Pith Number

pith:3FSUXQXR

pith:2019:3FSUXQXRJPHKVK5FVGQ34VGDJE

not attested not anchored not stored refs pending

Secular spin-axis dynamics of exoplanets

Gwena\"el Bou\'e, Jacques Laskar, Melaine Saillenfest

arxiv:1901.02831 v1 · 2019-01-09 · 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{3FSUXQXRJPHKVK5FVGQ34VGDJE}

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	2026-05-17T23:52:38.725680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9654bc2f14bceaaaba5a9a1be54c3492671281938b273897e43eaab8f1d42ce

Aliases

arxiv: 1901.02831 · arxiv_version: 1901.02831v1 · doi: 10.48550/arxiv.1901.02831 · pith_short_12: 3FSUXQXRJPHK · pith_short_16: 3FSUXQXRJPHKVK5F · pith_short_8: 3FSUXQXR

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/3FSUXQXRJPHKVK5FVGQ34VGDJE \
  | 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: d9654bc2f14bceaaaba5a9a1be54c3492671281938b273897e43eaab8f1d42ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19a710523b237b9951b931d8a5fd4a5ae65a5154aee80e799af781f8e1cc7e55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-01-09T17:08:50Z",
    "title_canon_sha256": "26bdcf3d1e5152ba7b9ad3413073afaef577ebeaa86e1a5503b3bf7d6ab78bc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02831",
    "kind": "arxiv",
    "version": 1
  }
}