Pith Number

pith:IQ4EAQRU

pith:2012:IQ4EAQRUOFFJSS32ORRK6PGC5I

not attested not anchored not stored refs pending

Dense Cloud Formation and Star Formation in a Barred Galaxy

A. Habe, A. Hirota, D. Namekata, K. Sorai, M. Nimori, Y. Watanabe

arxiv:1207.5315 v2 · 2012-07-23 · 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{IQ4EAQRUOFFJSS32ORRK6PGC5I}

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	2026-05-18T01:56:09.252764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4438404234714a994b7a7462af3cc2ea02669a5f2f1ebc617004e141460ee3be

Aliases

arxiv: 1207.5315 · arxiv_version: 1207.5315v2 · doi: 10.48550/arxiv.1207.5315 · pith_short_12: IQ4EAQRUOFFJ · pith_short_16: IQ4EAQRUOFFJSS32 · pith_short_8: IQ4EAQRU

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/IQ4EAQRUOFFJSS32ORRK6PGC5I \
  | 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: 4438404234714a994b7a7462af3cc2ea02669a5f2f1ebc617004e141460ee3be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d824ec7dd3bd2f64590ccc2bdeaa234f42cd328c073c76b23b42d0a6f3cb416c",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-07-23T08:09:46Z",
    "title_canon_sha256": "32dd3bf55e481a8f94b87d399108fb23f764dfb6e581b177f074c2e9a654fb2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5315",
    "kind": "arxiv",
    "version": 2
  }
}