Pith Number

pith:I474ZPDT

pith:2026:I474ZPDTFTUVZDYULDX5Q7FJ4Y

not attested not anchored not stored refs pending

Hyper-reduction-free reduced-order Newton solvers for projection-based model-order reduction of nonlinear dynamical systems

Liam K. Magargal, Parisa Khodabakhshi, Steven N. Rodriguez

arxiv:2603.03420 v1 · 2026-03-03 · cs.CE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I474ZPDTFTUVZDYULDX5Q7FJ4Y}

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	2026-06-25T01:18:37.156473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

473fccbc732ce95c8f1458efd87ca9e6253b72ec5a486908a25b691416d86299

Aliases

arxiv: 2603.03420 · arxiv_version: 2603.03420v1 · doi: 10.48550/arxiv.2603.03420 · pith_short_12: I474ZPDTFTUV · pith_short_16: I474ZPDTFTUVZDYU · pith_short_8: I474ZPDT

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/I474ZPDTFTUVZDYULDX5Q7FJ4Y \
  | 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: 473fccbc732ce95c8f1458efd87ca9e6253b72ec5a486908a25b691416d86299

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "081551e6c916b75bfd029aee6b3dea47f27efae8d73dd42dd3b7c26efb950bd1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2026-03-03T18:57:26Z",
    "title_canon_sha256": "4b6d7a9df115ddf0ce7e90206b15a6f9b15433d40e0e78fcdf4dbe7ea01544bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.03420",
    "kind": "arxiv",
    "version": 1
  }
}