Pith Number

pith:ZKI7KU6Z

pith:2011:ZKI7KU6ZF6XPSVCOOVOFS2UHDY

not attested not anchored not stored refs pending

Quantumness and Entanglement Witnesses

Kazuya Yuasa, Paolo Facchi, Saverio Pascazio, Vlatko Vedral

arxiv:1111.5257 v1 · 2011-11-22 · math-ph · math.MP · quant-ph

Open paper page JSON What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T04:01:39.311784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca91f553d92faef9544e755c596a871e05b2529e2e266159178095527306b8e8

Aliases

arxiv: 1111.5257 · arxiv_version: 1111.5257v1 · doi: 10.48550/arxiv.1111.5257

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/ZKI7KU6ZF6XPSVCOOVOFS2UHDY \
  | 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: ca91f553d92faef9544e755c596a871e05b2529e2e266159178095527306b8e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08362a6d0376f3633d5ed3beb19f95d4cf427902e9ae745b56e05f62b94b4c57",
    "cross_cats_sorted": [
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2011-11-22T17:17:15Z",
    "title_canon_sha256": "f4dd10fe9aa81e71598a2f36eca84fa1c7947231bb813a056b91878a6ea84871"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.5257",
    "kind": "arxiv",
    "version": 1
  }
}