Pith Number

pith:BHMKQYKD

pith:2025:BHMKQYKDIQ6O4ZQWEJUB3P5OWL

not attested not anchored not stored refs pending

Criteria for unbiased estimation: applications to noise-agnostic sensing and quantum channel estimation

Chia-Tung Chu, Hyukgun Kwon, Kento Tsubouchi, Liang Jiang

arxiv:2503.17362 v3 · 2025-03-21 · 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{BHMKQYKDIQ6O4ZQWEJUB3P5OWL}

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

Unified theory of classical and quantum semiparametric efficiency

Receipt and verification

First computed	2026-07-31T01:08:21.644428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

09d8a86143443cee661622681dbfaeb2cd8b2d6aca523e3a6e051b5c5cccc5d2

Aliases

arxiv: 2503.17362 · arxiv_version: 2503.17362v3 · doi: 10.48550/arxiv.2503.17362 · pith_short_12: BHMKQYKDIQ6O · pith_short_16: BHMKQYKDIQ6O4ZQW · pith_short_8: BHMKQYKD

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/BHMKQYKDIQ6O4ZQWEJUB3P5OWL \
  | 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: 09d8a86143443cee661622681dbfaeb2cd8b2d6aca523e3a6e051b5c5cccc5d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02fe7fb6156283696403a80a0995ee451030a8e2525adeafcc2514f6a0c59a37",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-03-21T17:59:48Z",
    "title_canon_sha256": "ea5deafa372aaa82a74eea3df4cb26f833fa71b3077e7ef27abac91e2fd20bd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.17362",
    "kind": "arxiv",
    "version": 3
  }
}