Pith Number

pith:KDZVHTKE

pith:2012:KDZVHTKEJNMLDV47X3D2BNWSHH

not attested not anchored not stored refs pending

Coherence-Based Performance Guarantees of Orthogonal Matching Pursuit

Robert Calderbank, Yuejie Chi

arxiv:1209.6267 v1 · 2012-09-27 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KDZVHTKEJNMLDV47X3D2BNWSHH}

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	2026-05-18T03:44:34.813880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50f353cd444b58b1d79fbec7a0b6d239ef93bb2e47bfc0eaf3675c56877dd331

Aliases

arxiv: 1209.6267 · arxiv_version: 1209.6267v1 · doi: 10.48550/arxiv.1209.6267 · pith_short_12: KDZVHTKEJNML · pith_short_16: KDZVHTKEJNMLDV47 · pith_short_8: KDZVHTKE

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/KDZVHTKEJNMLDV47X3D2BNWSHH \
  | 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: 50f353cd444b58b1d79fbec7a0b6d239ef93bb2e47bfc0eaf3675c56877dd331

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e23570c120afaf8697da1222844aceb0d6e0dae13f5a22468fe0547b2165c55",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2012-09-27T16:11:19Z",
    "title_canon_sha256": "502616bac6033c3748e5101850dba10c77aee5fe7cff76273e723b36eb6118c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.6267",
    "kind": "arxiv",
    "version": 1
  }
}