Pith Number

pith:KMRGQ6G3

pith:2019:KMRGQ6G3LS5SIBGDTJIC2GOTLN

not attested not anchored not stored refs pending

Basis Pursuit and Orthogonal Matching Pursuit for Subspace-preserving Recovery: Theoretical Analysis

Chong You, Daniel P. Robinson, Rene Vidal

arxiv:1912.13091 v1 · 2019-12-30 · cs.LG · cs.CV · 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{KMRGQ6G3LS5SIBGDTJIC2GOTLN}

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	2026-07-05T00:29:06.017834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53226878db5cbb2404c39a502d19d35b4fa09214fa622245fd5064efbe2fd541

Aliases

arxiv: 1912.13091 · arxiv_version: 1912.13091v1 · doi: 10.48550/arxiv.1912.13091 · pith_short_12: KMRGQ6G3LS5S · pith_short_16: KMRGQ6G3LS5SIBGD · pith_short_8: KMRGQ6G3

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/KMRGQ6G3LS5SIBGDTJIC2GOTLN \
  | 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: 53226878db5cbb2404c39a502d19d35b4fa09214fa622245fd5064efbe2fd541

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "760054ba425d0b9c51d6994703fa690283fdfbc51feea8f19274f8607466f7a7",
    "cross_cats_sorted": [
      "cs.CV",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-12-30T21:31:15Z",
    "title_canon_sha256": "4b13e7f131e33c34c135de80ed1781c20a134da3c25c66ab1b68434b9700a827"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.13091",
    "kind": "arxiv",
    "version": 1
  }
}