Pith Number

pith:5GY5AREP

pith:1997:5GY5AREPZSYXOVNITLQ35543YE

not attested not anchored not stored refs pending

The Dependence of Globular Cluster Number on Density for Abell Cluster Central Galaxies

John P. Blakeslee

arxiv:astro-ph/9703099 v1 · 1997-03-15 · 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{5GY5AREPZSYXOVNITLQ35543YE}

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	2026-07-04T16:02:55.336127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9b1d0448fccb17755a89ae1bef79bc1277d050d5d071cc5965eb3f8fcc21bb5

Aliases

arxiv: astro-ph/9703099 · arxiv_version: astro-ph/9703099v1 · doi: 10.48550/arxiv.astro-ph/9703099 · pith_short_12: 5GY5AREPZSYX · pith_short_16: 5GY5AREPZSYXOVNI · pith_short_8: 5GY5AREP

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/5GY5AREPZSYXOVNITLQ35543YE \
  | 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: e9b1d0448fccb17755a89ae1bef79bc1277d050d5d071cc5965eb3f8fcc21bb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70c57dd297b6bf2ca059d83ebe922318c52a036aefbdb763aad92186d8f46465",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-03-15T02:54:29Z",
    "title_canon_sha256": "292ec616aa43807f6cc132167509e478c2c19d9f160815d145abeba5cdcd2b1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9703099",
    "kind": "arxiv",
    "version": 1
  }
}