Pith Number

pith:XAPBLNFB

pith:2014:XAPBLNFBOCLSNEMAMB522ELO5R

not attested not anchored not stored refs pending

Unconfused Ultraconservative Multiclass Algorithms

Liva Ralaivola (LIF), Ugo Louche (LIF)

arxiv:1403.5115 v1 · 2014-03-20 · 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{XAPBLNFBOCLSNEMAMB522ELO5R}

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	2026-05-18T02:55:58.201221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b81e15b4a17097269180607bad116eec7b6a37ce5271888b0cb96ab013701ecc

Aliases

arxiv: 1403.5115 · arxiv_version: 1403.5115v1 · doi: 10.48550/arxiv.1403.5115 · pith_short_12: XAPBLNFBOCLS · pith_short_16: XAPBLNFBOCLSNEMA · pith_short_8: XAPBLNFB

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/XAPBLNFBOCLSNEMAMB522ELO5R \
  | 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: b81e15b4a17097269180607bad116eec7b6a37ce5271888b0cb96ab013701ecc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92ea20630eb7a4e0d5f9cfc9efbdd9c0c7dd82ca8e5e349c7837066946a5ef7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-03-20T12:46:33Z",
    "title_canon_sha256": "2961c29dd78baf147db775b0d48fa2472845c125ba86a7cc674fe89d721d931d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.5115",
    "kind": "arxiv",
    "version": 1
  }
}