Pith Number

pith:4ERGQ4D4

pith:2021:4ERGQ4D4DT4L3EWVLR7B2A36JM

not attested not anchored not stored refs pending

Active WeaSuL: Improving Weak Supervision with Active Learning

Luiz Otavio Vilas Boas Oliveira, Max Baak, Nanne Aben, Rafah El-Khatib, Samantha Biegel

arxiv:2104.14847 v1 · 2021-04-30 · 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{4ERGQ4D4DT4L3EWVLR7B2A36JM}

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	2026-07-05T02:36:27.153808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e12268707c1cf8bd92d55c7e1d037e4b1c3ae362c5562af475f82497e8cbc1b8

Aliases

arxiv: 2104.14847 · arxiv_version: 2104.14847v1 · doi: 10.48550/arxiv.2104.14847 · pith_short_12: 4ERGQ4D4DT4L · pith_short_16: 4ERGQ4D4DT4L3EWV · pith_short_8: 4ERGQ4D4

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/4ERGQ4D4DT4L3EWVLR7B2A36JM \
  | 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: e12268707c1cf8bd92d55c7e1d037e4b1c3ae362c5562af475f82497e8cbc1b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51006db4e0321324eab43673826b340eab6342d00e852044b38674566fc34465",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-04-30T08:58:26Z",
    "title_canon_sha256": "a1ba3bd3be56fec5130bee46a13ddbc18bdb63921cc14fb9efb9cd3f593a64c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.14847",
    "kind": "arxiv",
    "version": 1
  }
}