Pith Number

pith:4URZC4TU

pith:2003:4URZC4TUSVU77ETPXEJOHXYC6U

not attested not anchored not stored refs pending

Non-linear evolution of the cosmological background density field as diagnostic of the cosmological reionization

C. Burigana, L.A. Popa, N. Mandolesi (IASF/CNR, Sezione di Bologna)

arxiv:astro-ph/0309785 v1 · 2003-09-29 · astro-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{4URZC4TUSVU77ETPXEJOHXYC6U}

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	2026-05-18T01:07:33.286846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5239172749569ff926fb912e3df02f5303c336032997d3cdb73c1ceb405dfbf

Aliases

arxiv: astro-ph/0309785 · arxiv_version: astro-ph/0309785v1 · doi: 10.48550/arxiv.astro-ph/0309785 · pith_short_12: 4URZC4TUSVU7 · pith_short_16: 4URZC4TUSVU77ETP · pith_short_8: 4URZC4TU

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/4URZC4TUSVU77ETPXEJOHXYC6U \
  | 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: e5239172749569ff926fb912e3df02f5303c336032997d3cdb73c1ceb405dfbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24524a9d71412cd670de88142fc37ba584a304a808ad28fce46b3091297bbf7c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-09-29T15:01:01Z",
    "title_canon_sha256": "2d512bf4b90ece7dc91d1c3299feffa9a805c21b97d323d0bf3d7416530cfaa8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0309785",
    "kind": "arxiv",
    "version": 1
  }
}