Pith Number

pith:KNWNJ75Y

pith:2018:KNWNJ75YTQKFEBMOWZ5527AEO4

not attested not anchored not stored refs pending

Revisiting the Vector Space Model: Sparse Weighted Nearest-Neighbor Method for Extreme Multi-Label Classification

Kei Kobayashi, Mihoko Minami, Tatsuhiro Aoshima

arxiv:1802.03938 v1 · 2018-02-12 · stat.ML · 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{KNWNJ75YTQKFEBMOWZ5527AEO4}

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	2026-05-18T00:23:49.939478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

536cd4ffb89c1452058eb67bdd7c04772f879ff980c51170fa7913a8b472bbb3

Aliases

arxiv: 1802.03938 · arxiv_version: 1802.03938v1 · doi: 10.48550/arxiv.1802.03938 · pith_short_12: KNWNJ75YTQKF · pith_short_16: KNWNJ75YTQKFEBMO · pith_short_8: KNWNJ75Y

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/KNWNJ75YTQKFEBMOWZ5527AEO4 \
  | 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: 536cd4ffb89c1452058eb67bdd7c04772f879ff980c51170fa7913a8b472bbb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "653244d2df60a710c3a4fb5506476fe38b94b6c00636066b3d77cf8354ff1e49",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-02-12T08:51:57Z",
    "title_canon_sha256": "d9a40bd49149b360756a67b36724c11111a2db647804eeb2256ce319b136f491"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.03938",
    "kind": "arxiv",
    "version": 1
  }
}