Pith Number

pith:N2JNVIT2

pith:2019:N2JNVIT2FL4GWOATV4P7B3YCKG

not attested not anchored not stored refs pending

On the maximum order complexity of subsequences of the Thue-Morse and Rudin-Shapiro sequence along squares

Arne Winterhof, Zhimin Sun

arxiv:1910.13763 v1 · 2019-10-30 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N2JNVIT2FL4GWOATV4P7B3YCKG}

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	2026-07-05T00:15:55.740584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e92daa27a2af86b3813af1ff0ef0251a090da571d54223faf617e6301cd32eb

Aliases

arxiv: 1910.13763 · arxiv_version: 1910.13763v1 · doi: 10.48550/arxiv.1910.13763 · pith_short_12: N2JNVIT2FL4G · pith_short_16: N2JNVIT2FL4GWOAT · pith_short_8: N2JNVIT2

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/N2JNVIT2FL4GWOATV4P7B3YCKG \
  | 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: 6e92daa27a2af86b3813af1ff0ef0251a090da571d54223faf617e6301cd32eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cb468ad7c53591585ef58aebef65ae325229a984791f15b8d421a578d1994ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-10-30T10:44:10Z",
    "title_canon_sha256": "1baa04a7161b508823abb2700e930007b0a76011a404543052294401d2a52518"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.13763",
    "kind": "arxiv",
    "version": 1
  }
}