Pith Number

pith:KQ4YDQJQ

pith:2023:KQ4YDQJQJHEHP25AGTT6STEMT7

not attested not anchored not stored refs pending

Weighted least-squares approximation with determinantal point processes and generalized volume sampling

Anthony Nouy, Bertrand Michel

arxiv:2312.14057 v4 · 2023-12-21 · math.NA · cs.LG · cs.NA · 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{KQ4YDQJQJHEHP25AGTT6STEMT7}

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	2026-07-05T11:46:18.957420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

543981c13049c877eba034e7e94c8c9fc901841685e3e44dc046e85ba1156d00

Aliases

arxiv: 2312.14057 · arxiv_version: 2312.14057v4 · doi: 10.48550/arxiv.2312.14057 · pith_short_12: KQ4YDQJQJHEH · pith_short_16: KQ4YDQJQJHEHP25A · pith_short_8: KQ4YDQJQ

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/KQ4YDQJQJHEHP25AGTT6STEMT7 \
  | 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: 543981c13049c877eba034e7e94c8c9fc901841685e3e44dc046e85ba1156d00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fd1f1bc6f1df6c3bc0fa9407d1a2e6623a9eedec8abdf2dcffa5b759377791d",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-12-21T17:34:18Z",
    "title_canon_sha256": "9fbc6f690cdbce2ef68da93c697ed70e7d7abfc2d52fe042e6b001652014089e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2312.14057",
    "kind": "arxiv",
    "version": 4
  }
}