Pith Number

pith:EPAO7LI3

pith:2009:EPAO7LI3SZOEAG7AFQIY62R4BR

not attested not anchored not stored refs pending

What does the IMF really tell us about star formation?

(2) University of Sheffield), M.B.N. Kouwenhoven (1), S.P. Goodwin (2) ((1) KIAA Beijing

arxiv:0910.4424 v1 · 2009-10-23 · 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{EPAO7LI3SZOEAG7AFQIY62R4BR}

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	2026-05-18T02:11:12.338953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23c0efad1b965c401be02c118f6a3c0c57e3d44dbc7249c49a71cfe12075130a

Aliases

arxiv: 0910.4424 · arxiv_version: 0910.4424v1 · doi: 10.48550/arxiv.0910.4424 · pith_short_12: EPAO7LI3SZOE · pith_short_16: EPAO7LI3SZOEAG7A · pith_short_8: EPAO7LI3

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/EPAO7LI3SZOEAG7AFQIY62R4BR \
  | 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: 23c0efad1b965c401be02c118f6a3c0c57e3d44dbc7249c49a71cfe12075130a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dc62be1dde716944c38e0988c5613ed9740a87acc49870947abb67d49893fcf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-10-23T02:20:23Z",
    "title_canon_sha256": "335cc9d9ebc746a9da59a97c064ec6c60cbd3d6fee62e270c732b1d669698d92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.4424",
    "kind": "arxiv",
    "version": 1
  }
}