Pith Number

pith:A4Q3XNAQ

pith:2025:A4Q3XNAQEODSS3LXXM53MZPLC6

not attested not anchored not stored refs pending

Bivariate polynomial histopolation techniques on Padua, Fekete and Leja triangles

Federico Nudo, Francesco Dell'Accio, Ludovico Bruni Bruno, Wolfgang Erb

arxiv:2506.03025 v1 · 2025-06-03 · 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{A4Q3XNAQEODSS3LXXM53MZPLC6}

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	2026-07-05T11:15:13.505360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0721bbb4102387296d77bb3bb665eb178c003f567d494f53dc1614e027300012

Aliases

arxiv: 2506.03025 · arxiv_version: 2506.03025v1 · doi: 10.48550/arxiv.2506.03025 · pith_short_12: A4Q3XNAQEODS · pith_short_16: A4Q3XNAQEODSS3LX · pith_short_8: A4Q3XNAQ

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/A4Q3XNAQEODSS3LXXM53MZPLC6 \
  | 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: 0721bbb4102387296d77bb3bb665eb178c003f567d494f53dc1614e027300012

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58ac5c53a87d6b36c2542ca5901158b6db1b056b7b7d1a481073c06b7064cfa2",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-06-03T16:00:34Z",
    "title_canon_sha256": "1cce1214006f314736a5350ac3f65003521f266849f84f9cf4bae7dd67c63d17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.03025",
    "kind": "arxiv",
    "version": 1
  }
}