Pith Number

pith:KH2WZDII

pith:2015:KH2WZDII44PHM5IZZIM7QXPMOQ

not attested not anchored not stored refs pending

Fast Metric Learning For Deep Neural Networks

Bernhard Pfahringer, Henry Gouk, Michael Cree

arxiv:1511.06442 v5 · 2015-11-19 · cs.LG · cs.CV · 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{KH2WZDII44PHM5IZZIM7QXPMOQ}

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	2026-05-18T01:17:46.944809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51f56c8d08e71e767519ca19f85dec74120cf1819fefd3dbb6154aacc572ed17

Aliases

arxiv: 1511.06442 · arxiv_version: 1511.06442v5 · doi: 10.48550/arxiv.1511.06442 · pith_short_12: KH2WZDII44PH · pith_short_16: KH2WZDII44PHM5IZ · pith_short_8: KH2WZDII

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/KH2WZDII44PHM5IZZIM7QXPMOQ \
  | 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: 51f56c8d08e71e767519ca19f85dec74120cf1819fefd3dbb6154aacc572ed17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be24bf561e3a04cc5b56b089f8d2603d2e0649b82dfaac0e8984f9090a3b2a9d",
    "cross_cats_sorted": [
      "cs.CV",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-11-19T23:10:00Z",
    "title_canon_sha256": "3cb7bb94fa3c2130026954df1137fe10715da6542ba61be1dd8673e214a6135c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.06442",
    "kind": "arxiv",
    "version": 5
  }
}