Pith Number

pith:ZVWV7U3I

pith:2013:ZVWV7U3INRHEP63X5JSH5NZLG4

not attested not anchored not stored refs pending

SMACK: A New Algorithm for Modeling Collisions and Dynamics of Planetesimals in Debris Disks

Erika R. Nesvold, Hanno Rein, Marc J. Kuchner, Margaret Pan

arxiv:1309.2289 v1 · 2013-09-09 · 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{ZVWV7U3INRHEP63X5JSH5NZLG4}

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	2026-05-18T03:09:11.295008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd6d5fd3686c4e47fb77ea647eb72b371958b8ae4e24ee242efae2d39778aca4

Aliases

arxiv: 1309.2289 · arxiv_version: 1309.2289v1 · doi: 10.48550/arxiv.1309.2289 · pith_short_12: ZVWV7U3INRHE · pith_short_16: ZVWV7U3INRHEP63X · pith_short_8: ZVWV7U3I

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/ZVWV7U3INRHEP63X5JSH5NZLG4 \
  | 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: cd6d5fd3686c4e47fb77ea647eb72b371958b8ae4e24ee242efae2d39778aca4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6ed3c96b145462544d1867462e59c320be135ae94fd0c3cac989733e9d2e6da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-09-09T20:00:02Z",
    "title_canon_sha256": "f2955c3f3a8a3a32c7eb5213dcfb41464b2e5a8dc2b96e5a247c636fe23b6d32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2289",
    "kind": "arxiv",
    "version": 1
  }
}