Pith Number

pith:S4TC5YHW

pith:2005:S4TC5YHWEC4KHCCV6GURKNGNQW

not attested not anchored not stored refs pending

Star formation in unbound giant molecular clouds: the origin of OB associations?

(2) Astrophysikalisches Institut Potsdam, (3) University of Exeter), Hans Zinnecker (2), Ian A. Bonnell (1), Matthew R. Bate (3) ((1) University of St Andrews, Paul C. Clark (1)

arxiv:astro-ph/0503141 v1 · 2005-03-07 · 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{S4TC5YHWEC4KHCCV6GURKNGNQW}

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	2026-05-18T02:40:25.766030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97262ee0f620b8a38855f1a91534cd85991fb317c30caed6f68003253c854413

Aliases

arxiv: astro-ph/0503141 · arxiv_version: astro-ph/0503141v1 · doi: 10.48550/arxiv.astro-ph/0503141 · pith_short_12: S4TC5YHWEC4K · pith_short_16: S4TC5YHWEC4KHCCV · pith_short_8: S4TC5YHW

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/S4TC5YHWEC4KHCCV6GURKNGNQW \
  | 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: 97262ee0f620b8a38855f1a91534cd85991fb317c30caed6f68003253c854413

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "835c44dc099738e024a44f8903f3a45629b4d55b4223e217d640cb9f1ba9246a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-03-07T12:29:54Z",
    "title_canon_sha256": "c5e67d05ed9f16ebe3250d0e47423ce2fbaada8e8c78f7c42522210d01541d27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0503141",
    "kind": "arxiv",
    "version": 1
  }
}