Pith Number

pith:P3IWWLQP

pith:2019:P3IWWLQP7QBZ7ET3IFSZ75PQOZ

not attested not anchored not stored refs pending

Orthogonal polynomials with the Prudnikov-type weights

Semyon Yakubovich

arxiv:1902.06227 v1 · 2019-02-17 · 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{P3IWWLQP7QBZ7ET3IFSZ75PQOZ}

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	2026-05-17T23:53:46.222075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ed16b2e0ffc039f927b41659ff5f076681824f4e0486792a5bf1d72e9cf9946

Aliases

arxiv: 1902.06227 · arxiv_version: 1902.06227v1 · doi: 10.48550/arxiv.1902.06227 · pith_short_12: P3IWWLQP7QBZ · pith_short_16: P3IWWLQP7QBZ7ET3 · pith_short_8: P3IWWLQP

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/P3IWWLQP7QBZ7ET3IFSZ75PQOZ \
  | 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: 7ed16b2e0ffc039f927b41659ff5f076681824f4e0486792a5bf1d72e9cf9946

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28c11bd8c6e232410b74e0c7664bea60f553b9d3a990a469569132e8342c2a90",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2019-02-17T09:07:54Z",
    "title_canon_sha256": "9e76127e318ccc8c28364c2fcb94e9e975b4dbb5f71b097ef96ff8d1f59e6174"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06227",
    "kind": "arxiv",
    "version": 1
  }
}