Pith Number

pith:AC2D5J4J

pith:2015:AC2D5J4J6BN3XECFKZ3O4JPEH2

not attested not anchored not stored refs pending

The two molecular clouds in RCW 38; evidence for formation of the youngest super star cluster in the Milky Way triggered by cloud-cloud collision

A. Mizuno, A. Ohama, H. Sano, H. Yamamoto, J.R. Dawson, K. Fujii, K. Hasegawa, K. Tachihara, K. Torii, N. Mizuno, S. Kuwahara, S. Ohashi, T. Okuda, T. Onishi, Y. Fukui, Y. Hattori

arxiv:1504.05391 v7 · 2015-04-21 · astro-ph.SR · 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{AC2D5J4J6BN3XECFKZ3O4JPEH2}

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	2026-05-18T01:17:30.777213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00b43ea789f05bbb90455676ee25e43e93cbfd63f5e014ff62a94df9627d5909

Aliases

arxiv: 1504.05391 · arxiv_version: 1504.05391v7 · doi: 10.48550/arxiv.1504.05391 · pith_short_12: AC2D5J4J6BN3 · pith_short_16: AC2D5J4J6BN3XECF · pith_short_8: AC2D5J4J

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/AC2D5J4J6BN3XECFKZ3O4JPEH2 \
  | 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: 00b43ea789f05bbb90455676ee25e43e93cbfd63f5e014ff62a94df9627d5909

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7005376d36281e5d511468053c2877d47b39d519419fb1681487f1873a53139c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-04-21T11:36:19Z",
    "title_canon_sha256": "2cc827783a5e51ea12fafbbf723763df8f1b9bb44560935acbe52c4d0dfe5236"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05391",
    "kind": "arxiv",
    "version": 7
  }
}