Pith Number

pith:Q63XCCRN

pith:2011:Q63XCCRNL7OVGEE4DXEVX4ZJ3W

not attested not anchored not stored refs pending

VLA and ATCA Search for Natal Star Clusters in Nearby Star-Forming Galaxies

Alan Aversa, Crystal Brogan, D. J. Pisano, Kelsey Johnson, W. Goss

arxiv:1102.0412 v1 · 2011-02-02 · 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{Q63XCCRNL7OVGEE4DXEVX4ZJ3W}

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	2026-05-18T04:27:03.485417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87b7710a2d5fdd53109c1dc95bf329dd871da50ecb3b8c2dc6c5c8da600dccbe

Aliases

arxiv: 1102.0412 · arxiv_version: 1102.0412v1 · doi: 10.48550/arxiv.1102.0412 · pith_short_12: Q63XCCRNL7OV · pith_short_16: Q63XCCRNL7OVGEE4 · pith_short_8: Q63XCCRN

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/Q63XCCRNL7OVGEE4DXEVX4ZJ3W \
  | 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: 87b7710a2d5fdd53109c1dc95bf329dd871da50ecb3b8c2dc6c5c8da600dccbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c57598c44ddce9346ec1dd24793b42c1b755bab0c8af440c19454c1a3b56c5a",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-02-02T12:12:39Z",
    "title_canon_sha256": "d8e87e500a002d056d1914fd8e17a5ed9105404b57deea0329e6ff51811f6382"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0412",
    "kind": "arxiv",
    "version": 1
  }
}