Pith Number

pith:E4WOBEH5

pith:2026:E4WOBEH5UHV7WES4CMHFPC3EXA

not attested not anchored not stored refs pending

Genuine Multipartite Entanglement between Logical Qubits via Cross-Code Lattice Surgery

Alex Steiner, Christian D. Marciniak, Hendrik Poulsen Nautrup, Ivan Pogorelov, Marcel Meyer, Nicolai Friis, Phila Rembold, Philipp Schindler, Robert Freund, Thomas Monz, Tomasz Andrzejewski

arxiv:2607.04227 v1 · 2026-07-05 · 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{E4WOBEH5UHV7WES4CMHFPC3EXA}

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	2026-07-07T02:19:04.154047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

272ce090fda1ebfb125c130e578b64b8145fc6d6905552a05a1453114d71a443

Aliases

arxiv: 2607.04227 · arxiv_version: 2607.04227v1 · doi: 10.48550/arxiv.2607.04227 · pith_short_12: E4WOBEH5UHV7 · pith_short_16: E4WOBEH5UHV7WES4 · pith_short_8: E4WOBEH5

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/E4WOBEH5UHV7WES4CMHFPC3EXA \
  | 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: 272ce090fda1ebfb125c130e578b64b8145fc6d6905552a05a1453114d71a443

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f880887eb7b2e4aff3b5b102f2121b2e91ac11829ac7fe14c66c3749b0bca7b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-05T11:01:11Z",
    "title_canon_sha256": "adedbe5c113ef3f6658981d77409226b318391abee27cee6ecaec8b4dd0b6542"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.04227",
    "kind": "arxiv",
    "version": 1
  }
}