Pith Number

pith:IAW3L55E

pith:2009:IAW3L55ED2L3G5T75BOUKEXOG7

not attested not anchored not stored refs pending

The relation between the most-massive star and its parental star cluster mass

2), (2) Pontificia Universidad Catolica de Chile, (3) AIfA Bonn), C. Weidner (1, I. Bonnell (1) ((1) St Andrews University, P. Kroupa (3)

arxiv:0909.1555 v1 · 2009-09-08 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IAW3L55ED2L3G5T75BOUKEXOG7}

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	2026-05-18T02:11:58.374004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

402db5f7a41e97b3767fe85d4512ee37c133b66ba3daf9d62795712394fb1b38

Aliases

arxiv: 0909.1555 · arxiv_version: 0909.1555v1 · doi: 10.48550/arxiv.0909.1555 · pith_short_12: IAW3L55ED2L3 · pith_short_16: IAW3L55ED2L3G5T7 · pith_short_8: IAW3L55E

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/IAW3L55ED2L3G5T75BOUKEXOG7 \
  | 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: 402db5f7a41e97b3767fe85d4512ee37c133b66ba3daf9d62795712394fb1b38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb39d0104967a325f4a17c4f642b1b67ccfc0cc8dc8970177e96e8ad046932f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-08T20:00:06Z",
    "title_canon_sha256": "df11db96e2bd8b5b6ebf41443d506b73b0e23a1aec8c550d76f2e630f29ca48f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.1555",
    "kind": "arxiv",
    "version": 1
  }
}