 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OU47VFFDUHTOYGC5FUAP5ERWCJ}

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	2026-05-18T04:33:59.808754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7539fa94a3a1e6ec185d2d00fe92361244561e8362312b962c489e5f4235f244

Aliases

arxiv: 1008.1943 · arxiv_version: 1008.1943v2 · doi: 10.48550/arxiv.1008.1943 · pith_short_12: OU47VFFDUHTO · pith_short_16: OU47VFFDUHTOYGC5 · pith_short_8: OU47VFFD

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/OU47VFFDUHTOYGC5FUAP5ERWCJ \
  | 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: 7539fa94a3a1e6ec185d2d00fe92361244561e8362312b962c489e5f4235f244

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9881220bf586d97facdaacc6af00355ac6fc93c8a0cf61fb5ded3fdcf383ed7d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-08-11T15:47:32Z",
    "title_canon_sha256": "e4d8d995d4c712d1cdfa2a4df2ed21ac5891b4b15bc1169963aa98579f869fc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.1943",
    "kind": "arxiv",
    "version": 2
  }
}