Pith Number

pith:E4EFQNFL

pith:2009:E4EFQNFLASAPLW4ZD52H7CTJRP

not attested not anchored not stored refs pending

N-Body Simulation of Planetesimal Formation through Gravitational Instability and Coagulation. II. Accretion Model

Eiichiro Kokubo, Shugo Michikoshi, Shu-ichiro Inutsuka

arxiv:0908.3546 v1 · 2009-08-25 · 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{E4EFQNFLASAPLW4ZD52H7CTJRP}

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	2026-05-18T02:12:23.348387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27085834ab0480f5db991f747f8a698bec9fe4667168fa3e29514a3c02045597

Aliases

arxiv: 0908.3546 · arxiv_version: 0908.3546v1 · doi: 10.48550/arxiv.0908.3546 · pith_short_12: E4EFQNFLASAP · pith_short_16: E4EFQNFLASAPLW4Z · pith_short_8: E4EFQNFL

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/E4EFQNFLASAPLW4ZD52H7CTJRP \
  | 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: 27085834ab0480f5db991f747f8a698bec9fe4667168fa3e29514a3c02045597

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d27716158aaa24ad45c128526464de4e8bb2678ff350ea7dbe4e5daee38be6b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-08-25T06:40:44Z",
    "title_canon_sha256": "02005a584e091308f2eba6368d94d5b1f6cdaf0cbd542114d7feab96e4da52e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.3546",
    "kind": "arxiv",
    "version": 1
  }
}