Pith Number

pith:2NR6HM5F

pith:2013:2NR6HM5FPHSTMLDQHGIOFR33NO

not attested not anchored not stored refs pending

Noisy Sparse Subspace Clustering

Huan Xu, Yu-Xiang Wang

arxiv:1309.1233 v2 · 2013-09-05 · 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{2NR6HM5FPHSTMLDQHGIOFR33NO}

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	2026-05-18T02:28:55.305792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d363e3b3a579e5362c703990e2c77b6ba7827854c70fde83ab8d79e38b965443

Aliases

arxiv: 1309.1233 · arxiv_version: 1309.1233v2 · doi: 10.48550/arxiv.1309.1233 · pith_short_12: 2NR6HM5FPHST · pith_short_16: 2NR6HM5FPHSTMLDQ · pith_short_8: 2NR6HM5F

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/2NR6HM5FPHSTMLDQHGIOFR33NO \
  | 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: d363e3b3a579e5362c703990e2c77b6ba7827854c70fde83ab8d79e38b965443

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "738b04dd655d796301ca72404ebfc620da183abb033b3d136dc58a9e7f4ba153",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2013-09-05T04:42:00Z",
    "title_canon_sha256": "fdd6adcecb1f8ede43509e109c787e5f02e3e5321063d48559aab6598e08b4d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1233",
    "kind": "arxiv",
    "version": 2
  }
}