Pith Number

pith:RYDEVDW4

pith:2025:RYDEVDW462S5ME436E7W5NQQC4

not attested not anchored not stored refs pending

An Exact Branch and Bound Algorithm for the generalized Qubit Mapping Problem

Bj{\o}rnar Luteberget, Dominik Leib, Franz G. Fuchs, Giorgio Sartor, Kjell Fredrik Pettersen, Raoul Heese, Tobias Seidel

arxiv:2508.21718 v1 · 2025-08-29 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RYDEVDW462S5ME436E7W5NQQC4}

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	2026-07-05T12:01:48.424394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e064a8edcf6a5d6139bf13f6eb610173033251e1c803ed91ca2f05eb2c09718

Aliases

arxiv: 2508.21718 · arxiv_version: 2508.21718v1 · doi: 10.48550/arxiv.2508.21718 · pith_short_12: RYDEVDW462S5 · pith_short_16: RYDEVDW462S5ME43 · pith_short_8: RYDEVDW4

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/RYDEVDW462S5ME436E7W5NQQC4 \
  | 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: 8e064a8edcf6a5d6139bf13f6eb610173033251e1c803ed91ca2f05eb2c09718

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05357e1c089fdd919625d5861d3a9e890e74df015e352705df780373e798983a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-08-29T15:35:16Z",
    "title_canon_sha256": "28c347bf3a1413c6c03b926d981925d1bd63b90537080b706af9d07483197234"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.21718",
    "kind": "arxiv",
    "version": 1
  }
}