Pith Number

pith:ZXHI4U6V

pith:2017:ZXHI4U6VDYYVV7NFESB4W3TWVN

not attested not anchored not stored refs pending

On the oscillation of the modulus of the Rudin-Shapiro polynomials on the unit circle

Tam\'as Erd\'elyi

arxiv:1702.06198 v3 · 2017-02-20 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZXHI4U6VDYYVV7NFESB4W3TWVN}

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	2026-05-18T00:22:11.100164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdce8e53d51e315afda52483cb6e76ab60a9d45a94c4576553b8019cbe25ce15

Aliases

arxiv: 1702.06198 · arxiv_version: 1702.06198v3 · doi: 10.48550/arxiv.1702.06198 · pith_short_12: ZXHI4U6VDYYV · pith_short_16: ZXHI4U6VDYYVV7NF · pith_short_8: ZXHI4U6V

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/ZXHI4U6VDYYVV7NFESB4W3TWVN \
  | 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: cdce8e53d51e315afda52483cb6e76ab60a9d45a94c4576553b8019cbe25ce15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfe40f6dc7b3e7669525cc0bf75e21f072ef97baf3f3ef459ce09d74e4693c47",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2017-02-20T22:40:17Z",
    "title_canon_sha256": "c4cc89d146fbf09b596a01dacdb87ae20764349f2bfaf9b288b167ec9113d84c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.06198",
    "kind": "arxiv",
    "version": 3
  }
}