Pith Number

pith:XABULZA2

pith:2019:XABULZA2C5DWKD4PY3NJHCHE66

not attested not anchored not stored refs pending

Greedy Algorithms for Hybrid Compressed Sensing

Ching-Lun Tai, Chun-Shien Lu, Sung-Hsien Hsieh

arxiv:1908.06359 v1 · 2019-08-18 · eess.SP · 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{XABULZA2C5DWKD4PY3NJHCHE66}

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	2026-07-05T09:27:45.065279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b80345e41a1747650f8fc6da9388e4f78fd6d059b7669c913e2b00baed9ae1b8

Aliases

arxiv: 1908.06359 · arxiv_version: 1908.06359v1 · doi: 10.48550/arxiv.1908.06359 · pith_short_12: XABULZA2C5DW · pith_short_16: XABULZA2C5DWKD4P · pith_short_8: XABULZA2

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/XABULZA2C5DWKD4PY3NJHCHE66 \
  | 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: b80345e41a1747650f8fc6da9388e4f78fd6d059b7669c913e2b00baed9ae1b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35bca694923d1e06f6d93c03619997264b84d50ba84eff9259abb9b914ea3df1",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-08-18T01:18:55Z",
    "title_canon_sha256": "61330a8e00c286fd3d91e259c2b529e49b572116f7aad8f21cdba735502d1ce5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06359",
    "kind": "arxiv",
    "version": 1
  }
}