Pith Number

pith:YSRVKIW2

pith:2021:YSRVKIW2RWRT7GCBLK7YGQXYWF

not attested not anchored not stored refs pending

Matrix completion with data-dependent missingness probabilities

Sohom Bhattacharya, Sourav Chatterjee

arxiv:2106.02290 v3 · 2021-06-04 · math.ST · cs.IT · math.IT · math.PR · 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{YSRVKIW2RWRT7GCBLK7YGQXYWF}

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.

Cited by

1 paper in Pith

Two-Sided Nearest Neighbors: An adaptive and minimax optimal procedure for matrix completion

Receipt and verification

First computed	2026-07-05T04:16:51.828502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4a35522da8da33f98415abf8342f8b17898a7727423f92cf0ebf40301636326

Aliases

arxiv: 2106.02290 · arxiv_version: 2106.02290v3 · doi: 10.48550/arxiv.2106.02290 · pith_short_12: YSRVKIW2RWRT · pith_short_16: YSRVKIW2RWRT7GCB · pith_short_8: YSRVKIW2

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/YSRVKIW2RWRT7GCBLK7YGQXYWF \
  | 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: c4a35522da8da33f98415abf8342f8b17898a7727423f92cf0ebf40301636326

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05baa041487f6877a2773bd0eed641411fc2a840cf7c486b8d9930e5421d28b2",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "math.PR",
      "stat.ME",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2021-06-04T07:07:14Z",
    "title_canon_sha256": "50de21f90e8a4d4808317fcd9e6725efb02f651eb6444d29c540dcf57e375896"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.02290",
    "kind": "arxiv",
    "version": 3
  }
}