Pith Number

pith:KF665J2Z

pith:2015:KF665J2ZLGWP2HBRKFN32SZZXH

not attested not anchored not stored refs pending

Classification and regression using an outer approximation projection-gradient method

Lionel Fillatre, Michel Barlaud, Patrick L. Combettes, Wafa Belhajali

arxiv:1506.02196 v4 · 2015-06-06 · math.ST · stat.ML · 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{KF665J2ZLGWP2HBRKFN32SZZXH}

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	2026-05-18T00:48:01.503110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

517deea75959acfd1c31515bbd4b39b9d64105377f9a177c792cc92b61a6d37d

Aliases

arxiv: 1506.02196 · arxiv_version: 1506.02196v4 · doi: 10.48550/arxiv.1506.02196 · pith_short_12: KF665J2ZLGWP · pith_short_16: KF665J2ZLGWP2HBR · pith_short_8: KF665J2Z

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/KF665J2ZLGWP2HBRKFN32SZZXH \
  | 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: 517deea75959acfd1c31515bbd4b39b9d64105377f9a177c792cc92b61a6d37d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37583b6f2d796533bf17167d24a70529b4e5c3df02e0aeb924286a7ffe1d3f89",
    "cross_cats_sorted": [
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2015-06-06T21:47:02Z",
    "title_canon_sha256": "8f7e3df700c12974d04e711b37fcb7eca2a9fd0254c97a21db007bd79f7ec3a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.02196",
    "kind": "arxiv",
    "version": 4
  }
}