Pith Number

pith:R5QZBRPC

pith:2014:R5QZBRPC2JCWQPQNZTZKXIVRGD

not attested not anchored not stored refs pending

Construction of invariant whiskered tori by a parameterization method. Part II: Quasi-periodic and almost periodic breathers in coupled map lattices

Ernest Fontich, Rafael de la Llave, Yannick Sire

arxiv:1406.1091 v1 · 2014-06-04 · 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{R5QZBRPC2JCWQPQNZTZKXIVRGD}

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	2026-05-18T02:50:30.361618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f6190c5e2d245683e0dccf2aba2b130c73356997d4a79b53fb0b82fcab0dae1

Aliases

arxiv: 1406.1091 · arxiv_version: 1406.1091v1 · doi: 10.48550/arxiv.1406.1091 · pith_short_12: R5QZBRPC2JCW · pith_short_16: R5QZBRPC2JCWQPQN · pith_short_8: R5QZBRPC

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/R5QZBRPC2JCWQPQNZTZKXIVRGD \
  | 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: 8f6190c5e2d245683e0dccf2aba2b130c73356997d4a79b53fb0b82fcab0dae1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f84a84e28f94f1b1ee5c472db24020c72cd037e711b45eb80fc36b9c3493e791",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-06-04T16:12:03Z",
    "title_canon_sha256": "c52b37a2ff4ee08d15b4bc79f95df2af7b99f11eed815157745244fcf3cf0ca5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.1091",
    "kind": "arxiv",
    "version": 1
  }
}