Pith Number

pith:OOYZP7K7

pith:2022:OOYZP7K7Y7ZHINEBAQFCECNBQB

not attested not anchored not stored refs pending

Analysis of Sparse Subspace Clustering: Experiments and Random Projection

Enrico Au-Yeung, Mehmet F. Demirel

arxiv:2204.00723 v1 · 2022-04-01 · cs.LG · 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{OOYZP7K7Y7ZHINEBAQFCECNBQB}

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	2026-07-05T04:10:55.467747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73b197fd5fc7f2743481040a2209a18054a8d6f32cb79d965d50d798ea50a81e

Aliases

arxiv: 2204.00723 · arxiv_version: 2204.00723v1 · doi: 10.48550/arxiv.2204.00723 · pith_short_12: OOYZP7K7Y7ZH · pith_short_16: OOYZP7K7Y7ZHINEB · pith_short_8: OOYZP7K7

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/OOYZP7K7Y7ZHINEBAQFCECNBQB \
  | 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: 73b197fd5fc7f2743481040a2209a18054a8d6f32cb79d965d50d798ea50a81e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1a33e9376d6556befc8bc2d78b908d85227412da6cf4a7209e5789af59208cd",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-04-01T23:55:53Z",
    "title_canon_sha256": "8c78d2da7dc805bb8139ad0753cc9dc944219cf8d0396c362c1606cd741c89dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.00723",
    "kind": "arxiv",
    "version": 1
  }
}