Pith Number

pith:7EXBMJIP

pith:2004:7EXBMJIP6VI7BMIKEBGBNQXWOB

not attested not anchored not stored refs pending

Shaping the Kuiper belt size spectrum by shattering large but strengthless bodies

Margaret Pan, Re'em Sari (CALTECH)

arxiv:astro-ph/0402138 v1 · 2004-02-06 · 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{7EXBMJIP6VI7BMIKEBGBNQXWOB}

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	2026-07-04T16:42:58.788047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f92e16250ff551f0b10a204c16c2f6705d33376864a78d0a575bd7cc673d7e62

Aliases

arxiv: astro-ph/0402138 · arxiv_version: astro-ph/0402138v1 · doi: 10.48550/arxiv.astro-ph/0402138 · pith_short_12: 7EXBMJIP6VI7 · pith_short_16: 7EXBMJIP6VI7BMIK · pith_short_8: 7EXBMJIP

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/7EXBMJIP6VI7BMIKEBGBNQXWOB \
  | 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: f92e16250ff551f0b10a204c16c2f6705d33376864a78d0a575bd7cc673d7e62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00b298cbb2daf3c27cc924525268d53ab6b56cdba3861cc6b883815563084646",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-02-06T02:23:19Z",
    "title_canon_sha256": "9ba9875418190ce0bfaa9e0de0b307c5e57abce8cdb097dd8a5e20042dff80fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0402138",
    "kind": "arxiv",
    "version": 1
  }
}