Pith Number

pith:4QSF6G36

pith:2014:4QSF6G36DKUJAMYKMFXPCZGDOD

not attested not anchored not stored refs pending

New Coherence and RIP Analysis for Weak Orthogonal Matching Pursuit

Frank de Hoog, Mingrui Yang

arxiv:1405.3354 v1 · 2014-05-14 · 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{4QSF6G36DKUJAMYKMFXPCZGDOD}

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	2026-05-18T02:51:56.294137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4245f1b7e1aa890330a616ef164c370c22e31e962987ec26f045f460f7ecb72

Aliases

arxiv: 1405.3354 · arxiv_version: 1405.3354v1 · doi: 10.48550/arxiv.1405.3354 · pith_short_12: 4QSF6G36DKUJ · pith_short_16: 4QSF6G36DKUJAMYK · pith_short_8: 4QSF6G36

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/4QSF6G36DKUJAMYKMFXPCZGDOD \
  | 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: e4245f1b7e1aa890330a616ef164c370c22e31e962987ec26f045f460f7ecb72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f526b2bfad3583e763bb578574868262cc571d3384b10359dc8bacfbdfa29b9",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-05-14T03:53:58Z",
    "title_canon_sha256": "74fc74cc7e804e299e7901bcde86e25cd69f3314681e85ae0391479f00f611cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.3354",
    "kind": "arxiv",
    "version": 1
  }
}