Pith Number

pith:35BN7OEI

pith:2026:35BN7OEIP5XSO4N5ADIQNBRIKK

not attested not anchored not stored refs pending

Trainable Spline Representations for Physics-Informed Learning

Gianluigi Rozza, Giovanni Canali, Nicola Demo

arxiv:2607.15751 v1 · 2026-07-17 · cs.LG · cs.NA · math.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{35BN7OEIP5XSO4N5ADIQNBRIKK}

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	2026-07-20T01:19:07.739810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df42dfb8887f6f2771bd00d10686285299c943b1a514fd26639c65a80449e0e0

Aliases

arxiv: 2607.15751 · arxiv_version: 2607.15751v1 · doi: 10.48550/arxiv.2607.15751 · pith_short_12: 35BN7OEIP5XS · pith_short_16: 35BN7OEIP5XSO4N5 · pith_short_8: 35BN7OEI

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/35BN7OEIP5XSO4N5ADIQNBRIKK \
  | 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: df42dfb8887f6f2771bd00d10686285299c943b1a514fd26639c65a80449e0e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a490de61bdd98e18b5aaf8a275f098d1875714b07010be3c8c74e508ec6a4375",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-17T08:39:31Z",
    "title_canon_sha256": "2cd117f7d7ae4c8bf813ee8b8bf624f622bf48c7a675d63c9f5ec628a7cb347d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.15751",
    "kind": "arxiv",
    "version": 1
  }
}