Pith Number

pith:FRMZUNL2

pith:2009:FRMZUNL2UTPRSV3T2SUXA3PSX5

not attested not anchored not stored refs pending

N-Body Simulations of Growth from 1 km Planetesimals at 0.4 AU

Derek C. Richardson, Jack J. Lissauer, Rory Barnes, Thomas R. Quinn

arxiv:0903.4737 v1 · 2009-03-27 · 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{FRMZUNL2UTPRSV3T2SUXA3PSX5}

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	2026-05-18T02:14:19.169440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c599a357aa4df195773d4a9706df2bf4118743e3259ca9cb38d0589e4bf2ff1

Aliases

arxiv: 0903.4737 · arxiv_version: 0903.4737v1 · doi: 10.48550/arxiv.0903.4737 · pith_short_12: FRMZUNL2UTPR · pith_short_16: FRMZUNL2UTPRSV3T · pith_short_8: FRMZUNL2

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/FRMZUNL2UTPRSV3T2SUXA3PSX5 \
  | 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: 2c599a357aa4df195773d4a9706df2bf4118743e3259ca9cb38d0589e4bf2ff1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd0d052636566629cf6311530bec0dea84560bb79e638f0c0837ac8f6d67f0d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-03-27T05:41:02Z",
    "title_canon_sha256": "2080b845ce9be1f30ab9cd994fb985231b2f036e50b5d54f8b9b7736d94fd60f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4737",
    "kind": "arxiv",
    "version": 1
  }
}