Pith Number

pith:ITZCRB3M

pith:2009:ITZCRB3MYUA3HP6BAZXWYKBFRS

not attested not anchored not stored refs pending

The Simultaneous Formation of Massive Stars and Stellar Clusters

Ian Bonnell, Rowan J. Smith, Steven Longmore

arxiv:0908.3910 v1 · 2009-08-26 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ITZCRB3MYUA3HP6BAZXWYKBFRS}

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	2026-05-18T02:12:22.446404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44f228876cc501b3bfc1066f6c28258cb6b284cca4dc186a349fdfb3bc0bfa81

Aliases

arxiv: 0908.3910 · arxiv_version: 0908.3910v1 · doi: 10.48550/arxiv.0908.3910 · pith_short_12: ITZCRB3MYUA3 · pith_short_16: ITZCRB3MYUA3HP6B · pith_short_8: ITZCRB3M

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/ITZCRB3MYUA3HP6BAZXWYKBFRS \
  | 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: 44f228876cc501b3bfc1066f6c28258cb6b284cca4dc186a349fdfb3bc0bfa81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff0415d9c53479e831b72140570b13d05624d8579031936bdf638bb86534a459",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-08-26T21:45:33Z",
    "title_canon_sha256": "26b60de31a8ba37c85e922d7699d4de798df4365991fd087ee5c0889c68864f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.3910",
    "kind": "arxiv",
    "version": 1
  }
}