Pith Number

pith:GTZMTCSF

pith:2018:GTZMTCSF2H3JY32CPBKIP36UGB

not attested not anchored not stored refs pending

A Sharp Condition for Exact Support Recovery of Sparse Signals With Orthogonal Matching Pursuit

Jian Wang, Jinming Wen, Qun Mo, Xiaohu Tang, Zhengchun Zhou

arxiv:1807.04643 v1 · 2018-07-10 · 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{GTZMTCSF2H3JY32CPBKIP36UGB}

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	2026-05-18T00:10:52.912437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34f2c98a45d1f69c6f42785487efd43070c551f1273d5db934c9e4cce1c6c1a7

Aliases

arxiv: 1807.04643 · arxiv_version: 1807.04643v1 · doi: 10.48550/arxiv.1807.04643 · pith_short_12: GTZMTCSF2H3J · pith_short_16: GTZMTCSF2H3JY32C · pith_short_8: GTZMTCSF

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/GTZMTCSF2H3JY32CPBKIP36UGB \
  | 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: 34f2c98a45d1f69c6f42785487efd43070c551f1273d5db934c9e4cce1c6c1a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a1eba11049159b41d2603ccdcb351263f5e29991b9cd3ef4cdd7f6aac18922e",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-07-10T21:14:28Z",
    "title_canon_sha256": "27a55928aa031c65ddc2b330750326919356fd7952108c7bf5e4fe167fd07106"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04643",
    "kind": "arxiv",
    "version": 1
  }
}