Pith Number

pith:PV7AW5YV

pith:2004:PV7AW5YV4WAYPD4WJQZBH7Z7UQ

not attested not anchored not stored refs pending

Updated pulsation models for anomalous Cepheids

F. Caputo (INAF - Astron. Obs. of Roma), G. Fiorentino (University of Tor Vergata, M. Marconi (INAF - Astron. Obs. of Capodimonte), Roma)

arxiv:astro-ph/0401332 v1 · 2004-01-16 · 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{PV7AW5YV4WAYPD4WJQZBH7Z7UQ}

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	2026-07-04T15:40:59.458814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d7e0b7715e581878f964c3213ff3fa42c998ad3139fbf64726a66d488d4b12d

Aliases

arxiv: astro-ph/0401332 · arxiv_version: astro-ph/0401332v1 · doi: 10.48550/arxiv.astro-ph/0401332 · pith_short_12: PV7AW5YV4WAY · pith_short_16: PV7AW5YV4WAYPD4W · pith_short_8: PV7AW5YV

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/PV7AW5YV4WAYPD4WJQZBH7Z7UQ \
  | 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: 7d7e0b7715e581878f964c3213ff3fa42c998ad3139fbf64726a66d488d4b12d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac5b63b67e0c63bbe8863ee8f0a09dd5d2eb2f24fe6a4e229aea84f25758b2f3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-01-16T10:18:01Z",
    "title_canon_sha256": "b0d080c8a653d292c2f68d8552ce8385b1068e8a0dd9dbba799aca8943ce21c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0401332",
    "kind": "arxiv",
    "version": 1
  }
}