Pith Number

pith:2LBBOYFW

pith:2013:2LBBOYFWTCIZJPMZA5TUZA3THT

not attested not anchored not stored refs pending

The Star Formation Law in Molecule-Poor Galaxies

Mark R. Krumholz

arxiv:1309.5100 v1 · 2013-09-19 · astro-ph.CO · 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{2LBBOYFWTCIZJPMZA5TUZA3THT}

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	2026-05-18T01:47:35.300472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2c21760b6989194bd9907674c83733cf4f3e2716e291c57279678574ed37e6a

Aliases

arxiv: 1309.5100 · arxiv_version: 1309.5100v1 · doi: 10.48550/arxiv.1309.5100 · pith_short_12: 2LBBOYFWTCIZ · pith_short_16: 2LBBOYFWTCIZJPMZ · pith_short_8: 2LBBOYFW

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/2LBBOYFWTCIZJPMZA5TUZA3THT \
  | 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: d2c21760b6989194bd9907674c83733cf4f3e2716e291c57279678574ed37e6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9071f9dc56da8d3c8d08cd372f06bede74c74f39f0f8bc7e977b326753e552b",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-09-19T20:54:50Z",
    "title_canon_sha256": "f8ba63b43f1fdb81f9cf2c34cc1cd53489b2ff204713856967066a068890135d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.5100",
    "kind": "arxiv",
    "version": 1
  }
}