Pith Number

pith:N3NMYCQC

pith:2014:N3NMYCQCS3FSRMD6K6GA4NYTQP

not attested not anchored not stored refs pending

A methodology for obtaining asymptotic estimates for the exponentially small splitting of separatrices to whiskered tori with quadratic frequencies

Amadeu Delshams, Marina Gonchenko, Pere Guti\'errez

arxiv:1407.6524 v1 · 2014-07-24 · 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{N3NMYCQCS3FSRMD6K6GA4NYTQP}

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	2026-05-18T02:46:38.539521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6edacc0a0296cb28b07e578c0e371383e8bdb4c39aad2a631dfbfe133b053d74

Aliases

arxiv: 1407.6524 · arxiv_version: 1407.6524v1 · doi: 10.48550/arxiv.1407.6524 · pith_short_12: N3NMYCQCS3FS · pith_short_16: N3NMYCQCS3FSRMD6 · pith_short_8: N3NMYCQC

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/N3NMYCQCS3FSRMD6K6GA4NYTQP \
  | 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: 6edacc0a0296cb28b07e578c0e371383e8bdb4c39aad2a631dfbfe133b053d74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2daa4d2cfda838fbf24e07de1b3011b81f442ae83bc9eca513dc1b25c66a8b6d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-07-24T10:55:13Z",
    "title_canon_sha256": "66f5a1f1d5d25186055f3bf8b04360fca1e1e03a52e340483bbd07a25724df12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.6524",
    "kind": "arxiv",
    "version": 1
  }
}