Pith Number

pith:2IC2VXGY

pith:2021:2IC2VXGYVIE5CUG5E36HDUBX7Y

not attested not anchored not stored refs pending

Device-independent quantum key distribution based on Bell inequalities with more than two inputs and two outputs

Ad\'an Cabello, Ana Predojevi\'c, Junior R. Gonzales-Ureta

arxiv:2104.00413 v1 · 2021-04-01 · 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{2IC2VXGYVIE5CUG5E36HDUBX7Y}

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	2026-07-05T02:45:26.908394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d205aadcd8aa09d150dd26fc71d037fe1cb261daced06acfa9c63e990f861c73

Aliases

arxiv: 2104.00413 · arxiv_version: 2104.00413v1 · doi: 10.48550/arxiv.2104.00413 · pith_short_12: 2IC2VXGYVIE5 · pith_short_16: 2IC2VXGYVIE5CUG5 · pith_short_8: 2IC2VXGY

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/2IC2VXGYVIE5CUG5E36HDUBX7Y \
  | 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: d205aadcd8aa09d150dd26fc71d037fe1cb261daced06acfa9c63e990f861c73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87fbe31ff503e0a1c30f7346e0cd476e74f059a690f92a8fc536e0a16236b828",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-04-01T11:53:56Z",
    "title_canon_sha256": "6fe3b144804686aa4aed7e326c9019217b1ac6aa8bea0696aa78450bd261f05f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.00413",
    "kind": "arxiv",
    "version": 1
  }
}