Pith Number

pith:3ANIPNB2

pith:2024:3ANIPNB2LGSOUBBMTLLKCOLXFO

not attested not anchored not stored refs pending

Achieving the Multi-parameter Quantum Cram\'er-Rao Bound with Antiunitary Symmetry

Aonan Zhang, Ben Wang, Kaimin Zheng, Liang Xu, Lijian Zhang, Qian Xie

arxiv:2411.14929 v1 · 2024-11-22 · 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{3ANIPNB2LGSOUBBMTLLKCOLXFO}

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	2026-07-05T09:39:13.812021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d81a87b43a59a4ea042c9ad6a139772b9c447ef010a9f51bc2b6778b03902d0f

Aliases

arxiv: 2411.14929 · arxiv_version: 2411.14929v1 · doi: 10.48550/arxiv.2411.14929 · pith_short_12: 3ANIPNB2LGSO · pith_short_16: 3ANIPNB2LGSOUBBM · pith_short_8: 3ANIPNB2

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/3ANIPNB2LGSOUBBMTLLKCOLXFO \
  | 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: d81a87b43a59a4ea042c9ad6a139772b9c447ef010a9f51bc2b6778b03902d0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d9c17e9d6afab2c835369b1079d45f87718a2a85120a18cc2a3c193375f593c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2024-11-22T13:37:43Z",
    "title_canon_sha256": "661ab292f48fcd384af04a05b9e6f1897691767b101bff2ec84b714ede7fd37f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.14929",
    "kind": "arxiv",
    "version": 1
  }
}