Pith Number

pith:FMXAY2T6

pith:2025:FMXAY2T6G5GSV55TLQ2JYFS4DA

not attested not anchored not stored refs pending

CatMADS: Mesh Adaptive Direct Search for constrained blackbox optimization with categorical variables

Charles Audet, Christophe Tribes, Edward Hall\'e-Hannan, S\'ebastien Le Digabel, Youssef Diouane

arxiv:2506.06937 v2 · 2025-06-07 · 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{FMXAY2T6G5GSV55TLQ2JYFS4DA}

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	2026-07-05T11:26:05.219349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b2e0c6a7e374d2af7b35c349c165c181e4ca387117e0ae8a08e4a233e8f9d43

Aliases

arxiv: 2506.06937 · arxiv_version: 2506.06937v2 · doi: 10.48550/arxiv.2506.06937 · pith_short_12: FMXAY2T6G5GS · pith_short_16: FMXAY2T6G5GSV55T · pith_short_8: FMXAY2T6

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/FMXAY2T6G5GSV55TLQ2JYFS4DA \
  | 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: 2b2e0c6a7e374d2af7b35c349c165c181e4ca387117e0ae8a08e4a233e8f9d43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78f2e2298dea491aec226a5613638b40ec21bedea0de70131e5fcb44d602891a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-06-07T22:28:51Z",
    "title_canon_sha256": "70fecf33851fcd7a341d8c91303d76a3f3c7e8e0f37e9e95f76e4f579d1ed60d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.06937",
    "kind": "arxiv",
    "version": 2
  }
}