Pith Number

pith:O4XZ7JKU

pith:1998:O4XZ7JKU4OSROQ55VG6VULPF53

not attested not anchored not stored refs pending

Accretion in the Early Kuiper Belt I. Coagulation and Velocity Evolution

Harvard University), Jane X. Luu (Department of Astronomy, Scott J. Kenyon (Harvard-Smithsonian Center for Astrophysics)

arxiv:astro-ph/9804185 v1 · 1998-04-18 · 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{O4XZ7JKU4OSROQ55VG6VULPF53}

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	2026-05-18T01:07:37.601446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

772f9fa554e3a51743bda9bd5a2de5eee8590139f715bd714d07a179f8d933e3

Aliases

arxiv: astro-ph/9804185 · arxiv_version: astro-ph/9804185v1 · doi: 10.48550/arxiv.astro-ph/9804185 · pith_short_12: O4XZ7JKU4OSR · pith_short_16: O4XZ7JKU4OSROQ55 · pith_short_8: O4XZ7JKU

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/O4XZ7JKU4OSROQ55VG6VULPF53 \
  | 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: 772f9fa554e3a51743bda9bd5a2de5eee8590139f715bd714d07a179f8d933e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5264a35ceccb29388118a0260a3250c5aee2c566af920d4eddc76c2f07be0282",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-04-18T19:41:56Z",
    "title_canon_sha256": "c4ea0eefa177f1533d8b2868a8008b7307004f960d5d2a70205f833fe68b50e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9804185",
    "kind": "arxiv",
    "version": 1
  }
}