Pith Number

pith:NN5KNFIG

pith:2016:NN5KNFIGY3V7PFODRFT3G6PH4Y

not attested not anchored not stored refs pending

Finite dimensional invariant KAM tori for tame vector fields

Livia Corsi, Michela Procesi, Roberto Feola

arxiv:1611.01641 v2 · 2016-11-05 · math.DS · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NN5KNFIGY3V7PFODRFT3G6PH4Y}

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	2026-05-18T00:44:18.748857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b7aa69506c6ebf795c38967b379e7e63f234554023f95275ed86295cf450f60

Aliases

arxiv: 1611.01641 · arxiv_version: 1611.01641v2 · doi: 10.48550/arxiv.1611.01641 · pith_short_12: NN5KNFIGY3V7 · pith_short_16: NN5KNFIGY3V7PFOD · pith_short_8: NN5KNFIG

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/NN5KNFIGY3V7PFODRFT3G6PH4Y \
  | 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: 6b7aa69506c6ebf795c38967b379e7e63f234554023f95275ed86295cf450f60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7dc59a19d21bf8c19759e90e5d89f514dae90fd8427e8aaeb671b76756cc63e",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2016-11-05T12:47:25Z",
    "title_canon_sha256": "fccb0787ced9258df91a03bfc959b273e0faea31e7994ff98ae56ff91105f870"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.01641",
    "kind": "arxiv",
    "version": 2
  }
}