Pith Number

pith:KFXKARHG

pith:2018:KFXKARHGADHDLGHUIW3NSAFKRA

not attested not anchored not stored refs pending

Matrix Completion from Non-Uniformly Sampled Entries

Jinfeng Yi, Lijun Zhang, Yuanyu Wan

arxiv:1806.10308 v1 · 2018-06-27 · 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{KFXKARHGADHDLGHUIW3NSAFKRA}

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	2026-05-18T00:12:12.862567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

516ea044e600ce3598f445b6d900aa88172f1ba3c6b421a1d89db019111d6f64

Aliases

arxiv: 1806.10308 · arxiv_version: 1806.10308v1 · doi: 10.48550/arxiv.1806.10308 · pith_short_12: KFXKARHGADHD · pith_short_16: KFXKARHGADHDLGHU · pith_short_8: KFXKARHG

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/KFXKARHGADHDLGHUIW3NSAFKRA \
  | 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: 516ea044e600ce3598f445b6d900aa88172f1ba3c6b421a1d89db019111d6f64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a33d73eccf13038c31f76e5f314952e6ad6545531f3903c51d4cd69d0522424b",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-06-27T05:57:09Z",
    "title_canon_sha256": "6719f51517ee44f4cd4a5354aebd54400eacb55bea005cf8a1a6eef67504fcc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.10308",
    "kind": "arxiv",
    "version": 1
  }
}