Pith Number

pith:IUQKBOEQ

pith:2012:IUQKBOEQMX5CNCV5RD6VRRV5MM

not attested not anchored not stored refs pending

Constructing the L2-Graph for Robust Subspace Learning and Subspace Clustering

Huajin Tang, Xi Peng, Zhang Yi, Zhiding Yu

arxiv:1209.0841 v7 · 2012-09-05 · cs.CV · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IUQKBOEQMX5CNCV5RD6VRRV5MM}

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	2026-05-18T00:44:30.270219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4520a0b89065fa268abd88fd58c6bd631dae0574870ea0485d3be1b5dd7d0f5b

Aliases

arxiv: 1209.0841 · arxiv_version: 1209.0841v7 · doi: 10.48550/arxiv.1209.0841 · pith_short_12: IUQKBOEQMX5C · pith_short_16: IUQKBOEQMX5CNCV5 · pith_short_8: IUQKBOEQ

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/IUQKBOEQMX5CNCV5RD6VRRV5MM \
  | 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: 4520a0b89065fa268abd88fd58c6bd631dae0574870ea0485d3be1b5dd7d0f5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "defabc6b65efaf88fd654d47e68c84798102a1a7f2a6c3aa5042994b62fce1e8",
    "cross_cats_sorted": [
      "cs.MM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2012-09-05T01:36:11Z",
    "title_canon_sha256": "1231595bbcfc3956d8b62ae411136b7bd373ce26cb7430febb7b6d3fc5dd968e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.0841",
    "kind": "arxiv",
    "version": 7
  }
}