Pith Number

pith:CEUVCIBW

pith:2012:CEUVCIBWT7N45PHHQEZ4RODIA5

not attested not anchored not stored refs pending

Explicit barycentric weights for polynomial interpolation in the roots or extrema of classical orthogonal polynomials

Daan Huybrechs, Haiyong Wang, Stefan Vandewalle

arxiv:1202.0154 v3 · 2012-02-01 · math.NA · 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{CEUVCIBWT7N45PHHQEZ4RODIA5}

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	2026-05-18T01:41:58.408218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11295120369fdbcebce78133c8b8680778952f1f4f4c7897bf8f23235b56fdbe

Aliases

arxiv: 1202.0154 · arxiv_version: 1202.0154v3 · doi: 10.48550/arxiv.1202.0154 · pith_short_12: CEUVCIBWT7N4 · pith_short_16: CEUVCIBWT7N45PHH · pith_short_8: CEUVCIBW

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/CEUVCIBWT7N45PHHQEZ4RODIA5 \
  | 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: 11295120369fdbcebce78133c8b8680778952f1f4f4c7897bf8f23235b56fdbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea881789ebfe4ef6ceb9fdab4101573a0cdc961bce7d15a9d36594c087c86fb7",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-02-01T11:52:30Z",
    "title_canon_sha256": "ca9264f7428c30dbf6cf3eaab96a7d9023ff512e055d3eee13253c38729997ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0154",
    "kind": "arxiv",
    "version": 3
  }
}