Pith Number

pith:NNNCZT7Z

pith:2011:NNNCZT7ZV76MUMQWYGQMDIG4NU

not attested not anchored not stored refs pending

Robustly Stable Signal Recovery in Compressed Sensing with Structured Matrix Perturbation

Cishen Zhang, Lihua Xie, Zai Yang

arxiv:1112.0071 v2 · 2011-12-01 · 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{NNNCZT7ZV76MUMQWYGQMDIG4NU}

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	2026-05-18T01:59:20.737891Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b5a2ccff9affcca3216c1a0c1a0dc6d17b9eef9e160a6dc2e97157ee38ad433

Aliases

arxiv: 1112.0071 · arxiv_version: 1112.0071v2 · doi: 10.48550/arxiv.1112.0071 · pith_short_12: NNNCZT7ZV76M · pith_short_16: NNNCZT7ZV76MUMQW · pith_short_8: NNNCZT7Z

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/NNNCZT7ZV76MUMQWYGQMDIG4NU \
  | 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: 6b5a2ccff9affcca3216c1a0c1a0dc6d17b9eef9e160a6dc2e97157ee38ad433

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a93415f4da4432bf39e559c1fdd8be598d650dff1e37bcf8d83100ba0e19397",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-12-01T02:58:16Z",
    "title_canon_sha256": "18518cd98506ccb1b0e883a046e8c822ec8c9dfa87322f38fc363a14f1c5be67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.0071",
    "kind": "arxiv",
    "version": 2
  }
}