Pith Number

pith:INUDASPV

pith:2018:INUDASPVSQTQFJDGMQA4LBCEWH

not attested not anchored not stored refs pending

Optimal functional supervised classification with separation condition

Cl\'ement Marteau (ICJ), S\'ebastien Gadat (TSE), S\'ebastien Gerchinovitz (IMT)

arxiv:1801.03345 v1 · 2018-01-10 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{INUDASPVSQTQFJDGMQA4LBCEWH}

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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.

Receipt and verification

First computed	2026-05-18T00:26:17.325395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43683049f5942702a4666401c58444b1f6bfaa06e91be43b75851ce2d76b102e

Aliases

arxiv: 1801.03345 · arxiv_version: 1801.03345v1 · doi: 10.48550/arxiv.1801.03345 · pith_short_12: INUDASPVSQTQ · pith_short_16: INUDASPVSQTQFJDG · pith_short_8: INUDASPV

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/INUDASPVSQTQFJDGMQA4LBCEWH \
  | 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: 43683049f5942702a4666401c58444b1f6bfaa06e91be43b75851ce2d76b102e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7554b6a5d0330a60e69b8fc8443f82603a5953f1d1789dcce79d0cff57dd499a",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2018-01-10T12:32:19Z",
    "title_canon_sha256": "cb6f2b8c5a9b02cf96aaf9b2b2ba556b9edee8857b111ca9996ab1d75454c551"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.03345",
    "kind": "arxiv",
    "version": 1
  }
}