Pith Number

pith:CIHAFRQC

pith:2017:CIHAFRQC3WJSMCODAVSZ2VPUF5

not attested not anchored not stored refs pending

Separatrix crossing in rotation of a body with changing geometry of masses

Anatoly Neishtadt, Jinrong Bao

arxiv:1712.05357 v2 · 2017-12-14 · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CIHAFRQC3WJSMCODAVSZ2VPUF5}

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	2026-05-18T00:19:02.885198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

120e02c602dd932609c305659d55f42f4356ac03b4b1442e9a1ee11eaba7bcd6

Aliases

arxiv: 1712.05357 · arxiv_version: 1712.05357v2 · doi: 10.48550/arxiv.1712.05357 · pith_short_12: CIHAFRQC3WJS · pith_short_16: CIHAFRQC3WJSMCOD · pith_short_8: CIHAFRQC

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/CIHAFRQC3WJSMCODAVSZ2VPUF5 \
  | 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: 120e02c602dd932609c305659d55f42f4356ac03b4b1442e9a1ee11eaba7bcd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e804803a068bb76b8a530f5dfd4006a2d64a3a3e1fcefa7402dc50cfd7c53d89",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2017-12-14T17:36:36Z",
    "title_canon_sha256": "5e7b9955085b8ddcb4db5a9ad9de8e8156e0365109136b750af7a73f3aeac2a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05357",
    "kind": "arxiv",
    "version": 2
  }
}