Pith Number

pith:TU4JNGP4

pith:2024:TU4JNGP4ETEGYCAYMIDHGLTD5A

not attested not anchored not stored refs pending

Low Rank Convex Clustering For Matrix-Valued Observations

Meixia Lin, Yangjing Zhang

arxiv:2412.17328 v1 · 2024-12-23 · math.OC · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TU4JNGP4ETEGYCAYMIDHGLTD5A}

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	2026-07-05T09:53:20.945755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d389699fc24c86c08186206732e63e80858dea12172576967ec0cd08a1c208c

Aliases

arxiv: 2412.17328 · arxiv_version: 2412.17328v1 · doi: 10.48550/arxiv.2412.17328 · pith_short_12: TU4JNGP4ETEG · pith_short_16: TU4JNGP4ETEGYCAY · pith_short_8: TU4JNGP4

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/TU4JNGP4ETEGYCAYMIDHGLTD5A \
  | 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: 9d389699fc24c86c08186206732e63e80858dea12172576967ec0cd08a1c208c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a002ba5bfdece5d47477e3d52835a42a238cc1034166b56eb0e2c119cd728feb",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2024-12-23T06:38:34Z",
    "title_canon_sha256": "13268dd84c739a64d4adc001eb3594e21d57dc6010c62d2634400e1f5af031a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.17328",
    "kind": "arxiv",
    "version": 1
  }
}