Pith Number

pith:K34TZQUK

pith:2025:K34TZQUK4EFVL4O4PIIZCML4ZA

not attested not anchored not stored refs pending

Energy-stable Port-Hamiltonian Systems

Hans Zwart, Patrick Buchfink, Silke Glas

arxiv:2506.06471 v1 · 2025-06-06 · 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{K34TZQUK4EFVL4O4PIIZCML4ZA}

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	2026-07-05T11:17:50.722709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56f93cc28ae10b55f1dc7a1191317cc8149d34b7f8bdb3e974b9b147e63ca8a7

Aliases

arxiv: 2506.06471 · arxiv_version: 2506.06471v1 · doi: 10.48550/arxiv.2506.06471 · pith_short_12: K34TZQUK4EFV · pith_short_16: K34TZQUK4EFVL4O4 · pith_short_8: K34TZQUK

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/K34TZQUK4EFVL4O4PIIZCML4ZA \
  | 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: 56f93cc28ae10b55f1dc7a1191317cc8149d34b7f8bdb3e974b9b147e63ca8a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7940be5a6d60836e355339adf7a4876f31cbac921083aa3ff67af40b54861fe0",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-06-06T18:57:00Z",
    "title_canon_sha256": "59902091df034266b0c9d2b5b5ae53850229ec4d97cc83bc739b746a8beed587"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.06471",
    "kind": "arxiv",
    "version": 1
  }
}