Pith Number

pith:KPQDHA4J

pith:2016:KPQDHA4JGRZZLARH7GPAS7YH4G

not attested not anchored not stored refs pending

Simultaneous Measurement of Two Quantum Observables: Compatibility, Broadcasting, and In-between

Teiko Heinosaari

arxiv:1604.00775 v1 · 2016-04-04 · 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{KPQDHA4JGRZZLARH7GPAS7YH4G}

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	2026-05-18T01:16:09.062942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53e03383893473958227f99e097f07e1ad1f4bba3c52a90dcd7b769278c684cb

Aliases

arxiv: 1604.00775 · arxiv_version: 1604.00775v1 · doi: 10.48550/arxiv.1604.00775 · pith_short_12: KPQDHA4JGRZZ · pith_short_16: KPQDHA4JGRZZLARH · pith_short_8: KPQDHA4J

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/KPQDHA4JGRZZLARH7GPAS7YH4G \
  | 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: 53e03383893473958227f99e097f07e1ad1f4bba3c52a90dcd7b769278c684cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f8d85d6e5a581f618a32b80371605f1260c27f6e825e2f4f1039b64ab68abc3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-04-04T08:40:20Z",
    "title_canon_sha256": "391234720fc47eba82ae8e4c07288d65b253e2c396ed3e7c0c74b9f29c8beaea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.00775",
    "kind": "arxiv",
    "version": 1
  }
}