Pith Number

pith:YTR5YTLX

pith:2017:YTR5YTLXSPYOGUNCLFO6SDSQD3

not attested not anchored not stored refs pending

Periodic orbits in the restricted three-body problem and Arnold's $J^+$-invariant

Kai Cieliebak, Otto van Koert, Urs Frauenfelder

arxiv:1704.08568 v1 · 2017-04-27 · math.SG · math.DS · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YTR5YTLXSPYOGUNCLFO6SDSQD3}

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	2026-05-18T00:01:23.631267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4e3dc4d7793f0e351a2595de90e501efdd85b61f3ca1bc373ef02db777b071a

Aliases

arxiv: 1704.08568 · arxiv_version: 1704.08568v1 · doi: 10.48550/arxiv.1704.08568 · pith_short_12: YTR5YTLXSPYO · pith_short_16: YTR5YTLXSPYOGUNC · pith_short_8: YTR5YTLX

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/YTR5YTLXSPYOGUNCLFO6SDSQD3 \
  | 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: c4e3dc4d7793f0e351a2595de90e501efdd85b61f3ca1bc373ef02db777b071a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b955a1b5fdaaebc899fe3ea83af58266133eb382de3c5675a2cee0fa9feea09e",
    "cross_cats_sorted": [
      "math.DS",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2017-04-27T13:42:17Z",
    "title_canon_sha256": "b20a4daef60c3bed9b596c1d3d338e86009381d00927cf52566c34c18debee07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08568",
    "kind": "arxiv",
    "version": 1
  }
}