Pith Number

pith:YSZCP2KJ

pith:2004:YSZCP2KJMUS4ACQKJMPTCI7EVF

not attested not anchored not stored refs pending

Spectral Types and Masses of White Dwarfs in Globular Clusters

A. Renzini, D. Koester, F.R. Ferraro, M. Zoccali, R. Napiwotzki, S. Moehler, U. Heber

arxiv:astro-ph/0403245 v1 · 2004-03-10 · 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{YSZCP2KJMUS4ACQKJMPTCI7EVF}

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	2026-07-04T16:43:12.672594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4b227e9496525c00a0a4b1f3123e4a9482dc52870a647ad3f219e802e087d62

Aliases

arxiv: astro-ph/0403245 · arxiv_version: astro-ph/0403245v1 · doi: 10.48550/arxiv.astro-ph/0403245 · pith_short_12: YSZCP2KJMUS4 · pith_short_16: YSZCP2KJMUS4ACQK · pith_short_8: YSZCP2KJ

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/YSZCP2KJMUS4ACQKJMPTCI7EVF \
  | 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: c4b227e9496525c00a0a4b1f3123e4a9482dc52870a647ad3f219e802e087d62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14137205a53f3e379320570029acd72599cd90ec62b526f86750befd9da52a8a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-03-10T15:28:58Z",
    "title_canon_sha256": "9aadcb67d0210d419bd319c00f287e0ccb7ff8828fd50a174a3212e927993227"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0403245",
    "kind": "arxiv",
    "version": 1
  }
}