Pith Number

pith:WQVNUCLD

pith:2014:WQVNUCLDOWMBXW4RGPYXNXFLLZ

not attested not anchored not stored refs pending

Quantum advantage for distributed computing without communication

A. Grudka, L. Czekaj, M. Horodecki, M. Pawlowski, R. Horodecki, T. Vertesi

arxiv:1408.0993 v2 · 2014-08-05 · 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{WQVNUCLDOWMBXW4RGPYXNXFLLZ}

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	2026-05-18T01:32:34.732447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b42ada096375981bdb9133f176dcab5e52261a1a6ebeb5f1c250c32bc3e5eb21

Aliases

arxiv: 1408.0993 · arxiv_version: 1408.0993v2 · doi: 10.48550/arxiv.1408.0993 · pith_short_12: WQVNUCLDOWMB · pith_short_16: WQVNUCLDOWMBXW4R · pith_short_8: WQVNUCLD

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/WQVNUCLDOWMBXW4RGPYXNXFLLZ \
  | 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: b42ada096375981bdb9133f176dcab5e52261a1a6ebeb5f1c250c32bc3e5eb21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6c970a16f92400fb7494ef85fe63510af5e18799dbbc44807263c61a8b92663",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-08-05T14:55:30Z",
    "title_canon_sha256": "edd8f0f3f79b284004a89141fa5c3c6d9a87932f4b64f3d6b43af8edfaca4150"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.0993",
    "kind": "arxiv",
    "version": 2
  }
}