Pith Number

pith:4UEPZRL2

pith:2022:4UEPZRL2LOPHMBPGEK7AWQIKON

not attested not anchored not stored refs pending

Batch Active Learning from the Perspective of Sparse Approximation

Bowen Jiang, Jacky Yibo Zhang, Maohao Shen, Oluwasanmi Koyejo

arxiv:2211.00246 v2 · 2022-11-01 · 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{4UEPZRL2LOPHMBPGEK7AWQIKON}

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	2026-07-05T05:13:40.009526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e508fcc57a5b9e7605e622be0b410a73619f32f9de97cbccffb29f1a43cdacd9

Aliases

arxiv: 2211.00246 · arxiv_version: 2211.00246v2 · doi: 10.48550/arxiv.2211.00246 · pith_short_12: 4UEPZRL2LOPH · pith_short_16: 4UEPZRL2LOPHMBPG · pith_short_8: 4UEPZRL2

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/4UEPZRL2LOPHMBPGEK7AWQIKON \
  | 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: e508fcc57a5b9e7605e622be0b410a73619f32f9de97cbccffb29f1a43cdacd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe84711a93171a6e9557cda8ba4028cbe1174414c1d72add4c4f96f7cb3516a1",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-11-01T03:20:28Z",
    "title_canon_sha256": "4f8740b71bc6473959316086bff831a218d3778a2760e709d4fd4a6818b5a82c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.00246",
    "kind": "arxiv",
    "version": 2
  }
}