pith. sign in
Pith Number

pith:ZJJ7IADG

pith:2016:ZJJ7IADGZQ5LHWIQE2XELCIJ4C
not attested not anchored not stored refs pending

Spectrum of a Rudin-Shapiro-like sequence

Lax Chan, Uwe Grimm

arxiv:1611.04446 v1 · 2016-11-14 · math.DS · math-ph · math.MP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ZJJ7IADGZQ5LHWIQE2XELCIJ4C}

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 2026-05-18T00:47:33.455791Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ca53f40066cc3ab3d91026ae458909e086e246999111ba0efab72a3889ea1397

Aliases

arxiv: 1611.04446 · arxiv_version: 1611.04446v1 · doi: 10.48550/arxiv.1611.04446 · pith_short_12: ZJJ7IADGZQ5L · pith_short_16: ZJJ7IADGZQ5LHWIQ · pith_short_8: ZJJ7IADG
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZJJ7IADGZQ5LHWIQE2XELCIJ4C \
  | 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: ca53f40066cc3ab3d91026ae458909e086e246999111ba0efab72a3889ea1397
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f2a87f3872d5f3b6a81251bcc17b6553b88de971ff2097fea9d02f6673c850a3",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2016-11-14T16:27:22Z",
    "title_canon_sha256": "39f6410ff94a195f5b748215f182d009a0a0fd545126d915a7e3d6013aa197b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.04446",
    "kind": "arxiv",
    "version": 1
  }
}