Pith Number

pith:7Y3POUFU

pith:2019:7Y3POUFUOXQNLD224NPQXZTW66

not attested not anchored not stored refs pending

Orthogonal sequences constructed from quasi-orthogonal ultraspherical polynomials

Kathy Driver, Oksana Bihun

arxiv:1905.04276 v1 · 2019-05-10 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7Y3POUFUOXQNLD224NPQXZTW66}

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	2026-05-17T23:46:31.539889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe36f750b475e0d58f5ae35f0be676f79963e0c4af24a416b669372cdd275acc

Aliases

arxiv: 1905.04276 · arxiv_version: 1905.04276v1 · doi: 10.48550/arxiv.1905.04276 · pith_short_12: 7Y3POUFUOXQN · pith_short_16: 7Y3POUFUOXQNLD22 · pith_short_8: 7Y3POUFU

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/7Y3POUFUOXQNLD224NPQXZTW66 \
  | 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: fe36f750b475e0d58f5ae35f0be676f79963e0c4af24a416b669372cdd275acc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aea9de1aa3997b9620ace929e53b95ae47d3a562ada1b92560c8bc87cf248951",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2019-05-10T17:34:16Z",
    "title_canon_sha256": "beda94985fc27fe7ff797fe167a31a6eef139bcc7376dfab14fff87592a92418"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04276",
    "kind": "arxiv",
    "version": 1
  }
}