Pith Number

pith:2P6BHSA4

pith:2026:2P6BHSA4RXKRYEN2B26NFBRTX5

not attested not anchored not stored refs pending

Quantum algorithms for density functional theory with minimal readout

Hirofumi Nishi, Hiroki Sakagami, Satoshi Hirose, Taichi Kosugi, Tatsuki Oikawa, Tatsuya Okayama, Yuansheng Zhao, Yu-ichiro Matsushita

arxiv:2605.29774 v1 · 2026-05-28 · 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{2P6BHSA4RXKRYEN2B26NFBRTX5}

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	2026-05-29T02:05:25.795679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3fc13c81c8dd51c11ba0ebcd28633bf489e50522782219a2a897059e4c426fb

Aliases

arxiv: 2605.29774 · arxiv_version: 2605.29774v1 · doi: 10.48550/arxiv.2605.29774 · pith_short_12: 2P6BHSA4RXKR · pith_short_16: 2P6BHSA4RXKRYEN2 · pith_short_8: 2P6BHSA4

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/2P6BHSA4RXKRYEN2B26NFBRTX5 \
  | 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: d3fc13c81c8dd51c11ba0ebcd28633bf489e50522782219a2a897059e4c426fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73d2e7fd2945cf8688809355da05efb8774e2f3a4cd7b47a53cf8f2620b6f911",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-28T11:19:49Z",
    "title_canon_sha256": "abf1c1a3745a6b442d57212440f284ee36989db0f4864364840298555dbe5927"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.29774",
    "kind": "arxiv",
    "version": 1
  }
}