Pith Number

pith:J5DJAGUW

pith:2023:J5DJAGUW44ZGQJWDPP3CUBA4AH

not attested not anchored not stored refs pending

Machine Learning Discovery of Optimal Quadrature Rules for Isogeometric Analysis

Ali Hashemian, David Pardo, Jamie M. Taylor, Tomas Teijeiro

arxiv:2304.01802 v1 · 2023-04-04 · math.NA · cs.LG · 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{J5DJAGUW44ZGQJWDPP3CUBA4AH}

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	2026-07-05T05:57:45.099766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f46901a96e7326826c37bf62a041c01f6e51e5302d0016e60d8a70eb833b91e

Aliases

arxiv: 2304.01802 · arxiv_version: 2304.01802v1 · doi: 10.48550/arxiv.2304.01802 · pith_short_12: J5DJAGUW44ZG · pith_short_16: J5DJAGUW44ZGQJWD · pith_short_8: J5DJAGUW

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/J5DJAGUW44ZGQJWDPP3CUBA4AH \
  | 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: 4f46901a96e7326826c37bf62a041c01f6e51e5302d0016e60d8a70eb833b91e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9664f0c9dd2283516735dba5fdd2677c1b75f73aa3f6d1af35e8676ee54c726e",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-04-04T13:59:07Z",
    "title_canon_sha256": "3876a6db86bb438430f2622ecc8c21de630513045a7ae2ba579e0a158916ead5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.01802",
    "kind": "arxiv",
    "version": 1
  }
}