Pith Number

pith:7EQLGPEB

pith:2025:7EQLGPEBQ4GFXIDA6ELKUD54KJ

not attested not anchored not stored refs pending

Certification of quantum correlations and DIQKD at arbitrary distances through routed Bell tests

Edwin Peter Lobo, Jef Pauwels, Nicolas Brunner, Pavel Sekatski, Stefano Pironio

arxiv:2502.12241 v2 · 2025-02-17 · 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{7EQLGPEBQ4GFXIDA6ELKUD54KJ}

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

2 papers in Pith

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

Generalized measurement incompatibility

Receipt and verification

First computed	2026-07-05T11:28:14.324386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f920b33c81870c5ba060f116aa0fbc52588c2304b3dead1c241d1945d7b7a4ee

Aliases

arxiv: 2502.12241 · arxiv_version: 2502.12241v2 · doi: 10.48550/arxiv.2502.12241 · pith_short_12: 7EQLGPEBQ4GF · pith_short_16: 7EQLGPEBQ4GFXIDA · pith_short_8: 7EQLGPEB

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/7EQLGPEBQ4GFXIDA6ELKUD54KJ \
  | 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: f920b33c81870c5ba060f116aa0fbc52588c2304b3dead1c241d1945d7b7a4ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e53e5a5829173b08aa573e3e144c8a8fc0cfc00d45b0c4f4cc1206a7c27e55ca",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-02-17T19:00:01Z",
    "title_canon_sha256": "c63f3bf77d2303c3ef74ac5cf9675c215b5cf2592d8277e1e44170b62d76ea8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.12241",
    "kind": "arxiv",
    "version": 2
  }
}