Pith Number

pith:IGFCDCQW

pith:2026:IGFCDCQWSIWGIZAWE7SX7DBSHG

not attested not anchored not stored refs pending

Bell State Analysis Provides an Optimal Basis Saturating the Quantum Cramer-Rao in Rotation Sensing

Daniel F. V. James, Zhuoran Bao

arxiv:2605.24108 v1 · 2026-05-22 · 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{IGFCDCQWSIWGIZAWE7SX7DBSHG}

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	2026-05-26T01:02:46.612361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

418a218a16922c64641627e57f8c3239b32e51aece42ccf8d24de08e5aa6a4eb

Aliases

arxiv: 2605.24108 · arxiv_version: 2605.24108v1 · doi: 10.48550/arxiv.2605.24108 · pith_short_12: IGFCDCQWSIWG · pith_short_16: IGFCDCQWSIWGIZAW · pith_short_8: IGFCDCQW

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/IGFCDCQWSIWGIZAWE7SX7DBSHG \
  | 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: 418a218a16922c64641627e57f8c3239b32e51aece42ccf8d24de08e5aa6a4eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e2e5f67a9f58ac30cc31855e3ff33f6455c51e69a6ae67cfa73bcf6a6013e01",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-22T18:16:01Z",
    "title_canon_sha256": "a23aa93213baff7fd24d6991f554f0f2834f9bb932423dbdc0836fa7d86bb4b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.24108",
    "kind": "arxiv",
    "version": 1
  }
}