Pith Number

pith:D5OYXEGK

pith:1998:D5OYXEGKX7FEWESJGBMKFVVA24

not attested not anchored not stored refs pending

Migrating Planets

Brad Hansen, Canada), Matt Holman, Norm Murray, Scott Tremaine (Canadian Institute for Theoretical Astrophysics, University of Toronto

arxiv:astro-ph/9801138 v2 · 1998-01-14 · 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{D5OYXEGKX7FEWESJGBMKFVVA24}

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	2026-05-18T04:27:27.303713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f5d8b90cabfca4b12493058a2d6a0d72faa3fb56f11e749bfd571cce4a2cf24

Aliases

arxiv: astro-ph/9801138 · arxiv_version: astro-ph/9801138v2 · doi: 10.48550/arxiv.astro-ph/9801138 · pith_short_12: D5OYXEGKX7FE · pith_short_16: D5OYXEGKX7FEWESJ · pith_short_8: D5OYXEGK

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/D5OYXEGKX7FEWESJGBMKFVVA24 \
  | 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: 1f5d8b90cabfca4b12493058a2d6a0d72faa3fb56f11e749bfd571cce4a2cf24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f19eaca4ba1474bf69e19b909bd6fc8b92dfa4829ca4a6a0a7c268b27509d9bf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-01-14T20:16:30Z",
    "title_canon_sha256": "ca29dd1eea8455db85b43228677e6c6ae811565ecb7ac64b02625cc7f40d98ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9801138",
    "kind": "arxiv",
    "version": 2
  }
}