Pith Number

pith:J2ZKGQP7

pith:2013:J2ZKGQP764OOVWDQKRMDW2XZMU

not attested not anchored not stored refs pending

On differential passivity of physical systems

Arjan van der Schaft, Fulvio Forni, Rodolphe Sepulchre

arxiv:1309.2558 v1 · 2013-09-10 · cs.SY · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J2ZKGQP764OOVWDQKRMDW2XZMU}

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	2026-05-18T00:59:03.771109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4eb2a341fff71cead87054583b6af9651c07342bd1b937136922333a9a613443

Aliases

arxiv: 1309.2558 · arxiv_version: 1309.2558v1 · doi: 10.48550/arxiv.1309.2558 · pith_short_12: J2ZKGQP764OO · pith_short_16: J2ZKGQP764OOVWDQ · pith_short_8: J2ZKGQP7

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/J2ZKGQP764OOVWDQKRMDW2XZMU \
  | 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: 4eb2a341fff71cead87054583b6af9651c07342bd1b937136922333a9a613443

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "452785a3390579e47e076153ef56e59f29e2c9a19e39cdce3365e6efee2a5c71",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2013-09-10T16:00:42Z",
    "title_canon_sha256": "955ee13ea2b5bce8acd67e9a16d8b262c9da2681e02388d396635073e2913e1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2558",
    "kind": "arxiv",
    "version": 1
  }
}