Pith Number

pith:SJ4USYUZ

pith:2023:SJ4USYUZS7Y3IXJSRD3HUAXQ6R

not attested not anchored not stored refs pending

Oort Cloud Comets Discovered Far from the Sun

Luke Dones, Ma{\l}gorzata Kr\'olikowska

arxiv:2308.03886 v1 · 2023-08-07 · 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{SJ4USYUZS7Y3IXJSRD3HUAXQ6R}

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	2026-07-05T07:01:44.230076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

927949629997f1b45d3288f67a02f0f47cd36360baef51e260b5cd146cb473ab

Aliases

arxiv: 2308.03886 · arxiv_version: 2308.03886v1 · doi: 10.48550/arxiv.2308.03886 · pith_short_12: SJ4USYUZS7Y3 · pith_short_16: SJ4USYUZS7Y3IXJS · pith_short_8: SJ4USYUZ

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/SJ4USYUZS7Y3IXJSRD3HUAXQ6R \
  | 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: 927949629997f1b45d3288f67a02f0f47cd36360baef51e260b5cd146cb473ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f52e154b59e2c040e823a19d659fdfc03d576c56b51ddc72885ef523203224ac",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2023-08-07T19:33:56Z",
    "title_canon_sha256": "540b4791f45b3c8ccd4f480a2ca3dd97bb36897706031340182ee0396356ff04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.03886",
    "kind": "arxiv",
    "version": 1
  }
}