Pith Number

pith:G2F76LTH

pith:2010:G2F76LTHLO35T7GVDSXA2PY35F

not attested not anchored not stored refs pending

How Many Infrared Dark Clouds can form Massive Stars and Clusters?

(2) Caltech Astronomy Department), Jens Kauffmann (1), Thushara Pillai (2) ((1) Jet Propulsion Lab

arxiv:1009.1617 v1 · 2010-09-08 · 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{G2F76LTHLO35T7GVDSXA2PY35F}

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	2026-05-18T02:05:34.915639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

368bff2e675bb7d9fcd51cae0d3f1be969cf8049215d675fc27e41f05725ff05

Aliases

arxiv: 1009.1617 · arxiv_version: 1009.1617v1 · doi: 10.48550/arxiv.1009.1617 · pith_short_12: G2F76LTHLO35 · pith_short_16: G2F76LTHLO35T7GV · pith_short_8: G2F76LTH

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/G2F76LTHLO35T7GVDSXA2PY35F \
  | 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: 368bff2e675bb7d9fcd51cae0d3f1be969cf8049215d675fc27e41f05725ff05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a1a592c10f88e96531db0f094279f3afb8acb572fba1c6814c46c7e95c0b8a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-09-08T20:00:01Z",
    "title_canon_sha256": "5c42aba3cdf69ba8f649bcb0d96f3a74e1f8923bfcea8cec393cfc562a2fda20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.1617",
    "kind": "arxiv",
    "version": 1
  }
}