Pith Number

pith:R6TUII5B

pith:2025:R6TUII5BRDHQQ3OCQY7YGRDCBV

not attested not anchored not stored refs pending

Efficient LCU block encodings through Dicke states preparation

Filippo Della Chiara, Martina Nibbi, Roel Van Beeumen, Yizhi Shen

arxiv:2507.20887 v2 · 2025-07-28 · 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{R6TUII5BRDHQQ3OCQY7YGRDCBV}

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

6 papers in Pith

Quantum Channel Polynomial Processing

Lowering LCU Circuit Width through Maximum-Weight Birkhoff-von Neumann Decomposition

TARE: Block Encoding Linear Combinations of Pauli Strings Without Ancilla State Preparation

Qubit Routing for (Almost) Free

Receipt and verification

First computed	2026-07-05T11:57:38.190907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fa74423a188cf086dc2863f8344620d61532140838105d4ce9488712e69b371

Aliases

arxiv: 2507.20887 · arxiv_version: 2507.20887v2 · doi: 10.48550/arxiv.2507.20887 · pith_short_12: R6TUII5BRDHQ · pith_short_16: R6TUII5BRDHQQ3OC · pith_short_8: R6TUII5B

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/R6TUII5BRDHQQ3OCQY7YGRDCBV \
  | 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: 8fa74423a188cf086dc2863f8344620d61532140838105d4ce9488712e69b371

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10e8d8aa4f9b861c864938e756928b1344171520fc8b01413e112ea0413f2a1a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-07-28T14:39:16Z",
    "title_canon_sha256": "15757132437b92fc14333ac953b2c78dae1b0088ac498cf1442f9c523e6d7d11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.20887",
    "kind": "arxiv",
    "version": 2
  }
}