Pith Number

pith:FPAGRIXU

pith:2017:FPAGRIXU6LFYJD4CJIRQXL7HH7

not attested not anchored not stored refs pending

Accelerated Alternating Projections for Robust Principal Component Analysis

HanQin Cai, Jian-Feng Cai, Ke Wei

arxiv:1711.05519 v4 · 2017-11-15 · cs.IT · cs.LG · cs.NA · math.IT · math.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FPAGRIXU6LFYJD4CJIRQXL7HH7}

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	2026-06-04T19:11:14.832029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bc068a2f4f2cb848f824a230bafe73fc35e752338f771bf8bd985494db586bc

Aliases

arxiv: 1711.05519 · arxiv_version: 1711.05519v4 · doi: 10.48550/arxiv.1711.05519 · pith_short_12: FPAGRIXU6LFY · pith_short_16: FPAGRIXU6LFYJD4C · pith_short_8: FPAGRIXU

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/FPAGRIXU6LFYJD4CJIRQXL7HH7 \
  | 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: 2bc068a2f4f2cb848f824a230bafe73fc35e752338f771bf8bd985494db586bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7dc15b740888359f3346294c2b9f790c6c2e2c3e6cc8f450bb3ae7b3094e35e",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "math.IT",
      "math.NA",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-11-15T12:24:49Z",
    "title_canon_sha256": "fc251b320a1c6e6433c9683f1d114c866fabfdf378e9c5b84d554a693f9d86ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.05519",
    "kind": "arxiv",
    "version": 4
  }
}