Pith Number

pith:JQG4NOC6

pith:2015:JQG4NOC6WPZJ5IMFK47SHIGWZU

not attested not anchored not stored refs pending

Partial Sum Minimization of Singular Values in Robust PCA: Algorithm and Applications

Hyeongwoo Kim, In So Kweon, Jean-Charles Bazin, Tae-Hyun Oh, Yu-Wing Tai

arxiv:1503.01444 v2 · 2015-03-04 · cs.CV · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JQG4NOC6WPZJ5IMFK47SHIGWZU}

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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.

Receipt and verification

First computed	2026-05-17T23:53:58.264517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c0dc6b85eb3f29ea185573f23a0d6cd3eed6f81447a1fa2a8056746906887aa

Aliases

arxiv: 1503.01444 · arxiv_version: 1503.01444v2 · doi: 10.48550/arxiv.1503.01444 · pith_short_12: JQG4NOC6WPZJ · pith_short_16: JQG4NOC6WPZJ5IMF · pith_short_8: JQG4NOC6

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/JQG4NOC6WPZJ5IMFK47SHIGWZU \
  | 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: 4c0dc6b85eb3f29ea185573f23a0d6cd3eed6f81447a1fa2a8056746906887aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "337f4d038297b2692eaececec5adafe02900996fbbf2acb46a5c833da8997816",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-03-04T20:14:35Z",
    "title_canon_sha256": "6e88a35ac712e61dc29defdf3c4b72c73f8fc4b45307f2b42179e360cc2f1a7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01444",
    "kind": "arxiv",
    "version": 2
  }
}