Pith Number

pith:GIBRLAPP

pith:2019:GIBRLAPP4BOJBYVXQIOUSO6YYZ

not attested not anchored not stored refs pending

Robust Matrix Completion via Maximum Correntropy Criterion and Half Quadratic Optimization

Badong Chen, Fei Wang, Jing Qin, Yicong He, Yingsong Li

arxiv:1903.06055 v1 · 2019-03-14 · 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{GIBRLAPP4BOJBYVXQIOUSO6YYZ}

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	2026-07-05T00:41:25.283617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32031581efe05c90e2b7821d493bd8c6472e3a5c1811009e0089400eb433aa4d

Aliases

arxiv: 1903.06055 · arxiv_version: 1903.06055v1 · doi: 10.48550/arxiv.1903.06055 · pith_short_12: GIBRLAPP4BOJ · pith_short_16: GIBRLAPP4BOJBYVX · pith_short_8: GIBRLAPP

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/GIBRLAPP4BOJBYVXQIOUSO6YYZ \
  | 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: 32031581efe05c90e2b7821d493bd8c6472e3a5c1811009e0089400eb433aa4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08bb74dc04dd75c73c9aae46838f6bf855d0d040f916c0a8232f3f07f2350f1a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-03-14T14:50:34Z",
    "title_canon_sha256": "37bc392f979afef22b61fe45362d5e90361adf48b67c3a0100f2e3f1dd622cab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.06055",
    "kind": "arxiv",
    "version": 1
  }
}