Pith Number

pith:TZMF4SUU

pith:2017:TZMF4SUUZ3YYMIE7AATCKK66FA

not attested not anchored not stored refs pending

Supernova Driving. IV. The Star Formation Rate of Molecular Clouds

{\AA}ke Nordlund, Paolo Padoan, S{\o}ren Frimann, Troels Haugb{\o}lle

arxiv:1702.07270 v2 · 2017-02-23 · 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{TZMF4SUUZ3YYMIE7AATCKK66FA}

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	2026-05-18T00:44:51.502926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e585e4a94cef186209f0026252bde283e7dbd4afaeeb4b17bb28bc48659d4f0

Aliases

arxiv: 1702.07270 · arxiv_version: 1702.07270v2 · doi: 10.48550/arxiv.1702.07270 · pith_short_12: TZMF4SUUZ3YY · pith_short_16: TZMF4SUUZ3YYMIE7 · pith_short_8: TZMF4SUU

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/TZMF4SUUZ3YYMIE7AATCKK66FA \
  | 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: 9e585e4a94cef186209f0026252bde283e7dbd4afaeeb4b17bb28bc48659d4f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a36bbbda34b5ecabae429cfcc7618ab532ed1eb46c9c8c61970330ca55beb307",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-02-23T15:59:28Z",
    "title_canon_sha256": "dbf88d47c544833ed6f7c7ae0ef9f8a86baeddc3e70267d1b097221a90c0d215"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07270",
    "kind": "arxiv",
    "version": 2
  }
}