Pith Number

pith:5I7HSFFI

pith:2009:5I7HSFFIPA7ULOPEHPAGQP3AX3

not attested not anchored not stored refs pending

Massive star clusters in galaxies

Canada), William E. Harris (McMaster University

arxiv:0911.0798 v1 · 2009-11-04 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5I7HSFFIPA7ULOPEHPAGQP3AX3}

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	2026-05-18T02:10:59.653529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea3e7914a8783f45b9e43bc0683f60bedea40c6021b4893c0ef794326f9775f5

Aliases

arxiv: 0911.0798 · arxiv_version: 0911.0798v1 · doi: 10.48550/arxiv.0911.0798 · pith_short_12: 5I7HSFFIPA7U · pith_short_16: 5I7HSFFIPA7ULOPE · pith_short_8: 5I7HSFFI

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/5I7HSFFIPA7ULOPEHPAGQP3AX3 \
  | 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: ea3e7914a8783f45b9e43bc0683f60bedea40c6021b4893c0ef794326f9775f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fe0d15049f90bd354b828354a04fd9d42602edec3c3dc598b73f77bb3f7011f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-11-04T11:56:54Z",
    "title_canon_sha256": "4b92c01372bb91ac4b1aa44ab5cad488f90be0ea86377a69782c60434ab624e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.0798",
    "kind": "arxiv",
    "version": 1
  }
}