Pith Number

pith:JCFCRQ2M

pith:2013:JCFCRQ2M2SOBIAYZMFMSDJZUHN

not attested not anchored not stored refs pending

A Survey on Metric Learning for Feature Vectors and Structured Data

Amaury Habrard, Aur\'elien Bellet, Marc Sebban

arxiv:1306.6709 v4 · 2013-06-28 · cs.LG · cs.AI · 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{JCFCRQ2M2SOBIAYZMFMSDJZUHN}

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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.

Cited by

4 papers in Pith

Selective Ambulance Dispatch Under Contextual Travel-Time Uncertainty

Operationalizing Individual Fairness via Gradient Descent and Bradley-Terry Models

The Matching Principle: A Geometric Theory of Loss Functions for Nuisance-Robust Representation Learning

UMAP: Uniform Manifold Approximation and Projection for Dimension Reduction

Receipt and verification

First computed	2026-05-17T23:55:39.206358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

488a28c34cd49c140319615921a7343b6d3b67407d65f988dfcfbd964842bad9

Aliases

arxiv: 1306.6709 · arxiv_version: 1306.6709v4 · doi: 10.48550/arxiv.1306.6709 · pith_short_12: JCFCRQ2M2SOB · pith_short_16: JCFCRQ2M2SOBIAYZ · pith_short_8: JCFCRQ2M

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/JCFCRQ2M2SOBIAYZMFMSDJZUHN \
  | 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: 488a28c34cd49c140319615921a7343b6d3b67407d65f988dfcfbd964842bad9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c844f88c91a535a7cde01e8b1550eb09ad8e61d5978cffc50a60e612bd43a35",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-06-28T03:56:15Z",
    "title_canon_sha256": "29dc00817eb19c0a1336f59b95452930c95b644c5921b89719cdf40852124576"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.6709",
    "kind": "arxiv",
    "version": 4
  }
}