Pith Number

pith:G5AITWZ4

pith:2019:G5AITWZ4TYHELKHPIB2R77OHXX

not attested not anchored not stored refs pending

H$\alpha$ Morphologies of Star Clusters: A LEGUS study of HII region evolution timescales and stochasticity in low mass clusters

A. Adamo, A. Aloisi, A. Herrero, A. Wofford, B.C. Whitmore, B. Mobasher, D.A. Gouliermis, D.A. Hunter, D. Calzetti, D. Dale, D.M. Elmegreen, D.O. Cook, D. Thilker, E.K. Grebel, E. Sacchi, H. Kim, Janice C. Lee, J. Turner, K.E. Johnson, K. Grasha, L. Della Bruna, L. Smith, M. Cignoni, R.A.M. Walterbos, R. Chandar, R. Kennicutt, S. Deger, Stephen Hannon

arxiv:1910.02983 v2 · 2019-10-07 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G5AITWZ4TYHELKHPIB2R77OHXX}

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	2026-07-05T00:13:58.749687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

374089db3c9e0e45a8ef40751ffdc7bdd0e3487c8353de4182c9c3b25d24eeda

Aliases

arxiv: 1910.02983 · arxiv_version: 1910.02983v2 · doi: 10.48550/arxiv.1910.02983 · pith_short_12: G5AITWZ4TYHE · pith_short_16: G5AITWZ4TYHELKHP · pith_short_8: G5AITWZ4

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/G5AITWZ4TYHELKHPIB2R77OHXX \
  | 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: 374089db3c9e0e45a8ef40751ffdc7bdd0e3487c8353de4182c9c3b25d24eeda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b733771af0bd150c4ff8ce2cc45fd11c0c7a33b26f1debcde5461bb49a57ac17",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-10-07T18:07:44Z",
    "title_canon_sha256": "01e36f54a1a2f23676b00524998d49aae1243c7c333ec823678b145f41482a24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.02983",
    "kind": "arxiv",
    "version": 2
  }
}