Pith Number

pith:QGQOSGD7

pith:2021:QGQOSGD7NAXWKAMTJVJICD2FRI

not attested not anchored not stored refs pending

Zeroth order optimization with orthogonal random directions

Cesare Molinari, David Kozak, Lorenzo Rosasco, Luis Tenorio, Silvia Villa

arxiv:2107.03941 v2 · 2021-07-08 · 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{QGQOSGD7NAXWKAMTJVJICD2FRI}

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	2026-07-05T03:31:28.782986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81a0e9187f682f6501934d52810f458a05afab46d6af60125fbd1603001eebb2

Aliases

arxiv: 2107.03941 · arxiv_version: 2107.03941v2 · doi: 10.48550/arxiv.2107.03941 · pith_short_12: QGQOSGD7NAXW · pith_short_16: QGQOSGD7NAXWKAMT · pith_short_8: QGQOSGD7

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/QGQOSGD7NAXWKAMTJVJICD2FRI \
  | 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: 81a0e9187f682f6501934d52810f458a05afab46d6af60125fbd1603001eebb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2703c9e15e5dedc579bb4dab1ef60c55f7a8ed134850dd1062bf21b0c5e27559",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-07-08T16:11:44Z",
    "title_canon_sha256": "bb6f819857779284faa943bf53e5f881bb7fa8f48b719dd839480e3c247effd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.03941",
    "kind": "arxiv",
    "version": 2
  }
}