Pith Number

pith:KGCPNDLK

pith:2025:KGCPNDLKZEZYDBTEDCW46ZJXUO

not attested not anchored not stored refs pending

Hybrid Cram\'er-Rao bound for Quantum Bayes-Point Estimation with Nuisance Parameters

Jianchao Zhang, Jun Suzuki

arxiv:2510.16810 v1 · 2025-10-19 · 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{KGCPNDLKZEZYDBTEDCW46ZJXUO}

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	2026-07-03T01:17:13.829413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5184f68d6ac93381866418adcf6537a385a875710f2bdfa2361cd4d7f93239a6

Aliases

arxiv: 2510.16810 · arxiv_version: 2510.16810v1 · doi: 10.48550/arxiv.2510.16810 · pith_short_12: KGCPNDLKZEZY · pith_short_16: KGCPNDLKZEZYDBTE · pith_short_8: KGCPNDLK

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/KGCPNDLKZEZYDBTEDCW46ZJXUO \
  | 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: 5184f68d6ac93381866418adcf6537a385a875710f2bdfa2361cd4d7f93239a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a21da82f143fb404f2c1f37e21e2cabe22b6780e121fd9f679a4e072447d6654",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-10-19T12:34:18Z",
    "title_canon_sha256": "a9784ea81def22c581b89f4b40f25d65987507d6da42372fa7b55b59764b1507"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.16810",
    "kind": "arxiv",
    "version": 1
  }
}