Pith Number

pith:CG4KG5MW

pith:2004:CG4KG5MWD7SGDI4UBVWCU52RH2

not attested not anchored not stored refs pending

RR Lyrae variables in Galactic globular clusters: IV. Synthetic HB and RR Lyrae predictions

F. Caputo, M. Castellani, S. Cassisi, V. Castellani

arxiv:astro-ph/0407256 v1 · 2004-07-13 · 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{CG4KG5MWD7SGDI4UBVWCU52RH2}

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	2026-07-04T16:44:18.032793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11b8a375961fe461a3940d6c2a77513e9ab9ccde50019acbd695eec9c48c2cd5

Aliases

arxiv: astro-ph/0407256 · arxiv_version: astro-ph/0407256v1 · doi: 10.48550/arxiv.astro-ph/0407256 · pith_short_12: CG4KG5MWD7SG · pith_short_16: CG4KG5MWD7SGDI4U · pith_short_8: CG4KG5MW

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/CG4KG5MWD7SGDI4UBVWCU52RH2 \
  | 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: 11b8a375961fe461a3940d6c2a77513e9ab9ccde50019acbd695eec9c48c2cd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cd430aef074ee571426a2e579b9f8803cfe59b08c1e5bc87e38b5b350b31c01",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-07-13T10:28:04Z",
    "title_canon_sha256": "464c728603b681d476ff205a1babc2d1cbea8ce617e7ca966f36f3545fbc0b53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0407256",
    "kind": "arxiv",
    "version": 1
  }
}