Pith Number

pith:PISNW6OB

pith:2011:PISNW6OBNA3KODCD77MH5Z27HM

not attested not anchored not stored refs pending

Star cluster formation and some implications for GAIA

Pavel Kroupa (Bonn)

arxiv:1111.5613 v2 · 2011-11-23 · 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{PISNW6OBNA3KODCD77MH5Z27HM}

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	2026-05-18T04:07:28.926507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a24db79c16836a70c43ffd87ee75f3b00cdb0de968c65e41e61a16e3ae927b0

Aliases

arxiv: 1111.5613 · arxiv_version: 1111.5613v2 · doi: 10.48550/arxiv.1111.5613 · pith_short_12: PISNW6OBNA3K · pith_short_16: PISNW6OBNA3KODCD · pith_short_8: PISNW6OB

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/PISNW6OBNA3KODCD77MH5Z27HM \
  | 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: 7a24db79c16836a70c43ffd87ee75f3b00cdb0de968c65e41e61a16e3ae927b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8bcb7cb98c5ced525db81a4f2629d73b430dc4918fde49ca92102ce2de4bc44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-11-23T21:00:00Z",
    "title_canon_sha256": "291880777a28936983a66f00fe23da82aa54a410b243ef9cbd1d597846290dfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.5613",
    "kind": "arxiv",
    "version": 2
  }
}