pith. sign in
Pith Number

pith:4FANEKPU

pith:2015:4FANEKPUXHR6JU7GJ355LMUORU
not attested not anchored not stored refs pending

Measuring quasiperiodicity

Chris B. Dock, Evelyn Sander, James A. Yorke, Jin Wu, Martin Salgado-Flores, Suddhasattwa Das, Yoshitaka Saiki

arxiv:1512.07286 v2 · 2015-12-22 · math-ph · math.MP · nlin.CD

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4FANEKPUXHR6JU7GJ355LMUORU}

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 2026-05-18T00:24:54.542685Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e140d229f4b9e3e4d3e64efbd5b28e8d0b4bcc328e9f4f0651da225524cbd60e

Aliases

arxiv: 1512.07286 · arxiv_version: 1512.07286v2 · doi: 10.48550/arxiv.1512.07286 · pith_short_12: 4FANEKPUXHR6 · pith_short_16: 4FANEKPUXHR6JU7G · pith_short_8: 4FANEKPU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4FANEKPUXHR6JU7GJ355LMUORU \
  | 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: e140d229f4b9e3e4d3e64efbd5b28e8d0b4bcc328e9f4f0651da225524cbd60e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "340decb75354a2081e21c37dcab9b4cc71ac42767a04355f86d616625135f38c",
    "cross_cats_sorted": [
      "math.MP",
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-12-22T22:34:12Z",
    "title_canon_sha256": "33c7090b7ca9266d10f7a4047be26b7555da260f0014c2552b9d5fa48e5fbc3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.07286",
    "kind": "arxiv",
    "version": 2
  }
}