Pith Number

pith:RMGDUXKD

pith:2018:RMGDUXKDNOQD2OWKDILGWI2WRM

not attested not anchored not stored refs pending

Fast L1-Minimization Algorithm for Sparse Approximation Based on an Improved LPNN-LCA framework

Chi-Sing Leung, Hao Wang, Ruibin Feng

arxiv:1805.11949 v1 · 2018-05-30 · eess.SP · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RMGDUXKDNOQD2OWKDILGWI2WRM}

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	2026-05-18T00:14:35.666529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b0c3a5d436ba03d3aca1a166b23568b115baa986183ac3fc4765bb1844d622f

Aliases

arxiv: 1805.11949 · arxiv_version: 1805.11949v1 · doi: 10.48550/arxiv.1805.11949 · pith_short_12: RMGDUXKDNOQD · pith_short_16: RMGDUXKDNOQD2OWK · pith_short_8: RMGDUXKD

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/RMGDUXKDNOQD2OWKDILGWI2WRM \
  | 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: 8b0c3a5d436ba03d3aca1a166b23568b115baa986183ac3fc4765bb1844d622f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c20b36b8d036f44cadf1035a1434a5c908349c9c6b37d3f8df2529742e2155b",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-05-30T13:39:58Z",
    "title_canon_sha256": "c32795d2f5503e69b557a7111c440f1e6c80bc3d53ebfe986c41beee4ee50b0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.11949",
    "kind": "arxiv",
    "version": 1
  }
}