Pith Number

pith:L7GXRES3

pith:2016:L7GXRES3BBYNPVKB5EOUZMOY46

not attested not anchored not stored refs pending

Fast Algorithms for Robust PCA via Gradient Descent

Constantine Caramanis, Dohyung Park, Xinyang Yi, Yudong Chen

arxiv:1605.07784 v2 · 2016-05-25 · cs.IT · cs.LG · math.IT · math.ST · stat.ML · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L7GXRES3BBYNPVKB5EOUZMOY46}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:04:27.622719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fcd78925b0870d7d541e91d4cb1d8e7849b747656efa50f09b5ce7895cedc85

Aliases

arxiv: 1605.07784 · arxiv_version: 1605.07784v2 · doi: 10.48550/arxiv.1605.07784 · pith_short_12: L7GXRES3BBYN · pith_short_16: L7GXRES3BBYNPVKB · pith_short_8: L7GXRES3

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/L7GXRES3BBYNPVKB5EOUZMOY46 \
  | 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: 5fcd78925b0870d7d541e91d4cb1d8e7849b747656efa50f09b5ce7895cedc85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "558ab352ba11f28f940eaef49a834f983943059544e90097470271603245e2f8",
    "cross_cats_sorted": [
      "cs.LG",
      "math.IT",
      "math.ST",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-05-25T09:10:07Z",
    "title_canon_sha256": "cfcd99e653c0ae20c9696a18a0b612a44288b498918f2f114cd1cb105f6fd65b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.07784",
    "kind": "arxiv",
    "version": 2
  }
}