Pith Number

pith:JGGW7FXF

pith:2006:JGGW7FXF7AMMA2U5ZKPLUD5MCN

not attested not anchored not stored refs pending

A Model of Cloud Fragmentation

Eric G. Blackman, Eric Keto, George B. Field

arxiv:astro-ph/0601574 v4 · 2006-01-25 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JGGW7FXF7AMMA2U5ZKPLUD5MCN}

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	2026-07-04T15:04:57.261261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

498d6f96e5f818c06a9dca9eba0fac13423d2966658f625a035d026daf99fa36

Aliases

arxiv: astro-ph/0601574 · arxiv_version: astro-ph/0601574v4 · doi: 10.48550/arxiv.astro-ph/0601574 · pith_short_12: JGGW7FXF7AMM · pith_short_16: JGGW7FXF7AMMA2U5 · pith_short_8: JGGW7FXF

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/JGGW7FXF7AMMA2U5ZKPLUD5MCN \
  | 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: 498d6f96e5f818c06a9dca9eba0fac13423d2966658f625a035d026daf99fa36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed4798d1ceff2f02c32d701cd6a078bada0ea6a616a5e5ab0c4f1551c2fb81df",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-01-25T16:46:53Z",
    "title_canon_sha256": "c810a57424b97c436415f29004313a5df40e49ad76b9706b14eda2b7e4cfd164"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0601574",
    "kind": "arxiv",
    "version": 4
  }
}