Pith Number

pith:C2T3KB73

pith:1997:C2T3KB734OZGBE6YMPXKQDNKKG

not attested not anchored not stored refs pending

Representations of orthogonal polynomials

Dieter Schmersau, Wolfram Koepf

arxiv:math/9703217 v1 · 1997-03-27 · 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{C2T3KB734OZGBE6YMPXKQDNKKG}

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	2026-05-18T01:05:37.030571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16a7b507fbe3b26093d863eea80daa519328009934bbbb95e70951400ea1a874

Aliases

arxiv: math/9703217 · arxiv_version: math/9703217v1 · doi: 10.48550/arxiv.math/9703217 · pith_short_12: C2T3KB734OZG · pith_short_16: C2T3KB734OZGBE6Y · pith_short_8: C2T3KB73

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/C2T3KB734OZGBE6YMPXKQDNKKG \
  | 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: 16a7b507fbe3b26093d863eea80daa519328009934bbbb95e70951400ea1a874

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bb8038359a1da6c781a998f7e41bbffba40df025cfa5f2e9f3757afddfbd094",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.CA",
    "submitted_at": "1997-03-27T00:00:00Z",
    "title_canon_sha256": "0dde3265c931ac5be07f2d7b147e930ca61051858bf253c9a93dc48ec52f0c6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9703217",
    "kind": "arxiv",
    "version": 1
  }
}