Pith Number

pith:DYEOZ35F

pith:1999:DYEOZ35F3N2DBXEFUDVP7S3KZI

not attested not anchored not stored refs pending

The Color Distributions of Globular Clusters in Virgo Elliptical Galaxies

Eric H. Neilsen, Jr., Zlatan I. Tsvetanov

arxiv:astro-ph/9902164 v2 · 1999-02-10 · 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{DYEOZ35F3N2DBXEFUDVP7S3KZI}

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	2026-05-18T03:47:42.512545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e08ecefa5db7430dc85a0eaffcb6aca18d3127b025215ef689de1781c9bca96

Aliases

arxiv: astro-ph/9902164 · arxiv_version: astro-ph/9902164v2 · doi: 10.48550/arxiv.astro-ph/9902164 · pith_short_12: DYEOZ35F3N2D · pith_short_16: DYEOZ35F3N2DBXEF · pith_short_8: DYEOZ35F

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/DYEOZ35F3N2DBXEFUDVP7S3KZI \
  | 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: 1e08ecefa5db7430dc85a0eaffcb6aca18d3127b025215ef689de1781c9bca96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcf2452bfc6a883beb11b2062e73c4b36c63b828b1cc620adf7808a89f92d7d8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-02-10T20:25:16Z",
    "title_canon_sha256": "18ac72f4f0e1edaa4063878c788796e747ac837c92211f90c76f762aa372bc08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9902164",
    "kind": "arxiv",
    "version": 2
  }
}