Pith Number

pith:YAGRYIRQ

pith:2013:YAGRYIRQXBAYH7U63LHJLTK4VU

not attested not anchored not stored refs pending

Orthogonal Matching Pursuit with Thresholding and its Application in Compressive Sensing

Frank de Hoog, Mingrui Yang

arxiv:1307.1949 v2 · 2013-07-08 · 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{YAGRYIRQXBAYH7U63LHJLTK4VU}

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	2026-05-18T01:37:28.978987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c00d1c2230b84183fe9edace95cd5cad23ab3d5c48a257eaed5198e28028a36e

Aliases

arxiv: 1307.1949 · arxiv_version: 1307.1949v2 · doi: 10.48550/arxiv.1307.1949 · pith_short_12: YAGRYIRQXBAY · pith_short_16: YAGRYIRQXBAYH7U6 · pith_short_8: YAGRYIRQ

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/YAGRYIRQXBAYH7U63LHJLTK4VU \
  | 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: c00d1c2230b84183fe9edace95cd5cad23ab3d5c48a257eaed5198e28028a36e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebbe852d6f8dc07620f3c24f4852aa4b5b47b7b360a7673eec57ac7ac4d040c6",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-07-08T05:33:11Z",
    "title_canon_sha256": "249b487ee554f11320ee53061781f7a68a54e18f8d8f9a35a06f4dfdb0f7b29f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1949",
    "kind": "arxiv",
    "version": 2
  }
}