Pith Number

pith:WU54LQLT

pith:2017:WU54LQLTMP3JLRGOV5HHZ3GTID

not attested not anchored not stored refs pending

Convergence of projection and contraction algorithms with outer perturbations and their applications to sparse signals recovery

Aviv Gibali, Dan Jiang, Qiao-Li Dong, Shang-Hong Ke

arxiv:1711.01936 v3 · 2017-11-02 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WU54LQLTMP3JLRGOV5HHZ3GTID}

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	2026-05-18T00:30:21.757192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b53bc5c17363f695c4ceaf4e7cecd340f5680ba8daa05a37e993e5cdf1cb94bc

Aliases

arxiv: 1711.01936 · arxiv_version: 1711.01936v3 · doi: 10.48550/arxiv.1711.01936 · pith_short_12: WU54LQLTMP3J · pith_short_16: WU54LQLTMP3JLRGO · pith_short_8: WU54LQLT

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/WU54LQLTMP3JLRGOV5HHZ3GTID \
  | 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: b53bc5c17363f695c4ceaf4e7cecd340f5680ba8daa05a37e993e5cdf1cb94bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6d37b27cfdcf9ea2a19e24631ec489dad9c8eaf2e2e2e0dc0a97a200b89d7f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-11-02T19:38:16Z",
    "title_canon_sha256": "3a4fe29599e5758d9bc61bd436974252f2f9b08c253ecea18f6338ef5b30733f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.01936",
    "kind": "arxiv",
    "version": 3
  }
}