Pith Number

pith:IXEBBUY3

pith:2018:IXEBBUY36UUOZG2SNQCJMSWWE6

not attested not anchored not stored refs pending

Fast, Parameter free Outlier Identification for Robust PCA

Sheetal Kalyani, Vishnu Menon

arxiv:1804.04791 v1 · 2018-04-13 · stat.ML · 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{IXEBBUY36UUOZG2SNQCJMSWWE6}

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	2026-05-18T00:18:34.970496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45c810d31bf528ec9b526c04964ad6278566ff2b92c162d78d9dc78f15e7a1f6

Aliases

arxiv: 1804.04791 · arxiv_version: 1804.04791v1 · doi: 10.48550/arxiv.1804.04791 · pith_short_12: IXEBBUY36UUO · pith_short_16: IXEBBUY36UUOZG2S · pith_short_8: IXEBBUY3

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/IXEBBUY36UUOZG2SNQCJMSWWE6 \
  | 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: 45c810d31bf528ec9b526c04964ad6278566ff2b92c162d78d9dc78f15e7a1f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22ba3dc861b80f2e45e8a3a19dd0896fb71facb46e88f0efffd4d9ff0a14e849",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-04-13T05:35:19Z",
    "title_canon_sha256": "8e399f5e8e35f778dca69ec8e09003cf72b8bc9cb15311668af0cf273d424c65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04791",
    "kind": "arxiv",
    "version": 1
  }
}