Pith Number

pith:LEUHUTZ5

pith:2025:LEUHUTZ57PCDME6HVL443Z5JA2

not attested not anchored not stored refs pending

Second-order AAA algorithms for structured data-driven modeling

Ion Victor Gosea, Michael S. Ackermann, Serkan Gugercin, Steffen W. R. Werner

arxiv:2506.02241 v1 · 2025-06-02 · math.NA · cs.LG · cs.NA · cs.SY · eess.SY · math.DS · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LEUHUTZ57PCDME6HVL443Z5JA2}

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.

Cited by

1 paper in Pith

Data-driven balanced truncation for second-order systems with generalized proportional damping

Receipt and verification

First computed	2026-07-05T11:14:35.176358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59287a4f3dfbc43613c7aaf9cde7a906b0c5686d6576412c45f9ac3dcac6f97e

Aliases

arxiv: 2506.02241 · arxiv_version: 2506.02241v1 · doi: 10.48550/arxiv.2506.02241 · pith_short_12: LEUHUTZ57PCD · pith_short_16: LEUHUTZ57PCDME6H · pith_short_8: LEUHUTZ5

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/LEUHUTZ57PCDME6HVL443Z5JA2 \
  | 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: 59287a4f3dfbc43613c7aaf9cde7a906b0c5686d6576412c45f9ac3dcac6f97e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4462e1d03981e20805f8a5afbefe568f5a5a859e8665ec6db8c7095867546f46",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "cs.SY",
      "eess.SY",
      "math.DS",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-06-02T20:34:18Z",
    "title_canon_sha256": "e98760335970275e33e42d2a1a799fc107c448e05713605f5b0b499488197b02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.02241",
    "kind": "arxiv",
    "version": 1
  }
}