Pith Number

pith:X2SUII3F

pith:2022:X2SUII3FE6VF7G6QSUG6OS76IV

not attested not anchored not stored refs pending

Robust Geometric Metric Learning

Antoine Collas, Arnaud Breloy, Chengfang Ren, Guillaume Ginolhac, Jean-Philippe Ovarlez

arxiv:2202.11550 v3 · 2022-02-23 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X2SUII3FE6VF7G6QSUG6OS76IV}

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	2026-07-05T05:18:01.860055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bea544236527aa5f9bd0950de74bfe45443150e997daa54236b7d72310f963a3

Aliases

arxiv: 2202.11550 · arxiv_version: 2202.11550v3 · doi: 10.48550/arxiv.2202.11550 · pith_short_12: X2SUII3FE6VF · pith_short_16: X2SUII3FE6VF7G6Q · pith_short_8: X2SUII3F

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/X2SUII3FE6VF7G6QSUG6OS76IV \
  | 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: bea544236527aa5f9bd0950de74bfe45443150e997daa54236b7d72310f963a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f51471c534e9c87b8abb11232cf77ed6c82ef1127d2017cfdc80f441baf20cb",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2022-02-23T14:55:08Z",
    "title_canon_sha256": "b9480d5d297a1f9a6415a424c09535c86cd070512f6aa6fb83922f33753e14c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.11550",
    "kind": "arxiv",
    "version": 3
  }
}