Pith Number

pith:WFB7J4EC

pith:2019:WFB7J4EC2VTEGRG2ENIEB2C7QB

not attested not anchored not stored refs pending

Experimental investigation of partially entangled states for device-independent randomness generation and self-testing protocols

A. Ac\'in, A. Mattar, D. Cavalcanti, E. S. G\'omez, G. Lima, I. Machuca, O. Jim\'enez Far\'ias, S. G\'omez

arxiv:1902.01327 v1 · 2019-02-04 · 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{WFB7J4EC2VTEGRG2ENIEB2C7QB}

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	2026-05-17T23:51:21.162240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b143f4f082d5664344da235040e85f8053577e4af23785c90e7d8bfd1a5d3770

Aliases

arxiv: 1902.01327 · arxiv_version: 1902.01327v1 · doi: 10.48550/arxiv.1902.01327 · pith_short_12: WFB7J4EC2VTE · pith_short_16: WFB7J4EC2VTEGRG2 · pith_short_8: WFB7J4EC

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/WFB7J4EC2VTEGRG2ENIEB2C7QB \
  | 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: b143f4f082d5664344da235040e85f8053577e4af23785c90e7d8bfd1a5d3770

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc1bf21ff190dc6f41e5965be4c35bd2cbe134d7ac927197fd9cacf230a71f24",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-02-04T17:31:03Z",
    "title_canon_sha256": "eda7d8d6d12972156974d7b450c1603619a7c5af79a45a0bca608df31dc1bc0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01327",
    "kind": "arxiv",
    "version": 1
  }
}