Pith Number

pith:SWZTV34Z

pith:2025:SWZTV34ZNYRLZURUAUK5HFFPYX

not attested not anchored not stored refs pending

Nonlinear port-Hamiltonian system identification from input-state-output data

Achraf El Messaoudi, Hannes Gernandt, Karim Cherifi, Marco Roschkowski

arxiv:2501.06118 v2 · 2025-01-10 · eess.SY · cs.SY · math.DS · math.OC · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SWZTV34ZNYRLZURUAUK5HFFPYX}

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

Structure- and Stability-Preserving Learning of Port-Hamiltonian Systems

Receipt and verification

First computed	2026-07-05T10:14:49.682434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95b33aef996e22bcd2340515d394afc5cfc85a6bdda3195c7a4eb01eb88d7ccc

Aliases

arxiv: 2501.06118 · arxiv_version: 2501.06118v2 · doi: 10.48550/arxiv.2501.06118 · pith_short_12: SWZTV34ZNYRL · pith_short_16: SWZTV34ZNYRLZURU · pith_short_8: SWZTV34Z

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/SWZTV34ZNYRLZURUAUK5HFFPYX \
  | 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: 95b33aef996e22bcd2340515d394afc5cfc85a6bdda3195c7a4eb01eb88d7ccc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1765264a5ac31c2c981799c7381ce65f6e256dadec89a11d83e09ea2dcc42cef",
    "cross_cats_sorted": [
      "cs.SY",
      "math.DS",
      "math.OC",
      "nlin.CD"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2025-01-10T17:15:59Z",
    "title_canon_sha256": "3d46690f3242854b9802d38894aed8d2618b5174b52d7ce41832a9fcc763acce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.06118",
    "kind": "arxiv",
    "version": 2
  }
}