Pith Number

pith:MMZFBPH7

pith:2019:MMZFBPH7QIE6WJHRUHLCQ74HHM

not attested not anchored not stored refs pending

LightMC: A Dynamic and Efficient Multiclass Decomposition Algorithm

Guolin Ke, Jiang Bian, Tieyan Liu, Ziyu Liu

arxiv:1908.09362 v1 · 2019-08-25 · cs.LG · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MMZFBPH7QIE6WJHRUHLCQ74HHM}

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	2026-07-04T23:59:39.455972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

633250bcff8209eb24f1a1d6287f873b1661661b135fd89554cd2bb91ec66584

Aliases

arxiv: 1908.09362 · arxiv_version: 1908.09362v1 · doi: 10.48550/arxiv.1908.09362 · pith_short_12: MMZFBPH7QIE6 · pith_short_16: MMZFBPH7QIE6WJHR · pith_short_8: MMZFBPH7

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/MMZFBPH7QIE6WJHRUHLCQ74HHM \
  | 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: 633250bcff8209eb24f1a1d6287f873b1661661b135fd89554cd2bb91ec66584

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78220c67549084e0b447a33e5df997df5cf23cbd9d2f35b4e065663302f8744d",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-08-25T17:12:01Z",
    "title_canon_sha256": "9841023754d81dc38bc39a1dc21180218d4dfe0718df0e816fd0c9862c3b2857"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09362",
    "kind": "arxiv",
    "version": 1
  }
}