Pith Number

pith:BHK3WETJ

pith:2021:BHK3WETJX442PRM5NCGC4ZMRX5

not attested not anchored not stored refs pending

Zeroth-order optimisation on subsets of symmetric matrices with application to MPC tuning

Alejandro I. Maass, Chris Manzie, Hayato Nakada, Iman Shames

arxiv:2106.14359 v1 · 2021-06-28 · 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{BHK3WETJX442PRM5NCGC4ZMRX5}

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	2026-07-05T02:52:49.858768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09d5bb1269bf39a7c59d688c2e6591bf75659f12d55c9cf0d5abce9298032479

Aliases

arxiv: 2106.14359 · arxiv_version: 2106.14359v1 · doi: 10.48550/arxiv.2106.14359 · pith_short_12: BHK3WETJX442 · pith_short_16: BHK3WETJX442PRM5 · pith_short_8: BHK3WETJ

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/BHK3WETJX442PRM5NCGC4ZMRX5 \
  | 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: 09d5bb1269bf39a7c59d688c2e6591bf75659f12d55c9cf0d5abce9298032479

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da5f093cbcfb4878174040e7a0c07a90da095c30081ff9ca40fe54f1c4333a54",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-06-28T01:05:29Z",
    "title_canon_sha256": "ae8f1fb81c44f700575c6be73c065726fee9c3cc5446dc85665b3714446971af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.14359",
    "kind": "arxiv",
    "version": 1
  }
}