Pith Number

pith:YFQ2RBDB

pith:2021:YFQ2RBDBOM7RTXSQYJLJ3UP347

not attested not anchored not stored refs pending

On the computation of recurrence coefficients for univariate orthogonal polynomials

Akil Narayan, Zexin Liu

arxiv:2101.11963 v2 · 2021-01-28 · 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{YFQ2RBDBOM7RTXSQYJLJ3UP347}

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	2026-07-05T02:10:41.977447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c161a88461733f19de50c2569dd1fbe7c9a26ef647ec0df380658db4a5315139

Aliases

arxiv: 2101.11963 · arxiv_version: 2101.11963v2 · doi: 10.48550/arxiv.2101.11963 · pith_short_12: YFQ2RBDBOM7R · pith_short_16: YFQ2RBDBOM7RTXSQ · pith_short_8: YFQ2RBDB

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/YFQ2RBDBOM7RTXSQYJLJ3UP347 \
  | 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: c161a88461733f19de50c2569dd1fbe7c9a26ef647ec0df380658db4a5315139

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7e191fcddb186a89f8ad1be20a1da5ab59c5380e5cb05105014910a35b8f32b",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-01-28T12:33:09Z",
    "title_canon_sha256": "bfc0d888f4f975340957798c9c90df8722cb1d5da621b67f65f692554d8d861b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.11963",
    "kind": "arxiv",
    "version": 2
  }
}