Pith Number

pith:GMTGFYAZ

pith:2018:GMTGFYAZPRYRX73EYCNVNWQHFL

not attested not anchored not stored refs pending

Online Compact Convexified Factorization Machine

Peilin Zhao, Wenpeng Zhang, Xiao Lin

arxiv:1802.01379 v1 · 2018-02-05 · 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{GMTGFYAZPRYRX73EYCNVNWQHFL}

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	2026-05-18T00:24:26.549384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

332662e0197c711bff64c09b56da072aeeeaf6ab39c7c38a7b441b38a5c2a8a4

Aliases

arxiv: 1802.01379 · arxiv_version: 1802.01379v1 · doi: 10.48550/arxiv.1802.01379 · pith_short_12: GMTGFYAZPRYR · pith_short_16: GMTGFYAZPRYRX73E · pith_short_8: GMTGFYAZ

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/GMTGFYAZPRYRX73EYCNVNWQHFL \
  | 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: 332662e0197c711bff64c09b56da072aeeeaf6ab39c7c38a7b441b38a5c2a8a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e57f8cc6e786014f703af7fcdc91416891426b66b955574fc0aee1827fd57a90",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-02-05T13:24:56Z",
    "title_canon_sha256": "f52bfe9ebfbfd558c2697a1bc9d484ba573bf0fd33763641cfd20a77af397e7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01379",
    "kind": "arxiv",
    "version": 1
  }
}