Pith Number

pith:UIROFWNK

pith:2013:UIROFWNKPCT75V4XNSFTBQGYQ2

not attested not anchored not stored refs pending

Guaranteed sparse signal recovery with highly coherent sensing matrices

Atul Divekar, Deanna Needell, Guangliang Chen

arxiv:1311.0314 v2 · 2013-11-01 · math.NA · 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{UIROFWNKPCT75V4XNSFTBQGYQ2}

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	2026-05-18T02:55:10.942990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a222e2d9aa78a7fed7976c8b30c0d886bf0ed1a6ef56a696ce9e8bb5533364c9

Aliases

arxiv: 1311.0314 · arxiv_version: 1311.0314v2 · doi: 10.48550/arxiv.1311.0314 · pith_short_12: UIROFWNKPCT7 · pith_short_16: UIROFWNKPCT75V4X · pith_short_8: UIROFWNK

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/UIROFWNKPCT75V4XNSFTBQGYQ2 \
  | 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: a222e2d9aa78a7fed7976c8b30c0d886bf0ed1a6ef56a696ce9e8bb5533364c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b6cf7eb97a09cf120ecf2e9b5c4e64ef5d82e2f9d54abc6677247a314337be5",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-11-01T21:40:41Z",
    "title_canon_sha256": "9fa2485c72cf0c97ab25cde06a8de55de8b24c4d5dfcf8a117d9363a5c45ab6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.0314",
    "kind": "arxiv",
    "version": 2
  }
}