Pith Number

pith:L7OLBHRT

pith:2020:L7OLBHRTJYEAQUTLSSASSVMFDK

not attested not anchored not stored refs pending

Fast Robust Subspace Tracking via PCA in Sparse Data-Dependent Noise

Namrata Vaswani, Praneeth Narayanamurthy

arxiv:2006.08030 v3 · 2020-06-14 · cs.LG · cs.IT · math.IT · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L7OLBHRTJYEAQUTLSSASSVMFDK}

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	2026-07-05T04:53:23.750153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fdcb09e334e0808526b94812955851ab235dbc8730c4e3fca09fbf8d4f0c8cc

Aliases

arxiv: 2006.08030 · arxiv_version: 2006.08030v3 · doi: 10.48550/arxiv.2006.08030 · pith_short_12: L7OLBHRTJYEA · pith_short_16: L7OLBHRTJYEAQUTL · pith_short_8: L7OLBHRT

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/L7OLBHRTJYEAQUTLSSASSVMFDK \
  | 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: 5fdcb09e334e0808526b94812955851ab235dbc8730c4e3fca09fbf8d4f0c8cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08dd1572e29c72b0a95365066faac15c724b354b77c04c59427c4a54b0282fd1",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-06-14T21:35:30Z",
    "title_canon_sha256": "7b0491321c3177b96ee59cbbdeb7b83f38803d0a4bc9ce3c52ea110993f9cf36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.08030",
    "kind": "arxiv",
    "version": 3
  }
}