Pith Number

pith:CR6EUTIP

pith:2025:CR6EUTIPTC4VX6DHDBRWAPK2K4

not attested not anchored not stored refs pending

Data-driven Closure Strategies for Parametrized Reduced Order Models via Deep Operator Networks

Anna Ivagnes, Gianluigi Rozza, Giovanni Stabile

arxiv:2505.17305 v1 · 2025-05-22 · 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{CR6EUTIPTC4VX6DHDBRWAPK2K4}

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	2026-07-05T11:08:24.140941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

147c4a4d0f98b95bf8671863603d5a5714aa26b71aeb63e64f0b0f0a0fb9781c

Aliases

arxiv: 2505.17305 · arxiv_version: 2505.17305v1 · doi: 10.48550/arxiv.2505.17305 · pith_short_12: CR6EUTIPTC4V · pith_short_16: CR6EUTIPTC4VX6DH · pith_short_8: CR6EUTIP

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/CR6EUTIPTC4VX6DHDBRWAPK2K4 \
  | 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: 147c4a4d0f98b95bf8671863603d5a5714aa26b71aeb63e64f0b0f0a0fb9781c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbe9e608043ac9da7c97b5156c9896439d31b12d65f06fe0da80ba8ba2cc20a0",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-05-22T21:51:23Z",
    "title_canon_sha256": "9443a1316162ae9131f725593e47562bfc26a3de27835c5bb93fc65df01d3588"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.17305",
    "kind": "arxiv",
    "version": 1
  }
}