Pith Number

pith:W7EGGWBU

pith:2017:W7EGGWBURFYQWLOHGVH422TTM5

not attested not anchored not stored refs pending

Device-independent certification of two bits of randomness from one entangled bit and Gisin's elegant Bell inequality

Ad\'an Cabello, Irina Dumitru, Ole Andersson, Piotr Badzi\k{a}g

arxiv:1707.00564 v2 · 2017-07-03 · 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{W7EGGWBURFYQWLOHGVH422TTM5}

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	2026-05-18T00:25:39.363869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7c863583489710b2dc7354fcd6a73677d98ee43602057ad85810a105a7e254f

Aliases

arxiv: 1707.00564 · arxiv_version: 1707.00564v2 · doi: 10.48550/arxiv.1707.00564 · pith_short_12: W7EGGWBURFYQ · pith_short_16: W7EGGWBURFYQWLOH · pith_short_8: W7EGGWBU

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/W7EGGWBURFYQWLOHGVH422TTM5 \
  | 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: b7c863583489710b2dc7354fcd6a73677d98ee43602057ad85810a105a7e254f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1388d103612c83d92262589ed09adb5953ceb3f2412cd7320815c917cc91c0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-07-03T14:19:23Z",
    "title_canon_sha256": "b4ccf866adeaaefcea031c79fe03676855b7a4642eb726c4334d2256a4af17a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.00564",
    "kind": "arxiv",
    "version": 2
  }
}