Pith Number

pith:7ZAG65ZK

pith:2019:7ZAG65ZK2N7J3W6NX5NELMIDF2

not attested not anchored not stored refs pending

Ground Metric Learning on Graphs

David Coeurjolly, Gabriel Peyr\'e, Marco Cuturi, Matthieu Heitz, Nicolas Bonneel

arxiv:1911.03117 v3 · 2019-11-08 · stat.ML · cs.GR · cs.LG · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ZAG65ZK2N7J3W6NX5NELMIDF2}

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	2026-07-05T01:49:14.292452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe406f772ad37e9ddbcdbf5a45b1032e8afff723c3933cc9ace9a9778f42c363

Aliases

arxiv: 1911.03117 · arxiv_version: 1911.03117v3 · doi: 10.48550/arxiv.1911.03117 · pith_short_12: 7ZAG65ZK2N7J · pith_short_16: 7ZAG65ZK2N7J3W6N · pith_short_8: 7ZAG65ZK

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/7ZAG65ZK2N7J3W6NX5NELMIDF2 \
  | 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: fe406f772ad37e9ddbcdbf5a45b1032e8afff723c3933cc9ace9a9778f42c363

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41ed807d7629886740f22b42cf576e715c05a577c3dcd25be781e8f744416b74",
    "cross_cats_sorted": [
      "cs.GR",
      "cs.LG",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-11-08T08:27:19Z",
    "title_canon_sha256": "1394efecff4fad28bd31a4fab3605ba3bf039fb6843caafb625f6ac6d405a435"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.03117",
    "kind": "arxiv",
    "version": 3
  }
}