Pith Number

pith:KXDWZ7DO

pith:2014:KXDWZ7DOBR4C7JHPX2SXMWZCSH

not attested not anchored not stored refs pending

Optimal joint measurement of two observables of a qubit

C.H. Oh, Sixia Yu

arxiv:1402.3785 v1 · 2014-02-16 · 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{KXDWZ7DOBR4C7JHPX2SXMWZCSH}

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	2026-05-18T02:58:55.613715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55c76cfc6e0c782fa4efbea5765b2291d00917bbcbc14f1817b152c4f1eee666

Aliases

arxiv: 1402.3785 · arxiv_version: 1402.3785v1 · doi: 10.48550/arxiv.1402.3785 · pith_short_12: KXDWZ7DOBR4C · pith_short_16: KXDWZ7DOBR4C7JHP · pith_short_8: KXDWZ7DO

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/KXDWZ7DOBR4C7JHPX2SXMWZCSH \
  | 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: 55c76cfc6e0c782fa4efbea5765b2291d00917bbcbc14f1817b152c4f1eee666

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c512061d278751d32ea6924e1ccbe8f75fd01ef170d8b072ed25e6ac3991fd7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-02-16T11:13:28Z",
    "title_canon_sha256": "467eecf8af7b0f540145b53492d5c7e596eaeb38d72fad05fefefbeafa00dc47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.3785",
    "kind": "arxiv",
    "version": 1
  }
}