Pith Number

pith:IBYTQ26J

pith:2006:IBYTQ26J6D6IYVPXGGQDSMB3PP

not attested not anchored not stored refs pending

Computing secular motion under slowly rotating quadratic perturbation

P. Nurmi, S. Mikkola

arxiv:astro-ph/0606221 v1 · 2006-06-09 · 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{IBYTQ26J6D6IYVPXGGQDSMB3PP}

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	2026-05-18T01:40:30.194496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4071386bc9f0fc8c55f731a039303b7beac2df049693a0de112f2c1e5efc62fc

Aliases

arxiv: astro-ph/0606221 · arxiv_version: astro-ph/0606221v1 · doi: 10.48550/arxiv.astro-ph/0606221 · pith_short_12: IBYTQ26J6D6I · pith_short_16: IBYTQ26J6D6IYVPX · pith_short_8: IBYTQ26J

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/IBYTQ26J6D6IYVPXGGQDSMB3PP \
  | 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: 4071386bc9f0fc8c55f731a039303b7beac2df049693a0de112f2c1e5efc62fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd523bfb90f5c302173515df4dfde51450d93b7e94d45ecfdc4cab5b6fd515ee",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-06-09T08:03:40Z",
    "title_canon_sha256": "79d6a34f4b450aa253fb0ec38957f92ea61665673a6c5b51537e1355e9835ed9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0606221",
    "kind": "arxiv",
    "version": 1
  }
}