Pith Number

pith:S3UL3QXM

pith:2025:S3UL3QXMSPXHUTGNSSMAT2PUCF

not attested not anchored not stored refs pending

Hardware-Compatible Single-Shot Feasible-Space Heuristics for Solving the Quadratic Assignment Problem

Arne Heittmann, Chan-Woo Yang, Dmitrii Dobrynin, Dmitri Strukov, Elisabetta Valiante, Giacomo Pedretti, Haesol Im, Ignacio Rozada, John Paul Strachan, Masoud Mohseni, Moslem Noori, Ray Beausoleil, Thomas Van Vaerenbergh

arxiv:2503.09676 v3 · 2025-03-12 · math.OC · cs.AR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S3UL3QXMSPXHUTGNSSMAT2PUCF}

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	2026-05-20T00:00:18.276759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96e8bdc2ec93ee7a4ccd949809e9f41148c9345e2efec9ecce414560ca13498e

Aliases

arxiv: 2503.09676 · arxiv_version: 2503.09676v3 · doi: 10.48550/arxiv.2503.09676 · pith_short_12: S3UL3QXMSPXH · pith_short_16: S3UL3QXMSPXHUTGN · pith_short_8: S3UL3QXM

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/S3UL3QXMSPXHUTGNSSMAT2PUCF \
  | 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: 96e8bdc2ec93ee7a4ccd949809e9f41148c9345e2efec9ecce414560ca13498e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49501c0396a6313fcaab45f55a670b74bac1c2c2617f6cb25fd328eddecda199",
    "cross_cats_sorted": [
      "cs.AR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-03-12T17:57:27Z",
    "title_canon_sha256": "81b239e9c2d2420c410082d6ba08566f4dfb400eb039c7cc7acbcf1d38cd02f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.09676",
    "kind": "arxiv",
    "version": 3
  }
}