Pith Number

pith:UOTB4RVJ

pith:2017:UOTB4RVJ5ZP5R724ZHIVG7K7VJ

not attested not anchored not stored refs pending

Robust Subspace Learning: Robust PCA, Robust Subspace Tracking, and Robust Subspace Recovery

Namrata Vaswani, Praneeth Narayanamurthy, Sajid Javed, Thierry Bouwmans

arxiv:1711.09492 v4 · 2017-11-26 · cs.IT · cs.CV · math.IT · stat.ME · 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{UOTB4RVJ5ZP5R724ZHIVG7K7VJ}

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	2026-07-05T01:13:04.346535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3a61e46a9ee5fd8ff5cc9d1537d5faa58859d0bd17132554eff07ae0059c311

Aliases

arxiv: 1711.09492 · arxiv_version: 1711.09492v4 · doi: 10.48550/arxiv.1711.09492 · pith_short_12: UOTB4RVJ5ZP5 · pith_short_16: UOTB4RVJ5ZP5R724 · pith_short_8: UOTB4RVJ

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/UOTB4RVJ5ZP5R724ZHIVG7K7VJ \
  | 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: a3a61e46a9ee5fd8ff5cc9d1537d5faa58859d0bd17132554eff07ae0059c311

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "559e6b8b6c7a438ee1f5357514576b952c0d4fe2157b555d972695452b3c2e53",
    "cross_cats_sorted": [
      "cs.CV",
      "math.IT",
      "stat.ME",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-11-26T23:52:53Z",
    "title_canon_sha256": "9d8551c648652d28990cb81106b5ed787fc5936fa783482478830d8a62e4cc74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.09492",
    "kind": "arxiv",
    "version": 4
  }
}