Pith Number

pith:XTK4UGPO

pith:2014:XTK4UGPOR3OVHE7HKZGDXHHZMW

not attested not anchored not stored refs pending

On Sparse Vector Recovery Performance in Structurally Orthogonal Matrices via LASSO

Chao-Kai Wen, Chau Yuen, Jung-Chieh Chen, Jun Zhang, Kai-Kit Wong

arxiv:1410.7295 v2 · 2014-10-27 · 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{XTK4UGPOR3OVHE7HKZGDXHHZMW}

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	2026-05-18T02:39:08.263385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcd5ca19ee8edd5393e7564c3b9cf965b3d64d7958c8dca34314dba4e39a085b

Aliases

arxiv: 1410.7295 · arxiv_version: 1410.7295v2 · doi: 10.48550/arxiv.1410.7295 · pith_short_12: XTK4UGPOR3OV · pith_short_16: XTK4UGPOR3OVHE7H · pith_short_8: XTK4UGPO

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/XTK4UGPOR3OVHE7HKZGDXHHZMW \
  | 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: bcd5ca19ee8edd5393e7564c3b9cf965b3d64d7958c8dca34314dba4e39a085b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "029d38c3d95ebe6034c92dbb28bee4e5d20e8aab7cc4682bdc94bf27233f3a7e",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-10-27T16:16:30Z",
    "title_canon_sha256": "2a91657de6f4c986fb8a80a84c9443153ae9a7dbe8dc17c43c40117498452eb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.7295",
    "kind": "arxiv",
    "version": 2
  }
}