Pith Number

pith:CVQJ4JBW

pith:2018:CVQJ4JBWGQCUWNOV7HRMNB6IYF

not attested not anchored not stored refs pending

Splitting of the separatrices after a Hamiltonian-Hopf bifurcation under periodic forcing

A. Vieiro, C. Sim\'o, E. Fontich

arxiv:1809.08434 v1 · 2018-09-22 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CVQJ4JBWGQCUWNOV7HRMNB6IYF}

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	2026-05-17T23:47:30.238540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15609e243634054b35d5f9e2c687c8c15714229f6d79ebabd853c19ce522ef8d

Aliases

arxiv: 1809.08434 · arxiv_version: 1809.08434v1 · doi: 10.48550/arxiv.1809.08434 · pith_short_12: CVQJ4JBWGQCU · pith_short_16: CVQJ4JBWGQCUWNOV · pith_short_8: CVQJ4JBW

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/CVQJ4JBWGQCUWNOV7HRMNB6IYF \
  | 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: 15609e243634054b35d5f9e2c687c8c15714229f6d79ebabd853c19ce522ef8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1b63b1f79cc97d5d4b6bd145796bd3b4c1c8483d79696330e59f5c34b4b751e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-09-22T13:18:49Z",
    "title_canon_sha256": "48b759b996ea3fa36a577779ea37970120dd59caf5dfe13a23f1610aa173ee89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08434",
    "kind": "arxiv",
    "version": 1
  }
}