Pith Number

pith:KH5C7AL7

pith:2022:KH5C7AL72FEJJNPR2COJEUXMNF

not attested not anchored not stored refs pending

Robust PCA for High Dimensional Data based on Characteristic Transformation

Bo Zhang, Lingyu He, Yanrong Yang

arxiv:2204.01042 v1 · 2022-04-03 · 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{KH5C7AL72FEJJNPR2COJEUXMNF}

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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

Robust Heteroskedastic Matrix Factorization: A Generalization of PCA that Flags Outliers and Handles Missing Data

Receipt and verification

First computed	2026-07-05T04:11:14.873489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51fa2f817fd14894b5f1d09c9252ec697ad9b013e84c11067aa3f4c31c280b38

Aliases

arxiv: 2204.01042 · arxiv_version: 2204.01042v1 · doi: 10.48550/arxiv.2204.01042 · pith_short_12: KH5C7AL72FEJ · pith_short_16: KH5C7AL72FEJJNPR · pith_short_8: KH5C7AL7

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/KH5C7AL72FEJJNPR2COJEUXMNF \
  | 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: 51fa2f817fd14894b5f1d09c9252ec697ad9b013e84c11067aa3f4c31c280b38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6545ed645caaeff5ded9b858604160be505209fbaa8e95ff0f7a6f2388764812",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2022-04-03T10:34:15Z",
    "title_canon_sha256": "81e397f10428d7c197b75b9fe8a4bb349c2f62dfe547241f45d63ce96d7cb098"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.01042",
    "kind": "arxiv",
    "version": 1
  }
}