Pith Number

pith:E7QHLBEB

pith:2026:E7QHLBEBSINJWVAA3HEUGOTV6L

not attested not anchored not stored refs pending

The manufacture of examples: the $(-1)$-classical orthogonal polynomials

G. Gordillo-N\'u\~nez, K. Castillo

arxiv:2605.29792 v1 · 2026-05-28 · 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{E7QHLBEBSINJWVAA3HEUGOTV6L}

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	2026-05-29T02:05:52.574429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27e0758481921a9b5400d9c9433a75f2dc7266abf1f60952fcd03484efd3eb1a

Aliases

arxiv: 2605.29792 · arxiv_version: 2605.29792v1 · doi: 10.48550/arxiv.2605.29792 · pith_short_12: E7QHLBEBSINJ · pith_short_16: E7QHLBEBSINJWVAA · pith_short_8: E7QHLBEB

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/E7QHLBEBSINJWVAA3HEUGOTV6L \
  | 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: 27e0758481921a9b5400d9c9433a75f2dc7266abf1f60952fcd03484efd3eb1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f3558cbbc4c6670881a644f5a977362f0a4c26574a983d25d4749870278ad0e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2026-05-28T11:41:55Z",
    "title_canon_sha256": "ca2893f78aeee98eb3c7b12771ec65da2d2a445f3d7e7277af29d32ba7064428"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.29792",
    "kind": "arxiv",
    "version": 1
  }
}