Pith Number

pith:WVULK45N

pith:2012:WVULK45NI2P5DTNBKNTEMJFOYC

not attested not anchored not stored refs pending

Port-Hamiltonian systems on discrete manifolds

Arjan van der Schaft, Jacquelien M.A. Scherpen, Marko Seslija

arxiv:1201.5764 v1 · 2012-01-27 · math.OC · math-ph · math.DS · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WVULK45NI2P5DTNBKNTEMJFOYC}

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	2026-05-18T04:03:44.540603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b568b573ad469fd1cda153664624aec0b293361c4f823bd7ed1959e1d963c57e

Aliases

arxiv: 1201.5764 · arxiv_version: 1201.5764v1 · doi: 10.48550/arxiv.1201.5764 · pith_short_12: WVULK45NI2P5 · pith_short_16: WVULK45NI2P5DTNB · pith_short_8: WVULK45N

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/WVULK45NI2P5DTNBKNTEMJFOYC \
  | 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: b568b573ad469fd1cda153664624aec0b293361c4f823bd7ed1959e1d963c57e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba8bed3e7c385f42c8b28aa504c7b0fd4ed4fc7d609541f209f98481b0dc15af",
    "cross_cats_sorted": [
      "math-ph",
      "math.DS",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2012-01-27T12:57:45Z",
    "title_canon_sha256": "3f7ca7816cf1a4582e140d012b614eed01fc7c49c85fb63cb0b033f2c7972459"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5764",
    "kind": "arxiv",
    "version": 1
  }
}