Pith Number

pith:4ATJ7KML

pith:2020:4ATJ7KMLYGOZFIH4GZ7QAL4QQB

not attested not anchored not stored refs pending

ALMA Observations of Massive Clouds in the Central Molecular Zone: Jeans Fragmentation and Cluster Formation

Adam Ginsburg, Cara Battersby, Daniel L. Walker, J. M. Diederik Kruijssen, Qizhou Zhang, Steven N. Longmore, Xing Lu, Yu Cheng

arxiv:2004.09532 v2 · 2020-04-20 · 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{4ATJ7KMLYGOZFIH4GZ7QAL4QQB}

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	2026-07-05T01:04:23.348751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0269fa98bc19d92a0fc367f002f90805d2af85f0a185547da440221b982b2a5

Aliases

arxiv: 2004.09532 · arxiv_version: 2004.09532v2 · doi: 10.48550/arxiv.2004.09532 · pith_short_12: 4ATJ7KMLYGOZ · pith_short_16: 4ATJ7KMLYGOZFIH4 · pith_short_8: 4ATJ7KML

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/4ATJ7KMLYGOZFIH4GZ7QAL4QQB \
  | 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: e0269fa98bc19d92a0fc367f002f90805d2af85f0a185547da440221b982b2a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d4b996ef43f76b0af9d17b60cfdf8009583606e234dd6f7b07f2c5a9f78aeef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-04-20T18:00:05Z",
    "title_canon_sha256": "4ccb5cf5a3d2a4aaa715802973a773b5c1c0034f9691e8e81e0dd060e7e49330"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.09532",
    "kind": "arxiv",
    "version": 2
  }
}