Pith Number

pith:MD4AYQTB

pith:2018:MD4AYQTBDWABN2WCH6ZPXTH23K

not attested not anchored not stored refs pending

New insights in the geometry and interconnection of port-Hamiltonian systems

D. Mart\'in de Diego, E. Garc\'ia-Tora\~no Andr\'es, H. Cendra, M. Barbero-Li\~n\'an

arxiv:1804.04951 v2 · 2018-04-13 · 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{MD4AYQTBDWABN2WCH6ZPXTH23K}

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	2026-05-18T00:07:07.822709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60f80c42611d8016eac23fb2fbccfadab48d508a8a20696a1e964d90468e8192

Aliases

arxiv: 1804.04951 · arxiv_version: 1804.04951v2 · doi: 10.48550/arxiv.1804.04951 · pith_short_12: MD4AYQTBDWAB · pith_short_16: MD4AYQTBDWABN2WC · pith_short_8: MD4AYQTB

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/MD4AYQTBDWABN2WCH6ZPXTH23K \
  | 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: 60f80c42611d8016eac23fb2fbccfadab48d508a8a20696a1e964d90468e8192

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aee2bede30dc7331a8b2f303cfb957fe9f7026f7a9230b7c3a7552bff0e05824",
    "cross_cats_sorted": [
      "math.DS",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-04-13T13:58:11Z",
    "title_canon_sha256": "122e328eeb0c4d45150824f178b0e38a8d1d0fccc42d8577e2a7d5b1303d41e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04951",
    "kind": "arxiv",
    "version": 2
  }
}