Pith Number

pith:XGP4UQMI

pith:2012:XGP4UQMIUN6H22USU7AKL4XVVA

not attested not anchored not stored refs pending

A remark on the Restricted Isometry Property in Orthogonal Matching Pursuit

Qun Mo, Yi Shen

arxiv:1201.2733 v1 · 2012-01-13 · 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{XGP4UQMIUN6H22USU7AKL4XVVA}

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	2026-05-18T04:04:43.212094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b99fca4188a37c7d6a92a7c0a5f2f5a807174a189886424eb3851711737ec744

Aliases

arxiv: 1201.2733 · arxiv_version: 1201.2733v1 · doi: 10.48550/arxiv.1201.2733 · pith_short_12: XGP4UQMIUN6H · pith_short_16: XGP4UQMIUN6H22US · pith_short_8: XGP4UQMI

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/XGP4UQMIUN6H22USU7AKL4XVVA \
  | 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: b99fca4188a37c7d6a92a7c0a5f2f5a807174a189886424eb3851711737ec744

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "650a04cbd757f84f874592764e1df31773a14deed4fc13e1216278b69366e9da",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-01-13T02:47:59Z",
    "title_canon_sha256": "5f5c182c24b9ec7c168a981801cfebda2d0819b926f17c4ea3bcd8670977f7a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2733",
    "kind": "arxiv",
    "version": 1
  }
}