Pith Number

pith:PQPK5WDC

pith:2025:PQPK5WDCIEBOWGSHGRPT2OEJSY

not attested not anchored not stored refs pending

BINGO! Simple Optimizers Win Big if Problems Collapse to a Few Buckets

Kishan Kumar Ganguly, Tim Menzies

arxiv:2506.04509 v1 · 2025-06-04 · cs.SE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PQPK5WDCIEBOWGSHGRPT2OEJSY}

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	2026-07-05T11:16:15.701954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c1eaed8624102eb1a47345f3d38899606191e1d3876ae4dc798ae35d1439297

Aliases

arxiv: 2506.04509 · arxiv_version: 2506.04509v1 · doi: 10.48550/arxiv.2506.04509 · pith_short_12: PQPK5WDCIEBO · pith_short_16: PQPK5WDCIEBOWGSH · pith_short_8: PQPK5WDC

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/PQPK5WDCIEBOWGSHGRPT2OEJSY \
  | 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: 7c1eaed8624102eb1a47345f3d38899606191e1d3876ae4dc798ae35d1439297

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2a3dc1edf3c5bf620645b5f07d585188dec9909e511e45149e09f7cff3993e0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2025-06-04T23:13:58Z",
    "title_canon_sha256": "c6e39e37ccb377387be7f74b8e574f1c3ce91eb9812ba8f3f020737bbda2c3c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.04509",
    "kind": "arxiv",
    "version": 1
  }
}