Pith Number

pith:QLYFI5KT

pith:2017:QLYFI5KT7FDCO4THIDR7JWKU7R

not attested not anchored not stored refs pending

Jacobi polynomials on the Bernstein ellipse

Haiyong Wang, Lun Zhang

arxiv:1703.04243 v1 · 2017-03-13 · 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{QLYFI5KT7FDCO4THIDR7JWKU7R}

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	2026-05-18T00:20:22.277323Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82f0547553f94627726740e3f4d954fc442d06d2fb3b5c0a1584f259f3c01285

Aliases

arxiv: 1703.04243 · arxiv_version: 1703.04243v1 · doi: 10.48550/arxiv.1703.04243 · pith_short_12: QLYFI5KT7FDC · pith_short_16: QLYFI5KT7FDCO4TH · pith_short_8: QLYFI5KT

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/QLYFI5KT7FDCO4THIDR7JWKU7R \
  | 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: 82f0547553f94627726740e3f4d954fc442d06d2fb3b5c0a1584f259f3c01285

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c79cde13bc8bc07f9473df3cd36e5b94e699c816c021afdaeb0c17a4fe7ca8c",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-03-13T04:33:27Z",
    "title_canon_sha256": "40b3ccbeb3e7688474477a06f58cf881ee8d020943e6811da3324f86401dd9fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.04243",
    "kind": "arxiv",
    "version": 1
  }
}