Pith Number

pith:MQELVSAE

pith:2019:MQELVSAEDPVPUVSPXW3AC43IWI

not attested not anchored not stored refs pending

metric-learn: Metric Learning Algorithms in Python

Aur\'elien Bellet, CJ Carey, Nathalie Vauquier, William de Vazelhes, Yuan Tang

arxiv:1908.04710 v3 · 2019-08-13 · 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{MQELVSAEDPVPUVSPXW3AC43IWI}

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	2026-07-05T01:22:14.341858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6408bac8041beafa564fbdb6017368b20e36a0f40ddc6879306b5e37223f2e96

Aliases

arxiv: 1908.04710 · arxiv_version: 1908.04710v3 · doi: 10.48550/arxiv.1908.04710 · pith_short_12: MQELVSAEDPVP · pith_short_16: MQELVSAEDPVPUVSP · pith_short_8: MQELVSAE

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/MQELVSAEDPVPUVSPXW3AC43IWI \
  | 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: 6408bac8041beafa564fbdb6017368b20e36a0f40ddc6879306b5e37223f2e96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c490c0b0ea800384a269035dcad275e6a1ef7b1a720408fec22bcfc9dc0149d2",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-08-13T15:52:31Z",
    "title_canon_sha256": "a9ef1fe9484647a460ba068df0c46d58a6f3b9c70585cf02623a7eff67ba6967"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04710",
    "kind": "arxiv",
    "version": 3
  }
}