Pith Number

pith:ZHT2QYDW

pith:2022:ZHT2QYDW3PZ7ZY7UQ62GJR2N2K

not attested not anchored not stored refs pending

Stochastic and Private Nonconvex Outlier-Robust PCA

Chenyu Yu, Gilad Lerman, Tyler Maunu

arxiv:2203.09276 v1 · 2022-03-17 · cs.LG · cs.CR · 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{ZHT2QYDW3PZ7ZY7UQ62GJR2N2K}

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	2026-07-05T04:06:09.642668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9e7a86076dbf3fce3f487b464c74dd291db5a3bf3078cd8ab24c2aa7ad79fc2

Aliases

arxiv: 2203.09276 · arxiv_version: 2203.09276v1 · doi: 10.48550/arxiv.2203.09276 · pith_short_12: ZHT2QYDW3PZ7 · pith_short_16: ZHT2QYDW3PZ7ZY7U · pith_short_8: ZHT2QYDW

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/ZHT2QYDW3PZ7ZY7UQ62GJR2N2K \
  | 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: c9e7a86076dbf3fce3f487b464c74dd291db5a3bf3078cd8ab24c2aa7ad79fc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c11e30980e530861e1bcdaa899dcf8a318ef7425d7c877ea54b3dd60ff0f2361",
    "cross_cats_sorted": [
      "cs.CR",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-03-17T12:00:47Z",
    "title_canon_sha256": "82e19406a4feb926d428d62f155eed33c7c2cc5acdb28b2212b8c09b0f7ed0cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.09276",
    "kind": "arxiv",
    "version": 1
  }
}