Pith Number

pith:SLLQX36R

pith:2018:SLLQX36RVHIJTGRXKUDLLGGVLL

not attested not anchored not stored refs pending

Active Feature Acquisition with Supervised Matrix Completion

Gang Niu, Masashi Sugiyama, Miao Xu, Ming-Kun Xie, Sheng-Jun Huang, Songcan Chen

arxiv:1802.05380 v2 · 2018-02-15 · 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{SLLQX36RVHIJTGRXKUDLLGGVLL}

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	2026-05-18T00:14:14.020873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92d70befd1a9d0999a375506b598d55af7a6d75eedce399ef6dc7c3bfdbdd6b3

Aliases

arxiv: 1802.05380 · arxiv_version: 1802.05380v2 · doi: 10.48550/arxiv.1802.05380 · pith_short_12: SLLQX36RVHIJ · pith_short_16: SLLQX36RVHIJTGRX · pith_short_8: SLLQX36R

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/SLLQX36RVHIJTGRXKUDLLGGVLL \
  | 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: 92d70befd1a9d0999a375506b598d55af7a6d75eedce399ef6dc7c3bfdbdd6b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "409f0f637f82ce620199562ce8a778cc20d30877a7fa227f7451997e30742927",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-02-15T01:46:59Z",
    "title_canon_sha256": "51595f9098d0b0203529b06f41e66f219b67ef2f4ea8187503f6dff873afb754"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05380",
    "kind": "arxiv",
    "version": 2
  }
}