Pith Number

pith:OMMFS2FU

pith:2016:OMMFS2FUG7VJCUAH54JNISY2LK

not attested not anchored not stored refs pending

Expectile Matrix Factorization for Skewed Data Analysis

Di Niu, Linglong Kong, Rui Zhu, Zongpeng Li

arxiv:1606.01984 v3 · 2016-06-07 · stat.ML · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OMMFS2FUG7VJCUAH54JNISY2LK}

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	2026-05-18T00:49:37.931576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73185968b437ea915007ef12d44b1a5abec4e9023bf5c9123521735a54e161f6

Aliases

arxiv: 1606.01984 · arxiv_version: 1606.01984v3 · doi: 10.48550/arxiv.1606.01984 · pith_short_12: OMMFS2FUG7VJ · pith_short_16: OMMFS2FUG7VJCUAH · pith_short_8: OMMFS2FU

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/OMMFS2FUG7VJCUAH54JNISY2LK \
  | 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: 73185968b437ea915007ef12d44b1a5abec4e9023bf5c9123521735a54e161f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30dc6ba88ca82f25ba5d9849c6d6bb5e5e2c6b654fb6c995a5ebcd3385d36445",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2016-06-07T00:53:13Z",
    "title_canon_sha256": "5a82f2f974c32465be91c6d01ac855c25be009bedb60071f43d1c14e5b9e26a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.01984",
    "kind": "arxiv",
    "version": 3
  }
}