Pith Number

pith:REWGAYD2

pith:2025:REWGAYD2QON7HRWYPYC7ZIK7DY

not attested not anchored not stored refs pending

Fourier space readout method for efficiently recovering functions encoded in quantum states

Hirofumi Nishi, Tomofumi Zushi, Xinchi Huang, Yoshifumi Kawada, Yu-ichiro Matsushita

arxiv:2507.20599 v1 · 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{REWGAYD2QON7HRWYPYC7ZIK7DY}

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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

2 papers in Pith

Problem-Specific Basis Quantum State Readout via Proper Orthogonal Decomposition

An efficient quantum Hadamard product algorithm for functions

Receipt and verification

First computed	2026-07-05T11:44:22.261687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

892c60607a839bf3c6d87e05fca15f1e287f2a5bd0833b52d87fa84443639649

Aliases

arxiv: 2507.20599 · arxiv_version: 2507.20599v1 · doi: 10.48550/arxiv.2507.20599 · pith_short_12: REWGAYD2QON7 · pith_short_16: REWGAYD2QON7HRWY · pith_short_8: REWGAYD2

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/REWGAYD2QON7HRWYPYC7ZIK7DY \
  | 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: 892c60607a839bf3c6d87e05fca15f1e287f2a5bd0833b52d87fa84443639649

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ce6f9f6a04c970f4045529f4388aec776e78088de3a97fbfbc023a750562f47",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-07-28T08:10:48Z",
    "title_canon_sha256": "5f5441d256f0ac05ee3d837a2ea60836950b12d42d425e85209ce9262745d4e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.20599",
    "kind": "arxiv",
    "version": 1
  }
}