Pith Number

pith:3ZQNX7IS

pith:2017:3ZQNX7ISFFJTMXUHMOLHDYO3KE

not attested not anchored not stored refs pending

Fragmentation of vertically stratified gaseous layers: monolithic or coalescence-driven collapse

Anthony P. Whitworth, Franti\v{s}ek Dinnbier, Jan Palou\v{s}, Richard W\"unsch

arxiv:1701.02778 v1 · 2017-01-10 · 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{3ZQNX7ISFFJTMXUHMOLHDYO3KE}

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	2026-05-18T00:53:00.183299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de60dbfd122953365e87639671e1db510c8a83455a4aa202d3f48b9aeed394f4

Aliases

arxiv: 1701.02778 · arxiv_version: 1701.02778v1 · doi: 10.48550/arxiv.1701.02778 · pith_short_12: 3ZQNX7ISFFJT · pith_short_16: 3ZQNX7ISFFJTMXUH · pith_short_8: 3ZQNX7IS

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/3ZQNX7ISFFJTMXUHMOLHDYO3KE \
  | 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: de60dbfd122953365e87639671e1db510c8a83455a4aa202d3f48b9aeed394f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d77b8e477d6ddb88fba01629de421dab8318b083c7b3fe358208fe68ac170910",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-01-10T20:29:44Z",
    "title_canon_sha256": "815cdc6b8b8c09576a647fb2929d2a73a1ac3afae2e94e17763d2c7352514b18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.02778",
    "kind": "arxiv",
    "version": 1
  }
}