Pith Number

pith:SV7UFXC6

pith:2011:SV7UFXC6NQITMCNQMM6QXMRFXK

not attested not anchored not stored refs pending

Exploiting Correlation in Sparse Signal Recovery Problems: Multiple Measurement Vectors, Block Sparsity, and Time-Varying Sparsity

Bhaskar D. Rao, Zhilin Zhang

arxiv:1105.0725 v2 · 2011-05-04 · stat.CO · cs.IT · math.IT · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SV7UFXC6NQITMCNQMM6QXMRFXK}

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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	2026-05-18T04:20:14.130868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

957f42dc5e6c113609b0633d0bb225baa919b81694937592cc641b25d31fc03e

Aliases

arxiv: 1105.0725 · arxiv_version: 1105.0725v2 · doi: 10.48550/arxiv.1105.0725 · pith_short_12: SV7UFXC6NQIT · pith_short_16: SV7UFXC6NQITMCNQ · pith_short_8: SV7UFXC6

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/SV7UFXC6NQITMCNQMM6QXMRFXK \
  | 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: 957f42dc5e6c113609b0633d0bb225baa919b81694937592cc641b25d31fc03e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34fd68c419dd41486d19b6125289e55b62f037121a83bd71d411d6bf976da366",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2011-05-04T02:43:57Z",
    "title_canon_sha256": "caed75bea02184025377932b76fe31a845dcc456f0eb13c6d192e4990d3723b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.0725",
    "kind": "arxiv",
    "version": 2
  }
}