pith. sign in
Pith Number

pith:JLI5J434

pith:2008:JLI5J434CBSNEZOVKM5FKNUL3O
not attested not anchored not stored refs pending

Evolution of scalar perturbations in cosmology with quintessential dark energy

B. Novosyadlyj, O. Sergijenko

arxiv:0808.2098 v4 · 2008-08-15 · astro-ph · gr-qc · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JLI5J434CBSNEZOVKM5FKNUL3O}

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 2026-07-04T15:47:32.106502Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4ad1d4f37c1064d265d5533a55368bdb8fbf4030ddc31a4c9ef49037dfafeb2b

Aliases

arxiv: 0808.2098 · arxiv_version: 0808.2098v4 · doi: 10.48550/arxiv.0808.2098 · pith_short_12: JLI5J434CBSN · pith_short_16: JLI5J434CBSNEZOV · pith_short_8: JLI5J434
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JLI5J434CBSNEZOVKM5FKNUL3O \
  | 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: 4ad1d4f37c1064d265d5533a55368bdb8fbf4030ddc31a4c9ef49037dfafeb2b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7601786f4e1918166f8e40688a00c9f33ff7148718ec20d23bd4529ebaecaf00",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-08-15T19:30:59Z",
    "title_canon_sha256": "949a5999a2182f41a45b788a0e8dfa77cfcb4394f2202a91b8b2cc4aaba405ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.2098",
    "kind": "arxiv",
    "version": 4
  }
}