Pith Number

pith:Y3UC2U7D

pith:2021:Y3UC2U7DYM6HBA4SAR3DWB7JTY

not attested not anchored not stored refs pending

Boosting Active Learning via Improving Test Performance

Cheng-zhong Xu, Guosheng Hu, Min Xu, Pengkun Yang, Siyu Huang, Tianyang Wang, Xiangrui Zeng, Xingjian Li

arxiv:2112.05683 v2 · 2021-12-10 · 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{Y3UC2U7DYM6HBA4SAR3DWB7JTY}

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	2026-07-05T03:50:53.063541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6e82d53e3c33c70839204763b07e99e3b0495e2bbd6d6570ec77b4b8a239f3c

Aliases

arxiv: 2112.05683 · arxiv_version: 2112.05683v2 · doi: 10.48550/arxiv.2112.05683 · pith_short_12: Y3UC2U7DYM6H · pith_short_16: Y3UC2U7DYM6HBA4S · pith_short_8: Y3UC2U7D

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/Y3UC2U7DYM6HBA4SAR3DWB7JTY \
  | 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: c6e82d53e3c33c70839204763b07e99e3b0495e2bbd6d6570ec77b4b8a239f3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7f544c4cbfc1ba8c93fca68bcd334cc8c293f4d7b9e3f1df8c0a5432ec28e57",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-12-10T17:25:14Z",
    "title_canon_sha256": "6f2771a596d68245e20f1555c778a669fa1e69a1da7a820d26970195f2675784"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.05683",
    "kind": "arxiv",
    "version": 2
  }
}