Pith Number

pith:VYF6CJD4

pith:2012:VYF6CJD4Y4PMQR42P3COVJCVRF

not attested not anchored not stored refs pending

Performance Analysis of l_0 Norm Constraint Least Mean Square Algorithm

Guolong Su, Jian Jin, Jian Wang, Yuantao Gu

arxiv:1203.1535 v2 · 2012-03-07 · cs.IT · cs.PF · 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{VYF6CJD4Y4PMQR42P3COVJCVRF}

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	2026-05-18T01:58:13.629869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae0be1247cc71ec8479a7ec4eaa4558978690c69615cb7b5b669e6861881f6e3

Aliases

arxiv: 1203.1535 · arxiv_version: 1203.1535v2 · doi: 10.48550/arxiv.1203.1535 · pith_short_12: VYF6CJD4Y4PM · pith_short_16: VYF6CJD4Y4PMQR42 · pith_short_8: VYF6CJD4

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/VYF6CJD4Y4PMQR42P3COVJCVRF \
  | 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: ae0be1247cc71ec8479a7ec4eaa4558978690c69615cb7b5b669e6861881f6e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8d01bb9afc8020b7568c796519d4770252b83c42ced2384ff5eff1542b3ac93",
    "cross_cats_sorted": [
      "cs.PF",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-03-07T16:43:45Z",
    "title_canon_sha256": "b0dc96fbdc5258631548a5d254d5818ece4695c5ff90e61c6227ff9dee4a1f1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1535",
    "kind": "arxiv",
    "version": 2
  }
}