Pith Number

pith:HBK4AXC3

pith:2023:HBK4AXC33N3BZDG72SPQGEAQ76

not attested not anchored not stored refs pending

Structure-Preserving Model Reduction for Port-Hamiltonian Systems Based on a Special Class of Nonlinear Approximation Ansatzes

Philipp Schulze

arxiv:2302.06479 v2 · 2023-02-13 · math.NA · cs.NA · math.OC

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\usepackage{pith}
\pithnumber{HBK4AXC33N3BZDG72SPQGEAQ76}

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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.

Cited by

1 paper in Pith

Nonlinear model reduction with Neural Galerkin schemes on quadratic manifolds

Receipt and verification

First computed	2026-07-05T06:09:48.462070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3855c05c5bdb761c8cdfd49f031010ffbbbe9d1611c0ebd62cf3e19683f2b5a1

Aliases

arxiv: 2302.06479 · arxiv_version: 2302.06479v2 · doi: 10.48550/arxiv.2302.06479 · pith_short_12: HBK4AXC33N3B · pith_short_16: HBK4AXC33N3BZDG7 · pith_short_8: HBK4AXC3

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/HBK4AXC33N3BZDG72SPQGEAQ76 \
  | 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: 3855c05c5bdb761c8cdfd49f031010ffbbbe9d1611c0ebd62cf3e19683f2b5a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "907146ff1d02ec21fcedf5854471ce41ee5e0c1b9c9b2d4cd856459a23730202",
    "cross_cats_sorted": [
      "cs.NA",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-02-13T15:56:01Z",
    "title_canon_sha256": "2346a6af8a3211e0415e9c5117524631b5540ca687fcc9086d9fc4470ba2ef14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.06479",
    "kind": "arxiv",
    "version": 2
  }
}