Pith Number

pith:2N4ZTMCL

pith:2021:2N4ZTMCLU46XRGS5JOT3N4IR3O

not attested not anchored not stored refs pending

Learned Robust PCA: A Scalable Deep Unfolding Approach for High-Dimensional Outlier Detection

HanQin Cai, Jialin Liu, Wotao Yin

arxiv:2110.05649 v1 · 2021-10-11 · cs.LG · cs.CV · cs.IT · cs.NA · math.IT · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2N4ZTMCLU46XRGS5JOT3N4IR3O}

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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	2026-07-05T05:45:25.335029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d37999b04ba73d789a5d4ba7b6f111dbb231bdbee429bfce8c62fca8328fb08b

Aliases

arxiv: 2110.05649 · arxiv_version: 2110.05649v1 · doi: 10.48550/arxiv.2110.05649 · pith_short_12: 2N4ZTMCLU46X · pith_short_16: 2N4ZTMCLU46XRGS5 · pith_short_8: 2N4ZTMCL

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/2N4ZTMCLU46XRGS5JOT3N4IR3O \
  | 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: d37999b04ba73d789a5d4ba7b6f111dbb231bdbee429bfce8c62fca8328fb08b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c47b99608718a5a77c371f8ff075da88a74d64bc959b9be40d9a9ade546a08d",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.IT",
      "cs.NA",
      "math.IT",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-10-11T23:37:55Z",
    "title_canon_sha256": "46fabc6fc2e7c1dd21e60e0d0f3cd4407ad8b2773d107a6eb0fed431047153c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.05649",
    "kind": "arxiv",
    "version": 1
  }
}