Pith Number

pith:KZUP2PYT

pith:2012:KZUP2PYTDXRUQWYGS47Q5DREDC

not attested not anchored not stored refs pending

Star Formation Laws: the Effects of Gas Cloud Sampling

(2) The Johns Hopkins University, (3) SUNY at Stony Brook), Daniela Calzetti (1), Guilin Liu (2), Jin Koda (3) ((1) University of Massachusetts - Amherst

arxiv:1204.5659 v1 · 2012-04-25 · 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{KZUP2PYTDXRUQWYGS47Q5DREDC}

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	2026-05-18T01:57:44.373819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5668fd3f131de3485b06973f0e8e2418bf8c96bb315af6c9cea09d14d0502abe

Aliases

arxiv: 1204.5659 · arxiv_version: 1204.5659v1 · doi: 10.48550/arxiv.1204.5659 · pith_short_12: KZUP2PYTDXRU · pith_short_16: KZUP2PYTDXRUQWYG · pith_short_8: KZUP2PYT

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/KZUP2PYTDXRUQWYGS47Q5DREDC \
  | 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: 5668fd3f131de3485b06973f0e8e2418bf8c96bb315af6c9cea09d14d0502abe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1141e2abf4798cd7b84130664b22389497cd20c0b07f16ba4b50e4f9ed4ee7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-04-25T13:59:28Z",
    "title_canon_sha256": "b24d80652944255c1aae283602be4f1d6104e2325ea19ee8e700bebab8521ea7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5659",
    "kind": "arxiv",
    "version": 1
  }
}