Pith Number

pith:CESZUBGY

pith:2011:CESZUBGYED5K2DBZM3QJCLILCN

not attested not anchored not stored refs pending

The statistics of triggered star formation: an overdensity of massive YSOs around Spitzer bubbles

J. S. Urquhart, L. K. Morgan, M. A. Thompson, T. J. T. Moore

arxiv:1111.0972 v2 · 2011-11-03 · 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{CESZUBGYED5K2DBZM3QJCLILCN}

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	2026-05-18T01:59:45.793671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11259a04d820faad0c3966e0912d0b134846b31d8a00fa91053e4bf97f1225d7

Aliases

arxiv: 1111.0972 · arxiv_version: 1111.0972v2 · doi: 10.48550/arxiv.1111.0972 · pith_short_12: CESZUBGYED5K · pith_short_16: CESZUBGYED5K2DBZ · pith_short_8: CESZUBGY

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/CESZUBGYED5K2DBZM3QJCLILCN \
  | 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: 11259a04d820faad0c3966e0912d0b134846b31d8a00fa91053e4bf97f1225d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "696081130f4538f6163752769e5540ad4989ba16b5b80a67354bee87a30049e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-11-03T20:03:23Z",
    "title_canon_sha256": "881b392af40215f632f37342afea06a2cb810719204b67b188ba2b8432b7b68e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.0972",
    "kind": "arxiv",
    "version": 2
  }
}