Pith Number

pith:XZYGIWGU

pith:2025:XZYGIWGUX6IIASAQ3WW3VNHJHP

not attested not anchored not stored refs pending

Polydisperse Formation of Planetesimals: The dust size distribution in clumps

Hossam Aly, Jip Matthijsse, Sijme-Jan Paardekooper

arxiv:2502.01752 v1 · 2025-02-03 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XZYGIWGUX6IIASAQ3WW3VNHJHP}

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	2026-07-05T10:33:43.708928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be706458d4bf90804810ddadbab4e93bc75183789376e854f4deb17d355550d0

Aliases

arxiv: 2502.01752 · arxiv_version: 2502.01752v1 · doi: 10.48550/arxiv.2502.01752 · pith_short_12: XZYGIWGUX6II · pith_short_16: XZYGIWGUX6IIASAQ · pith_short_8: XZYGIWGU

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/XZYGIWGUX6IIASAQ3WW3VNHJHP \
  | 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: be706458d4bf90804810ddadbab4e93bc75183789376e854f4deb17d355550d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d517c83ce50341019c7d7e8d539f4c3006dc01029d657c7ea2c00286eb52a1f4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-02-03T19:00:32Z",
    "title_canon_sha256": "de737762c79d8b3f6352fd4c3512a81e983bb96cfc2be45c81361735b981d5e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.01752",
    "kind": "arxiv",
    "version": 1
  }
}