Pith Number

pith:4WJUY7VC

pith:2013:4WJUY7VCQZKY432U7LWDSZM3N2

not attested not anchored not stored refs pending

Shocks, cooling and the origin of star formation rates in spiral galaxies

Clare L. Dobbs, Ian A. Bonnell, Rowan J. Smith

arxiv:1301.1041 v1 · 2013-01-06 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4WJUY7VCQZKY432U7LWDSZM3N2}

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	2026-05-18T01:52:21.263639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5934c7ea286558e6f54faec39659b6ea066f1c81f629b402f255d7ca2033408

Aliases

arxiv: 1301.1041 · arxiv_version: 1301.1041v1 · doi: 10.48550/arxiv.1301.1041 · pith_short_12: 4WJUY7VCQZKY · pith_short_16: 4WJUY7VCQZKY432U · pith_short_8: 4WJUY7VC

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/4WJUY7VCQZKY432U7LWDSZM3N2 \
  | 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: e5934c7ea286558e6f54faec39659b6ea066f1c81f629b402f255d7ca2033408

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e9ffbb01059ff56c080f2505673c35d56a529bcd72e79d421ddd65abf9fc2e1",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-01-06T19:26:41Z",
    "title_canon_sha256": "9341a88d54ce55d57951eacc96869b8a7eb68e20781b5cddd9049611f4759d5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1041",
    "kind": "arxiv",
    "version": 1
  }
}