Pith Number

pith:3F6ZSKR2

pith:2026:3F6ZSKR2VBDQVVZIHDCTTDETUX

not attested not anchored not stored refs pending

Selection Hyper-heuristics Can Automatically Adjust the Learning Period to Optimally Solve Pseudo-Boolean Problems

Benjamin Doerr, John Alasdair Warwicker, Pietro S. Oliveto

arxiv:2605.29916 v1 · 2026-05-28 · cs.NE · cs.AI · cs.DS · 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{3F6ZSKR2VBDQVVZIHDCTTDETUX}

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	2026-05-29T02:06:00.525128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d97d992a3aa8470ad72838c5398c93a5dfa99ac6f69bc19d16d23b82f1f14d71

Aliases

arxiv: 2605.29916 · arxiv_version: 2605.29916v1 · doi: 10.48550/arxiv.2605.29916 · pith_short_12: 3F6ZSKR2VBDQ · pith_short_16: 3F6ZSKR2VBDQVVZI · pith_short_8: 3F6ZSKR2

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/3F6ZSKR2VBDQVVZIHDCTTDETUX \
  | 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: d97d992a3aa8470ad72838c5398c93a5dfa99ac6f69bc19d16d23b82f1f14d71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3f5a782d9562aea28f0735d2cf344538c6f074770e8a966164f72ec5bc9df9d",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.DS",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2026-05-28T13:31:16Z",
    "title_canon_sha256": "0331490e6e52184efaa4f002d6e3257af5e2ba70891dba7701eb58840c4546e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.29916",
    "kind": "arxiv",
    "version": 1
  }
}