Pith Number

pith:XRQQJL6W

pith:2010:XRQQJL6WCAQ4ZQDIY2N42C7EU2

not attested not anchored not stored refs pending

Stable Principal Component Pursuit

Emmanuel Candes, John Wright, Xiaodong Li, Yi Ma, Zihan Zhou

arxiv:1001.2363 v1 · 2010-01-14 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XRQQJL6WCAQ4ZQDIY2N42C7EU2}

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

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

Receipt and verification

First computed	2026-07-04T17:19:33.951369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc6104afd61021ccc068c69bcd0be4a6a9993df17c8cf4d21f8c3f41914099b7

Aliases

arxiv: 1001.2363 · arxiv_version: 1001.2363v1 · doi: 10.48550/arxiv.1001.2363 · pith_short_12: XRQQJL6WCAQ4 · pith_short_16: XRQQJL6WCAQ4ZQDI · pith_short_8: XRQQJL6W

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/XRQQJL6WCAQ4ZQDIY2N42C7EU2 \
  | 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: bc6104afd61021ccc068c69bcd0be4a6a9993df17c8cf4d21f8c3f41914099b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "182f09de659705114500477eeca679690184e7434d0211317c51f80d0be90286",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-01-14T03:35:58Z",
    "title_canon_sha256": "34ebac5fd77c938e58d6c19e96a857ce34bf1da35079a25169731189fc47707d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.2363",
    "kind": "arxiv",
    "version": 1
  }
}