Pith Number

pith:SKITTSIG

pith:2018:SKITTSIGXVZ7TCEQICNG5LBDFJ

not attested not anchored not stored refs pending

Binary Compressive Sensing via Smoothed $\ell_0$ Gradient Descent

Dae Gwan Lee, Tianlin Liu

arxiv:1801.09937 v2 · 2018-01-30 · eess.SP · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SKITTSIGXVZ7TCEQICNG5LBDFJ}

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	2026-05-18T00:09:36.066764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

929139c906bd73f98890409a6eac232a4b27cb8ff82c3a5ce03709a1770285f0

Aliases

arxiv: 1801.09937 · arxiv_version: 1801.09937v2 · doi: 10.48550/arxiv.1801.09937 · pith_short_12: SKITTSIGXVZ7 · pith_short_16: SKITTSIGXVZ7TCEQ · pith_short_8: SKITTSIG

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/SKITTSIGXVZ7TCEQICNG5LBDFJ \
  | 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: 929139c906bd73f98890409a6eac232a4b27cb8ff82c3a5ce03709a1770285f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a40d776d0eb28cd790f28aec56d54ca38c465b53afd616ffa7a25440ce7f197",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-01-30T11:32:51Z",
    "title_canon_sha256": "5781d6dd5600c0cf46be995cf839a2d5b30c58376bdd4fb643df55c8279041ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09937",
    "kind": "arxiv",
    "version": 2
  }
}