Pith Number

pith:ZDF3YM6T

pith:2020:ZDF3YM6TMIUPU7OHM42QF5GOMT

not attested not anchored not stored refs pending

Multivariate Rational Approximation Using a Stabilized Sanathanan-Koerner Iteration

Jeffrey M. Hokanson

arxiv:2009.10803 v1 · 2020-09-22 · 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{ZDF3YM6TMIUPU7OHM42QF5GOMT}

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.

Cited by

1 paper in Pith

Interpolation constrained rational minimax approximation with barycentric representation

Receipt and verification

First computed	2026-07-05T01:37:26.102894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8cbbc33d36228fa7dc7673502f4ce64fb07347f6ed0eae0961f12fdf5f0726c

Aliases

arxiv: 2009.10803 · arxiv_version: 2009.10803v1 · doi: 10.48550/arxiv.2009.10803 · pith_short_12: ZDF3YM6TMIUP · pith_short_16: ZDF3YM6TMIUPU7OH · pith_short_8: ZDF3YM6T

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/ZDF3YM6TMIUPU7OHM42QF5GOMT \
  | 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: c8cbbc33d36228fa7dc7673502f4ce64fb07347f6ed0eae0961f12fdf5f0726c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa3eb7ac527835a85f64d553147b99bc14e6d4557ad6551ff83a744abc64dec9",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-09-22T20:38:56Z",
    "title_canon_sha256": "d0f3da80957f2c335d1b99d96858c606845b689b408a468c8950da033e171242"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.10803",
    "kind": "arxiv",
    "version": 1
  }
}