Pith Number

pith:JCNZ6ETD

pith:2016:JCNZ6ETDFB3VERIPLR4KE5HTRF

not attested not anchored not stored refs pending

On Valid Optimal Assignment Kernels and Applications to Graph Classification

Nils M. Kriege, Pierre-Louis Giscard, Richard C. Wilson

arxiv:1606.01141 v3 · 2016-06-03 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JCNZ6ETDFB3VERIPLR4KE5HTRF}

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	2026-05-18T00:51:48.742410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

489b9f1263287752450f5c78a274f38950cce49cef77e618c5e012f1a2b9d599

Aliases

arxiv: 1606.01141 · arxiv_version: 1606.01141v3 · doi: 10.48550/arxiv.1606.01141 · pith_short_12: JCNZ6ETDFB3V · pith_short_16: JCNZ6ETDFB3VERIP · pith_short_8: JCNZ6ETD

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/JCNZ6ETDFB3VERIPLR4KE5HTRF \
  | 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: 489b9f1263287752450f5c78a274f38950cce49cef77e618c5e012f1a2b9d599

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1e26f5174f5ecd2a001499d0ea45d70d1f22eb8eb62c37aea9816ad933fa1c8",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-06-03T15:32:27Z",
    "title_canon_sha256": "77ce1707f655dc348ef1d916308439cdbf4b2d6b923899bb5667a9f7a5bb0eac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.01141",
    "kind": "arxiv",
    "version": 3
  }
}