Pith Number

pith:YNB7WXTO

pith:2010:YNB7WXTO7YJAVKASRBPKLLKYLT

not attested not anchored not stored refs pending

Sensing Matrix Optimization for Block-Sparse Decoding

Kevin Rosenblum, Lihi Zelnik-Manor, Yonina C. Eldar

arxiv:1009.1533 v1 · 2010-09-08 · 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{YNB7WXTO7YJAVKASRBPKLLKYLT}

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	2026-05-18T04:41:14.569413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c343fb5e6efe120aa812885ea5ad585ccfaec7e54bacc474bff262059afdfdf0

Aliases

arxiv: 1009.1533 · arxiv_version: 1009.1533v1 · doi: 10.48550/arxiv.1009.1533 · pith_short_12: YNB7WXTO7YJA · pith_short_16: YNB7WXTO7YJAVKAS · pith_short_8: YNB7WXTO

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/YNB7WXTO7YJAVKASRBPKLLKYLT \
  | 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: c343fb5e6efe120aa812885ea5ad585ccfaec7e54bacc474bff262059afdfdf0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a751028509951417dba04384bbb92ffcc54a1b052b931562d10412f64d92708c",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-09-08T13:46:52Z",
    "title_canon_sha256": "56b6b5a4300805255c55c1e326588628f34903fdfe4a4925cbe0889d0522bb75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.1533",
    "kind": "arxiv",
    "version": 1
  }
}