Pith Number

pith:BAZWHXHG

pith:2019:BAZWHXHGQP6QVS47PYFCYWYGVX

not attested not anchored not stored refs pending

Optimal measurements for quantum fidelity between Gaussian states and its relevance to quantum metrology

Carsten Rockstuhl, Changhun Oh, Changhyoup Lee, Hyunseok Jeong, Leonardo Banchi, Su-Yong Lee

arxiv:1901.02994 v2 · 2019-01-10 · 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{BAZWHXHGQP6QVS47PYFCYWYGVX}

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	2026-05-17T23:39:55.342119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

083363dce683fd0acb9f7e0a2c5b06adc9a356d89c912dbe5bd93a12c9b81781

Aliases

arxiv: 1901.02994 · arxiv_version: 1901.02994v2 · doi: 10.48550/arxiv.1901.02994 · pith_short_12: BAZWHXHGQP6Q · pith_short_16: BAZWHXHGQP6QVS47 · pith_short_8: BAZWHXHG

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/BAZWHXHGQP6QVS47PYFCYWYGVX \
  | 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: 083363dce683fd0acb9f7e0a2c5b06adc9a356d89c912dbe5bd93a12c9b81781

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6198e3256638a7c6ca8c1183794723d36515dbbddadd7c846fcb7c919c63a09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-01-10T01:51:37Z",
    "title_canon_sha256": "a02306cc1eef491c37e3f4edf86430dd50f3df3031038f93e814e8a84140473a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02994",
    "kind": "arxiv",
    "version": 2
  }
}