Pith Number

pith:VQEECOH4

pith:2022:VQEECOH445433PWUOUJ7K6JCUI

not attested not anchored not stored refs pending

Nearest Neighbor Classifier with Margin Penalty for Active Learning

Jie Hu, Jinpeng Chen, Mingchuan Yang, Yuan Cao, Zhiqiao Gao

arxiv:2203.09174 v3 · 2022-03-17 · cs.IR · 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{VQEECOH445433PWUOUJ7K6JCUI}

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	2026-07-05T05:03:36.274286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac084138fce779bdbed47513f57922a21af98f9423e525b7dad9a41415e0088a

Aliases

arxiv: 2203.09174 · arxiv_version: 2203.09174v3 · doi: 10.48550/arxiv.2203.09174 · pith_short_12: VQEECOH44543 · pith_short_16: VQEECOH445433PWU · pith_short_8: VQEECOH4

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/VQEECOH445433PWUOUJ7K6JCUI \
  | 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: ac084138fce779bdbed47513f57922a21af98f9423e525b7dad9a41415e0088a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3523eb4f23b4a427675ca595401352265893b3463f9cdb0ee5a5e945f8e1356e",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2022-03-17T08:51:56Z",
    "title_canon_sha256": "db74327289b05bd1982618baf7aa967cde466a259cc7b826142fd123e8f25141"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.09174",
    "kind": "arxiv",
    "version": 3
  }
}