Pith Number

pith:2GFJHRSW

pith:2016:2GFJHRSWFZUPDCBIW3A7XYGVP5

not attested not anchored not stored refs pending

Device-Independent Certification of a Nonprojective Qubit Measurement

Ad\'an Cabello, Aldo Delgado, Esteban S. G\'omez, Guilherme B. Xavier, Gustavo Ca\~nas, Gustavo Lima, Johanna F. Barra, Matthias Kleinmann, Pablo Gonz\'alez, Santiago G\'omez, Tam\'as V\'ertesi

arxiv:1604.01417 v2 · 2016-04-05 · 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{2GFJHRSWFZUPDCBIW3A7XYGVP5}

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	2026-05-18T00:54:15.708604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d18a93c6562e68f18828b6c1fbe0d57f4b4ef57fec4cc0318eb142d6ff0f87cf

Aliases

arxiv: 1604.01417 · arxiv_version: 1604.01417v2 · doi: 10.48550/arxiv.1604.01417 · pith_short_12: 2GFJHRSWFZUP · pith_short_16: 2GFJHRSWFZUPDCBI · pith_short_8: 2GFJHRSW

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/2GFJHRSWFZUPDCBIW3A7XYGVP5 \
  | 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: d18a93c6562e68f18828b6c1fbe0d57f4b4ef57fec4cc0318eb142d6ff0f87cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be1b2eee82dbffec26e082f26d5ef41a00ce98900671dda1d2b83d36e7442283",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-04-05T20:32:03Z",
    "title_canon_sha256": "8ab616590acfd8e5f11a9c50f35d7da38fa3a76786f2bce911f66d574452a5d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.01417",
    "kind": "arxiv",
    "version": 2
  }
}