Pith Number

pith:KQGQLGBK

pith:2021:KQGQLGBKYUFB2EVOI4DQYFFMUN

not attested not anchored not stored refs pending

Excited state calculations using variational quantum eigensolver with spin-restricted ans\"atze and automatically-adjusted constraints

Hajime Nakamura, Miho Hatanaka, Qi Gao, Shigeki Gocho, Shu Kanno, Taichi Inagaki, Takao Kobayashi

arxiv:2110.14448 v3 · 2021-10-27 · 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{KQGQLGBKYUFB2EVOI4DQYFFMUN}

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	2026-07-05T05:28:59.836031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

540d05982ac50a1d12ae47070c14aca361cd8d0142acd423d682065ed67bacc8

Aliases

arxiv: 2110.14448 · arxiv_version: 2110.14448v3 · doi: 10.48550/arxiv.2110.14448 · pith_short_12: KQGQLGBKYUFB · pith_short_16: KQGQLGBKYUFB2EVO · pith_short_8: KQGQLGBK

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/KQGQLGBKYUFB2EVOI4DQYFFMUN \
  | 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: 540d05982ac50a1d12ae47070c14aca361cd8d0142acd423d682065ed67bacc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c79beb5633b36c54d73b0bdb5a51393f71434cc48f85e50f86cd2492b6e3de82",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-10-27T14:10:31Z",
    "title_canon_sha256": "2065d724d2f5b375e1c4beb378b6f26235e8032f167ab50875ade296bca799ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.14448",
    "kind": "arxiv",
    "version": 3
  }
}