Pith Number

pith:XJKJPGAB

pith:2025:XJKJPGABOP5BILKIWHLJUWQEMH

not attested not anchored not stored refs pending

A Simple but Effective Closed-form Solution for Extreme Multi-label Learning

Katsuhiko Hayashi, Kazuma Onishi

arxiv:2501.10179 v1 · 2025-01-17 · cs.IR · cs.AI · cs.CL · 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{XJKJPGABOP5BILKIWHLJUWQEMH}

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	2026-07-05T10:02:17.886996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba5497980173fa142d48b1d69a5a0461c6e832bc9cc63ff1f0ca33ed00358204

Aliases

arxiv: 2501.10179 · arxiv_version: 2501.10179v1 · doi: 10.48550/arxiv.2501.10179 · pith_short_12: XJKJPGABOP5B · pith_short_16: XJKJPGABOP5BILKI · pith_short_8: XJKJPGAB

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/XJKJPGABOP5BILKIWHLJUWQEMH \
  | 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: ba5497980173fa142d48b1d69a5a0461c6e832bc9cc63ff1f0ca33ed00358204

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "450326b82fb2cef7d23083dd4327938fe21534dfa28c9d94ceae5f9c7673f98d",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-01-17T13:24:13Z",
    "title_canon_sha256": "8e04fccec54b9fbfd8f1a076c8c05ec580fc7386bd36d2b504df57709184c788"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.10179",
    "kind": "arxiv",
    "version": 1
  }
}