Pith Number

pith:UAPJAFTV

pith:2009:UAPJAFTV7O2FAK5AVZHKRKETPW

not attested not anchored not stored refs pending

What does a universal IMF imply about star formation?

M B N Kouwenhoven (Sheffield), Simon P Goodwin

arxiv:0904.4619 v1 · 2009-04-29 · astro-ph.GA · 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{UAPJAFTV7O2FAK5AVZHKRKETPW}

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	2026-05-18T02:13:49.177207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a01e901675fbb4502ba0ae4ea8a8937db97aaa0ef93f0fe7eafbd4792b7f0bc9

Aliases

arxiv: 0904.4619 · arxiv_version: 0904.4619v1 · doi: 10.48550/arxiv.0904.4619 · pith_short_12: UAPJAFTV7O2F · pith_short_16: UAPJAFTV7O2FAK5A · pith_short_8: UAPJAFTV

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/UAPJAFTV7O2FAK5AVZHKRKETPW \
  | 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: a01e901675fbb4502ba0ae4ea8a8937db97aaa0ef93f0fe7eafbd4792b7f0bc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a686221ffe6402d79e88c86984fb36297415458d5bb57b34b8314c58f12d652",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-04-29T14:22:06Z",
    "title_canon_sha256": "76e5d73c3d8698e0921149cb50d9b75695e044f71c93e10fea5b7dc2d79e379a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4619",
    "kind": "arxiv",
    "version": 1
  }
}