Pith Number

pith:ZB2WCXLK

pith:2018:ZB2WCXLKR7EVNX5MUIMM2LOQAF

not attested not anchored not stored refs pending

Less but Better: Generalization Enhancement of Ordinal Embedding via Distributional Margin

Ke Ma, Qianqian Xu, Xiaochun Cao, Zhiyong Yang

arxiv:1812.01939 v1 · 2018-12-05 · 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{ZB2WCXLKR7EVNX5MUIMM2LOQAF}

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	2026-05-17T23:59:00.160015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c875615d6a8fc956dfaca218cd2dd0015640fd1d6170015b9b0f3ebc09a2ef6f

Aliases

arxiv: 1812.01939 · arxiv_version: 1812.01939v1 · doi: 10.48550/arxiv.1812.01939 · pith_short_12: ZB2WCXLKR7EV · pith_short_16: ZB2WCXLKR7EVNX5M · pith_short_8: ZB2WCXLK

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/ZB2WCXLKR7EVNX5MUIMM2LOQAF \
  | 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: c875615d6a8fc956dfaca218cd2dd0015640fd1d6170015b9b0f3ebc09a2ef6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d1ae8da79c19d54ec5bf332e0754182310036d98c21d70bb2a59de623064e36",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-12-05T12:03:39Z",
    "title_canon_sha256": "e9d0b575b8a07a25ba7f86748fedc89959f4e8b6750552f3dcdba187b9a17930"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.01939",
    "kind": "arxiv",
    "version": 1
  }
}