Pith Number

pith:K6G7WFI3

pith:2019:K6G7WFI3Z56Y3JTU6CE467N6RK

not attested not anchored not stored refs pending

Quantum Advantage in Postselected Metrology

Aleksander A. Lasek, Crispin H. W. Barnes, David R. M. Arvidsson-Shukur, Hugo V. Lepage, Nicole Yunger Halpern, Seth Lloyd

arxiv:1903.02563 v3 · 2019-03-06 · 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{K6G7WFI3Z56Y3JTU6CE467N6RK}

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.

Cited by

1 paper in Pith

Anomalous values, Fisher information, and contextuality, in generalized quantum measurements

Receipt and verification

First computed	2026-07-05T01:37:51.649472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

578dfb151bcf7d8da674f089cf7dbe8a804964f2fa1d69d0af1ccac9f5bdc083

Aliases

arxiv: 1903.02563 · arxiv_version: 1903.02563v3 · doi: 10.48550/arxiv.1903.02563 · pith_short_12: K6G7WFI3Z56Y · pith_short_16: K6G7WFI3Z56Y3JTU · pith_short_8: K6G7WFI3

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/K6G7WFI3Z56Y3JTU6CE467N6RK \
  | 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: 578dfb151bcf7d8da674f089cf7dbe8a804964f2fa1d69d0af1ccac9f5bdc083

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd97a4408507b3b6f57ae79479abd2882f7b6ca25752eb6deded83e2526e37ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-03-06T19:00:02Z",
    "title_canon_sha256": "456c9d33dd351cba8916545664d1c67329d3260a42a9c00605bdb2e6d777a57e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02563",
    "kind": "arxiv",
    "version": 3
  }
}