Pith Number

pith:2I23AS76

pith:2017:2I23AS76TNWRYARNU6IYRCRYAS

not attested not anchored not stored refs pending

A Variance Maximization Criterion for Active Learning

Marco Loog, Yazhou Yang

arxiv:1706.07642 v2 · 2017-06-23 · stat.ML · 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{2I23AS76TNWRYARNU6IYRCRYAS}

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	2026-05-18T00:23:56.432897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d235b04bfe9b6d1c022da791888a38048c9c4e0085cf7a446405b8f58f0e83e5

Aliases

arxiv: 1706.07642 · arxiv_version: 1706.07642v2 · doi: 10.48550/arxiv.1706.07642 · pith_short_12: 2I23AS76TNWR · pith_short_16: 2I23AS76TNWRYARN · pith_short_8: 2I23AS76

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/2I23AS76TNWRYARNU6IYRCRYAS \
  | 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: d235b04bfe9b6d1c022da791888a38048c9c4e0085cf7a446405b8f58f0e83e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35edfd02efe79d3015c95861aaa3ce107cabdb5edbc69515f44ef1696a4e6a85",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-06-23T11:38:00Z",
    "title_canon_sha256": "44aa0c2798e78992e9a9a8a781fc7978f9f8337c4b7d1caf79945ed137e645ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07642",
    "kind": "arxiv",
    "version": 2
  }
}