Pith Number

pith:4AFNVYLQ

pith:2023:4AFNVYLQMAX7PKFWQKRKJ2PZJG

not attested not anchored not stored refs pending

Adaptive sieving: A dimension reduction technique for sparse optimization problems

Defeng Sun, Kim-Chuan Toh, Meixia Lin, Yancheng Yuan

arxiv:2306.17369 v2 · 2023-06-30 · 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{4AFNVYLQMAX7PKFWQKRKJ2PZJG}

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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.

Cited by

1 paper in Pith

Low Rank Convex Clustering For Matrix-Valued Observations

Receipt and verification

First computed	2026-07-05T10:53:42.753495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e00adae170602ff7a8b682a2a4e9f9498fa0b3ee95613d0a5bd21ee471bc58d1

Aliases

arxiv: 2306.17369 · arxiv_version: 2306.17369v2 · doi: 10.48550/arxiv.2306.17369 · pith_short_12: 4AFNVYLQMAX7 · pith_short_16: 4AFNVYLQMAX7PKFW · pith_short_8: 4AFNVYLQ

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/4AFNVYLQMAX7PKFWQKRKJ2PZJG \
  | 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: e00adae170602ff7a8b682a2a4e9f9498fa0b3ee95613d0a5bd21ee471bc58d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b063836a20090dd996b3612512ec4601c80019782ca63671a6856445bdbd68b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2023-06-30T02:13:45Z",
    "title_canon_sha256": "bde0d0fd1ec69ccdcd43fb73af4413117844a2b5a3fbb14cfe27b84d9a54691e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.17369",
    "kind": "arxiv",
    "version": 2
  }
}