Pith Number

pith:WB7J2QLA

pith:2014:WB7J2QLAGFKZGPCFTOIXMIXMLU

not attested not anchored not stored refs pending

Learning with many experts: model selection and sparsity

Rafael Bassi Stern, Rafael Izbicki

arxiv:1405.3292 v1 · 2014-05-13 · stat.ME · 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{WB7J2QLAGFKZGPCFTOIXMIXMLU}

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	2026-05-18T02:51:56.454009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b07e9d41603155933c459b917622ec5d0e9c9d9cb82add43e6af90edbe350d4f

Aliases

arxiv: 1405.3292 · arxiv_version: 1405.3292v1 · doi: 10.48550/arxiv.1405.3292 · pith_short_12: WB7J2QLAGFKZ · pith_short_16: WB7J2QLAGFKZGPCF · pith_short_8: WB7J2QLA

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/WB7J2QLAGFKZGPCFTOIXMIXMLU \
  | 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: b07e9d41603155933c459b917622ec5d0e9c9d9cb82add43e6af90edbe350d4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1b4815f529d281c369792018bde2df935da300b3f3990cd2c2f28b47f210bb4",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2014-05-13T20:03:14Z",
    "title_canon_sha256": "54098b104f18c4cfb83fd14abcad454306f3dbbbfe2b2f13579e364a9550a29c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.3292",
    "kind": "arxiv",
    "version": 1
  }
}