Pith Number

pith:W3UXFRDC

pith:2019:W3UXFRDCHRR5MVTRO3M6CLUMM2

not attested not anchored not stored refs pending

Exploring Representativeness and Informativeness for Active Learning

Bo Du, Dacheng Tao, Jialie Shen, Lefei Zhang, Liangpei Zhang, Wei Liu, Zengmao Wang

arxiv:1904.06685 v1 · 2019-04-14 · 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{W3UXFRDCHRR5MVTRO3M6CLUMM2}

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	2026-05-17T23:48:36.491653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6e972c4623c63d6567176d9e12e8c668318575fa1be0bf8a7f946f8816e3b58

Aliases

arxiv: 1904.06685 · arxiv_version: 1904.06685v1 · doi: 10.48550/arxiv.1904.06685 · pith_short_12: W3UXFRDCHRR5 · pith_short_16: W3UXFRDCHRR5MVTR · pith_short_8: W3UXFRDC

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/W3UXFRDCHRR5MVTRO3M6CLUMM2 \
  | 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: b6e972c4623c63d6567176d9e12e8c668318575fa1be0bf8a7f946f8816e3b58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "843ba11868f22eaf311325ba63bc98f51dc9da2142dba2d37a6f36b2d1ca8ad2",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-04-14T12:18:42Z",
    "title_canon_sha256": "d284203bbb3348a5bc871d187b6e6a49d0c0af7ce16e3342ef1edf162bf29245"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.06685",
    "kind": "arxiv",
    "version": 1
  }
}