Pith Number

pith:OD7EF3XI

pith:2026:OD7EF3XIZJBV2D62SD5FYXPKOT

not attested not anchored not stored refs pending

CLUSTER: Derivative-free optimization of smooth functions with parameter-change costs

Marin Solja\v{c}i\'c, Sachin Vaidya, Sahil Pontula, Serena Landers, Shiekh Zia Uddin, Steven G. Johnson

arxiv:2606.20498 v1 · 2026-06-18 · 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{OD7EF3XIZJBV2D62SD5FYXPKOT}

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	2026-06-19T16:13:13.792337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70fe42eee8ca435d0fda90fa5c5dea74c194d17e8796dbae5e7c8a3f00a6b941

Aliases

arxiv: 2606.20498 · arxiv_version: 2606.20498v1 · doi: 10.48550/arxiv.2606.20498 · pith_short_12: OD7EF3XIZJBV · pith_short_16: OD7EF3XIZJBV2D62 · pith_short_8: OD7EF3XI

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/OD7EF3XIZJBV2D62SD5FYXPKOT \
  | 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: 70fe42eee8ca435d0fda90fa5c5dea74c194d17e8796dbae5e7c8a3f00a6b941

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55bcecbd4300aa90e1e2d56fd94ce2f3b1f3ec90463b44931df987176188e37c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-06-18T17:14:13Z",
    "title_canon_sha256": "cdad31559479ce20f4b259562308a9dcd9d34e5c197fffd32802837853fb95cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20498",
    "kind": "arxiv",
    "version": 1
  }
}