Pith Number

pith:C5U3WIZV

pith:2026:C5U3WIZVRNN3262SUMZK7ONNGD

not attested not anchored not stored refs pending

IGA-ODIL: Optimizing DIscretre robust Loss with Isogeometric Analysis to solve forward and inverse problems faster using machine learning tools

Maciej Paszy\'nski, Tomasz S{\l}u\.zalec

arxiv:2605.30272 v1 · 2026-05-28 · 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{C5U3WIZVRNN3262SUMZK7ONNGD}

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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	2026-05-29T02:06:14.669188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1769bb23358b5bbd7b52a332afb9ad30eee5158f831db4d4660d5f9d691f7330

Aliases

arxiv: 2605.30272 · arxiv_version: 2605.30272v1 · doi: 10.48550/arxiv.2605.30272 · pith_short_12: C5U3WIZVRNN3 · pith_short_16: C5U3WIZVRNN3262S · pith_short_8: C5U3WIZV

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/C5U3WIZVRNN3262SUMZK7ONNGD \
  | 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: 1769bb23358b5bbd7b52a332afb9ad30eee5158f831db4d4660d5f9d691f7330

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22afb2e378eb491213b890984957adc26b9a31dc859679315f94d87bf7553282",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-05-28T17:30:08Z",
    "title_canon_sha256": "b502d52bbfb54d270dffd531375e8a5161ab6121629802df934d92cc895bf243"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.30272",
    "kind": "arxiv",
    "version": 1
  }
}