Pith Number

pith:5VWX2BPD

pith:2023:5VWX2BPDTR5QWUGIXESTESAGGM

not attested not anchored not stored refs pending

Polynomial and rational measure modifications of orthogonal polynomials via infinite-dimensional banded matrix factorizations

Richard Mikael Slevinsky, Sheehan Olver, Timon S. Gutleb

arxiv:2302.08448 v2 · 2023-02-16 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5VWX2BPDTR5QWUGIXESTESAGGM}

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	2026-07-05T08:00:31.890468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed6d7d05e39c7b0b50c8b925324806330c05d6167fb360f3b7928e60480acdc9

Aliases

arxiv: 2302.08448 · arxiv_version: 2302.08448v2 · doi: 10.48550/arxiv.2302.08448 · pith_short_12: 5VWX2BPDTR5Q · pith_short_16: 5VWX2BPDTR5QWUGI · pith_short_8: 5VWX2BPD

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/5VWX2BPDTR5QWUGIXESTESAGGM \
  | 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: ed6d7d05e39c7b0b50c8b925324806330c05d6167fb360f3b7928e60480acdc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "536141a44dc1f407800f0ae63ec4ccfff69f97fc706695388dac25980ed0346e",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-02-16T17:42:16Z",
    "title_canon_sha256": "8d1c97b400a0ae3dce71c28baaa4d117219312ef2797a588b0f5d26e8d524a66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.08448",
    "kind": "arxiv",
    "version": 2
  }
}