Pith Number

pith:5PEUKWMX

pith:2018:5PEUKWMXHP7GVQ427NQDZLIGSH

not attested not anchored not stored refs pending

Robust integral action of port-Hamiltonian systems

Alejandro Donaire, Joel Ferguson, Richard H. Middleton, Romeo Ortega

arxiv:1801.06279 v1 · 2018-01-19 · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5PEUKWMXHP7GVQ427NQDZLIGSH}

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	2026-05-18T00:25:30.669486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebc94559973bfe6ac39afb603cad0691d856348e193a60bca7d4d31046df0c58

Aliases

arxiv: 1801.06279 · arxiv_version: 1801.06279v1 · doi: 10.48550/arxiv.1801.06279 · pith_short_12: 5PEUKWMXHP7G · pith_short_16: 5PEUKWMXHP7GVQ42 · pith_short_8: 5PEUKWMX

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/5PEUKWMXHP7GVQ427NQDZLIGSH \
  | 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: ebc94559973bfe6ac39afb603cad0691d856348e193a60bca7d4d31046df0c58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08d0667530ad8e550aa8be3491d619d53f215227a195ee0e2271bef6d9df09f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2018-01-19T03:11:05Z",
    "title_canon_sha256": "99c4efc399a5965e6d4c49de79e058d5edb63f9c1899192bf3ef66b980d116e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.06279",
    "kind": "arxiv",
    "version": 1
  }
}