Pith Number

pith:G4J5PJP7

pith:2005:G4J5PJP7V3INKG3QBWM3HJWTJD

not attested not anchored not stored refs pending

alpha-Enhanced Integrated Lick/IDS Spectral Indices and Milky Way and M31 Globular Clusters and Early-type Galaxies

Guy Worthey (Washington State University), Hyun-chul Lee

arxiv:astro-ph/0504509 v4 · 2005-04-22 · 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{G4J5PJP7V3INKG3QBWM3HJWTJD}

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.

Cited by

1 paper in Pith

Chemical hints of Population III stars from silicon abundances in massive galaxies

Receipt and verification

First computed	2026-07-04T16:52:14.938566Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3713d7a5ffaed0d51b700d99b3a6d348c34cfb05ea77eb1adb2b3cb64e8a65f4

Aliases

arxiv: astro-ph/0504509 · arxiv_version: astro-ph/0504509v4 · doi: 10.48550/arxiv.astro-ph/0504509 · pith_short_12: G4J5PJP7V3IN · pith_short_16: G4J5PJP7V3INKG3Q · pith_short_8: G4J5PJP7

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/G4J5PJP7V3INKG3QBWM3HJWTJD \
  | 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: 3713d7a5ffaed0d51b700d99b3a6d348c34cfb05ea77eb1adb2b3cb64e8a65f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89cdad6692a6a3b5dad94ca15ead07ff377f700e6acb77d0cca84895a7bb3e6a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-04-22T19:58:33Z",
    "title_canon_sha256": "ddda9f1a020407b3aaa044be72496e4306a56b4cbc22668a953e9adf4044989e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0504509",
    "kind": "arxiv",
    "version": 4
  }
}