Pith Number

pith:LDUPDUGF

pith:2004:LDUPDUGFTO3D567S6IZLK2RMJF

not attested not anchored not stored refs pending

The formation of Kuiper-belt Binaries through Exchange Reactions

(2) Institute for Advanced Study, (3) National Adtronomical Observatory, (4) National Central University, Daisuke Kinoshita (4) ((1) University of Tokyo, Eiichiro Kokubo (3), Japan, Junichiro Makino (1), Piet Hut (2), Taiwan), Yoko Funato (1)

arxiv:astro-ph/0402328 v1 · 2004-02-13 · 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{LDUPDUGFTO3D567S6IZLK2RMJF}

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	2026-05-18T01:40:37.340730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58e8f1d0c59bb63efbf2f232b56a2c495e1a54634cb1fd73f2d979e038edf21e

Aliases

arxiv: astro-ph/0402328 · arxiv_version: astro-ph/0402328v1 · doi: 10.48550/arxiv.astro-ph/0402328 · pith_short_12: LDUPDUGFTO3D · pith_short_16: LDUPDUGFTO3D567S · pith_short_8: LDUPDUGF

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/LDUPDUGFTO3D567S6IZLK2RMJF \
  | 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: 58e8f1d0c59bb63efbf2f232b56a2c495e1a54634cb1fd73f2d979e038edf21e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7119ba0be09b63a3e76babe83b2551de53477b243b24e3b4270eec2bcc1f6c3a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-02-13T08:21:56Z",
    "title_canon_sha256": "7f212da58e3fada2207b37192dbf11060bfa01dbcf14dac53d4dbee43dbe41b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0402328",
    "kind": "arxiv",
    "version": 1
  }
}