Pith Number

pith:TY5C7XCH

pith:2011:TY5C7XCHN7PHQM2WVPLEEYGNUS

not attested not anchored not stored refs pending

Generalized Thresholding and Online Sparsity-Aware Learning in a Union of Subspaces

Konstantinos Slavakis, Sergios Theodoridis, Stephen McLaughlin, Yannis Kopsinis

arxiv:1112.0665 v3 · 2011-12-03 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TY5C7XCHN7PHQM2WVPLEEYGNUS}

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	2026-05-18T03:39:41.873673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e3a2fdc476fde783356abd64260cda49dcdf280f8b468ca01f2e1ab958904d6

Aliases

arxiv: 1112.0665 · arxiv_version: 1112.0665v3 · doi: 10.48550/arxiv.1112.0665 · pith_short_12: TY5C7XCHN7PH · pith_short_16: TY5C7XCHN7PHQM2W · pith_short_8: TY5C7XCH

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/TY5C7XCHN7PHQM2WVPLEEYGNUS \
  | 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: 9e3a2fdc476fde783356abd64260cda49dcdf280f8b468ca01f2e1ab958904d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2a13b4e9c20fa6c42b76efca8eca08d03afdb611d015cb211f589677b53145c",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-12-03T15:12:35Z",
    "title_canon_sha256": "42308ac9cd25977af5a0384041634a27ad9f44a8e8d9b9607d1df770fa6042c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.0665",
    "kind": "arxiv",
    "version": 3
  }
}