Pith Number

pith:2N7P7XTA

pith:2011:2N7P7XTAEN35RIVBLASHG6U4WJ

not attested not anchored not stored refs pending

Finding the Rikitake's attractors by parameter switching

M.-F. Danca, S. Codreanu

arxiv:1102.2164 v1 · 2011-02-10 · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2N7P7XTAEN35RIVBLASHG6U4WJ}

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	2026-05-18T02:22:38.932671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d37effde602377d8a2a15824737a9cb25302e2e02fffa50cd052ce34e7b21df5

Aliases

arxiv: 1102.2164 · arxiv_version: 1102.2164v1 · doi: 10.48550/arxiv.1102.2164 · pith_short_12: 2N7P7XTAEN35 · pith_short_16: 2N7P7XTAEN35RIVB · pith_short_8: 2N7P7XTA

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/2N7P7XTAEN35RIVBLASHG6U4WJ \
  | 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: d37effde602377d8a2a15824737a9cb25302e2e02fffa50cd052ce34e7b21df5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "474acd7794033484a0effaf3d8e77ab513906e65bd63738c0a2728e8e0d85fff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2011-02-10T16:26:03Z",
    "title_canon_sha256": "adcd0a92bcf5da6d65293ad6526736e548f6b9f3642987c03038e25dd5c5a04e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.2164",
    "kind": "arxiv",
    "version": 1
  }
}