Pith Number

pith:2T4KY5PC

pith:2019:2T4KY5PCS7O424MUX4ENHTB3CP

not attested not anchored not stored refs pending

Massive evaluation and analysis of Poincar\'e recurrences on grids of initial data: a tool to map chaotic diffusion

Alexander V. Melnikov, Guillaume Rollin, Ivan I. Shevchenko, Jos\'e Lages

arxiv:1908.09683 v1 · 2019-08-26 · nlin.CD · astro-ph.EP · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2T4KY5PCS7O424MUX4ENHTB3CP}

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	2026-07-04T23:59:42.633403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4f8ac75e297ddcd7194bf08d3cc3b13ea2f8d1bdc8e695e64b2e1831d8110cb

Aliases

arxiv: 1908.09683 · arxiv_version: 1908.09683v1 · doi: 10.48550/arxiv.1908.09683 · pith_short_12: 2T4KY5PCS7O4 · pith_short_16: 2T4KY5PCS7O424MU · pith_short_8: 2T4KY5PC

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/2T4KY5PCS7O424MUX4ENHTB3CP \
  | 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: d4f8ac75e297ddcd7194bf08d3cc3b13ea2f8d1bdc8e695e64b2e1831d8110cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d06203f979aea5175e8f2f8eda10af17b51e12d5b6d054606cb0c03d6b889fc",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2019-08-26T13:47:51Z",
    "title_canon_sha256": "2d7b386559c11ee6ccf0b6397fb13649c1ac2978517e3344a7e3fd16ee24d733"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09683",
    "kind": "arxiv",
    "version": 1
  }
}