Pith Number

pith:EYYMLKZS

pith:2021:EYYMLKZSSQTBQIQIPWX3ZJZAKM

not attested not anchored not stored refs pending

Active learning for imbalanced data under cold start

Jo\~ao Tiago Ascens\~ao, Marco O. P. Sampaio, Miguel Leite, Pedro Bizarro, Ricardo Barata, Ricardo Pacheco

arxiv:2107.07724 v2 · 2021-07-16 · cs.LG · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EYYMLKZSSQTBQIQIPWX3ZJZAKM}

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	2026-07-05T03:24:44.238054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2630c5ab3294261822087dafbca7205308dabc4c7175a11fd71f678956a510ea

Aliases

arxiv: 2107.07724 · arxiv_version: 2107.07724v2 · doi: 10.48550/arxiv.2107.07724 · pith_short_12: EYYMLKZSSQTB · pith_short_16: EYYMLKZSSQTBQIQI · pith_short_8: EYYMLKZS

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/EYYMLKZSSQTBQIQIPWX3ZJZAKM \
  | 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: 2630c5ab3294261822087dafbca7205308dabc4c7175a11fd71f678956a510ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70673f7d49674c7e522c315902507e31b71a45ea87602f06e165b185295fb27b",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-07-16T06:49:20Z",
    "title_canon_sha256": "07e4f60c4ed0e37fa95ac614a3cc769405e58a53416126a77e5a03eabb948700"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.07724",
    "kind": "arxiv",
    "version": 2
  }
}