Pith Number

pith:VQRATIJ3

pith:2025:VQRATIJ3T2TASITNIEF3PACIFP

not attested not anchored not stored refs pending

Extending quantum correlations to arbitrary distances via parallel repetition of routed Bell tests

Anubhav Chaturvedi, Marcin Paw{\l}owski, M\'at\'e Farkas

arxiv:2504.17621 v1 · 2025-04-24 · 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{VQRATIJ3T2TASITNIEF3PACIFP}

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.

Cited by

1 paper in Pith

Improving device-independent quantum key distribution protocols through multiple routed Bell tests

Receipt and verification

First computed	2026-07-05T10:53:32.868713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac2209a13b9ea609226d410bb780482bc9aefae2037587c392c1dfded307b8f7

Aliases

arxiv: 2504.17621 · arxiv_version: 2504.17621v1 · doi: 10.48550/arxiv.2504.17621 · pith_short_12: VQRATIJ3T2TA · pith_short_16: VQRATIJ3T2TASITN · pith_short_8: VQRATIJ3

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/VQRATIJ3T2TASITNIEF3PACIFP \
  | 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: ac2209a13b9ea609226d410bb780482bc9aefae2037587c392c1dfded307b8f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "576abda7b4a242cd93ae7e63c906b3fb9eef953bddacc490fd61c782aa890465",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-04-24T14:44:41Z",
    "title_canon_sha256": "6c0c0a7a36549b5f4b73fabab9f68460979b503b94598840525742fb85d14d58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.17621",
    "kind": "arxiv",
    "version": 1
  }
}