Pith Number

pith:2HPCT2T7

pith:2026:2HPCT2T76NLEDTEE4YQ4Z4LKJB

not attested not anchored not stored refs pending

Towards Implementable Quantum Divide and Conquer: A TSP Solver with Improved Exponential Base over Held-Karp

Honghong Lin, Xujun Bai, Yun Shang

arxiv:2606.07322 v1 · 2026-06-05 · quant-ph · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2HPCT2T76NLEDTEE4YQ4Z4LKJB}

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	2026-06-08T01:05:19.472497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1de29ea7ff35641cc84e621ccf16a4868031f9743cbb5ba2e56e643fe35eb97

Aliases

arxiv: 2606.07322 · arxiv_version: 2606.07322v1 · doi: 10.48550/arxiv.2606.07322 · pith_short_12: 2HPCT2T76NLE · pith_short_16: 2HPCT2T76NLEDTEE · pith_short_8: 2HPCT2T7

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/2HPCT2T76NLEDTEE4YQ4Z4LKJB \
  | 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: d1de29ea7ff35641cc84e621ccf16a4868031f9743cbb5ba2e56e643fe35eb97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2dbc29f0bc52ecf61522e6aeaf509ead5577d67f330f50ae15544d325861a27",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-05T14:39:38Z",
    "title_canon_sha256": "01823d5a485c80b7df7ce2476dd9eb90a05d4408ba8ab942a350956637eaed96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.07322",
    "kind": "arxiv",
    "version": 1
  }
}