Pith Number

pith:HD3SSFUJ

pith:2025:HD3SSFUJG5R3R5UTUP6PKAKQUR

not attested not anchored not stored refs pending

A Spiral Structure in the Inner Oort Cloud

Carter Emmart, Cristian Beauge, David Nesvorny, David Vokrouhlicky, Hal F. Levison, Jacqueline Faherty, Jon P. Parker, Luke Dones

arxiv:2502.11252 v1 · 2025-02-16 · astro-ph.EP · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HD3SSFUJG5R3R5UTUP6PKAKQUR}

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	2026-07-05T10:15:05.755838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38f72916893763b8f693a3fcf50150a4455ac3203b574b318e88a48d27c7f77c

Aliases

arxiv: 2502.11252 · arxiv_version: 2502.11252v1 · doi: 10.48550/arxiv.2502.11252 · pith_short_12: HD3SSFUJG5R3 · pith_short_16: HD3SSFUJG5R3R5UT · pith_short_8: HD3SSFUJ

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/HD3SSFUJG5R3R5UTUP6PKAKQUR \
  | 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: 38f72916893763b8f693a3fcf50150a4455ac3203b574b318e88a48d27c7f77c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03a24b377734e7a33f02957e98cc0a4ab561a12cb8b54f54d3c54306032a2f6b",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-02-16T20:11:43Z",
    "title_canon_sha256": "2635b59b3835eb77ffc2dc091cb5e2911a3080bda858004355b4200a6d5d5295"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.11252",
    "kind": "arxiv",
    "version": 1
  }
}