Pith Number

pith:6DYCSF7Z

pith:2019:6DYCSF7ZOCZO4QE62PUZ5Y6TJL

not attested not anchored not stored refs pending

Constructing extremal compatible quantum observables by means of two mutually unbiased bases

Alessandro Toigo, Claudio Carmeli, Gianni Cassinelli

arxiv:1904.09451 v1 · 2019-04-20 · 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{6DYCSF7ZOCZO4QE62PUZ5Y6TJL}

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	2026-05-17T23:39:54.132745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0f02917f970b2ee409ed3e99ee3d34ac1a55757a3a9eaa72398cba5b1fcf370

Aliases

arxiv: 1904.09451 · arxiv_version: 1904.09451v1 · doi: 10.48550/arxiv.1904.09451 · pith_short_12: 6DYCSF7ZOCZO · pith_short_16: 6DYCSF7ZOCZO4QE6 · pith_short_8: 6DYCSF7Z

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/6DYCSF7ZOCZO4QE62PUZ5Y6TJL \
  | 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: f0f02917f970b2ee409ed3e99ee3d34ac1a55757a3a9eaa72398cba5b1fcf370

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7d2f930a57891432fff4f17bdb5af58d0f111caf0cb77210d62fafcffa555c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-04-20T15:03:34Z",
    "title_canon_sha256": "f4a17ea8c65967202c317ec6e76c669da6862461dd0be0eb317cf90fd546f349"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09451",
    "kind": "arxiv",
    "version": 1
  }
}