Pith Number

pith:YLZ7EFMN

pith:2021:YLZ7EFMNPKCIYXT6JZU7B76HC5

not attested not anchored not stored refs pending

Multi-source Learning via Completion of Block-wise Overlapping Noisy Matrices

Doudou Zhou, Junwei Lu, Tianxi Cai

arxiv:2105.10360 v3 · 2021-05-21 · stat.ML · cs.LG · math.ST · stat.AP · stat.ME · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YLZ7EFMNPKCIYXT6JZU7B76HC5}

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	2026-07-05T03:21:11.201838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2f3f2158d7a848c5e7e4e69f0ffc7175b8fedd8723ebf83114ad6ffacb99027

Aliases

arxiv: 2105.10360 · arxiv_version: 2105.10360v3 · doi: 10.48550/arxiv.2105.10360 · pith_short_12: YLZ7EFMNPKCI · pith_short_16: YLZ7EFMNPKCIYXT6 · pith_short_8: YLZ7EFMN

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/YLZ7EFMNPKCIYXT6JZU7B76HC5 \
  | 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: c2f3f2158d7a848c5e7e4e69f0ffc7175b8fedd8723ebf83114ad6ffacb99027

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1de0497d7b76e73fb1107575ade3c5844837c9991b85904a7e871dd64f25847b",
    "cross_cats_sorted": [
      "cs.LG",
      "math.ST",
      "stat.AP",
      "stat.ME",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2021-05-21T13:55:30Z",
    "title_canon_sha256": "e077b3d9d3387ab0195d238aa3afdde5a3a6d69574736ee80c9b406c3d0b825f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.10360",
    "kind": "arxiv",
    "version": 3
  }
}