Pith Number

pith:NQTKNQOP

pith:2011:NQTKNQOPSHIOCE3MDUD2NZU2CT

not attested not anchored not stored refs pending

Modes of Star Formation in Finite Molecular Clouds

A. Pon, D. Johnstone, F. Heitsch

arxiv:1108.1395 v1 · 2011-08-05 · 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{NQTKNQOPSHIOCE3MDUD2NZU2CT}

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	2026-05-18T04:05:03.761660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c26a6c1cf91d0e1136c1d07a6e69a14fb06991b9cfd811402f052b1dba0290c

Aliases

arxiv: 1108.1395 · arxiv_version: 1108.1395v1 · doi: 10.48550/arxiv.1108.1395 · pith_short_12: NQTKNQOPSHIO · pith_short_16: NQTKNQOPSHIOCE3M · pith_short_8: NQTKNQOP

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/NQTKNQOPSHIOCE3MDUD2NZU2CT \
  | 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: 6c26a6c1cf91d0e1136c1d07a6e69a14fb06991b9cfd811402f052b1dba0290c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bf1200c124cc101faaa1bc8b849c605d97d9bd4a8ca6404cf3a8240c8982741",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-08-05T20:00:02Z",
    "title_canon_sha256": "d04f78c2975a6ff819d58b145e33e3b5504a2556c5e26b4f3118af4f48423b18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.1395",
    "kind": "arxiv",
    "version": 1
  }
}