Pith Number

pith:5QDO2MRB

pith:2015:5QDO2MRBJ5BRCSBQMAMFKX7ZVG

not attested not anchored not stored refs pending

Unconfused ultraconservative multiclass algorithms

Liva Ralaivola, Ugo Louche

arxiv:1506.07254 v1 · 2015-06-24 · 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{5QDO2MRBJ5BRCSBQMAMFKX7ZVG}

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	2026-05-18T01:39:54.468658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec06ed32214f431148306018555ff9a9a0f50dea47cb734cb81c14992b439b80

Aliases

arxiv: 1506.07254 · arxiv_version: 1506.07254v1 · doi: 10.48550/arxiv.1506.07254 · pith_short_12: 5QDO2MRBJ5BR · pith_short_16: 5QDO2MRBJ5BRCSBQ · pith_short_8: 5QDO2MRB

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/5QDO2MRBJ5BRCSBQMAMFKX7ZVG \
  | 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: ec06ed32214f431148306018555ff9a9a0f50dea47cb734cb81c14992b439b80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cce3933cee4db3da0b522a9757bd0d51b95f63b9da308eb7c5fe60ac14bfd627",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-06-24T06:31:21Z",
    "title_canon_sha256": "2961c29dd78baf147db775b0d48fa2472845c125ba86a7cc674fe89d721d931d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07254",
    "kind": "arxiv",
    "version": 1
  }
}