Pith Number

pith:IFWXRINT

pith:2025:IFWXRINTY4MKGFX7HQQUG2PGKV

not attested not anchored not stored refs pending

A Practical Open-Source Software Stack for a Cloud-Based Quantum Computing System

Haruki Nakayama, Keita Matsumoto, Keita Sasada, Kosuke Miyaji, Masaomi Yamaguchi, Naoyuki Masumoto, Norihiro Kakuko, Ryo Uchida, Satoyuki Tsukano, Shun Gokita, Takafumi Miyanaga, Toshio Mori, Yasuhito Takamiya

arxiv:2507.23165 v1 · 2025-07-31 · 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{IFWXRINTY4MKGFX7HQQUG2PGKV}

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

1 paper in Pith

Quantum computing for accurate large-scale electronic-structure calculations: DFT-embedded, post-processed quantum-selected configuration interaction

Receipt and verification

First computed	2026-07-05T12:02:49.300535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

416d78a1b3c718a316ff3c214369e6556dc364fad507f35c3a741a1bea475168

Aliases

arxiv: 2507.23165 · arxiv_version: 2507.23165v1 · doi: 10.48550/arxiv.2507.23165 · pith_short_12: IFWXRINTY4MK · pith_short_16: IFWXRINTY4MKGFX7 · pith_short_8: IFWXRINT

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/IFWXRINTY4MKGFX7HQQUG2PGKV \
  | 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: 416d78a1b3c718a316ff3c214369e6556dc364fad507f35c3a741a1bea475168

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81f7c8f049f8bcccd628f32cb715b381426c470857521048832081b2b382993c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-07-31T00:23:31Z",
    "title_canon_sha256": "7c45790c629bbfa801fd27819795c7509e17a6e592847be17465977a79c94746"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.23165",
    "kind": "arxiv",
    "version": 1
  }
}