Pith Number

pith:QPRINSHJ

pith:2026:QPRINSHJTBXMBIE7J6NXSTCPEI

not attested not anchored not stored refs pending

$\sigma$-VQE: Excited-state preparation of quantum many-body scars with shallow circuits

Eoin Carolan, Gabriele Cenedese, Giuliano Benenti, Nathan Keenan

arxiv:2602.20881 v2 · 2026-02-24 · 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{QPRINSHJTBXMBIE7J6NXSTCPEI}

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	2026-05-20T00:01:39.778501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83e286c8e9986ec0a09f4f9b794c4f220ba5ab1e0aa6c92e15a9859e43aaa2ab

Aliases

arxiv: 2602.20881 · arxiv_version: 2602.20881v2 · doi: 10.48550/arxiv.2602.20881 · pith_short_12: QPRINSHJTBXM · pith_short_16: QPRINSHJTBXMBIE7 · pith_short_8: QPRINSHJ

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/QPRINSHJTBXMBIE7J6NXSTCPEI \
  | 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: 83e286c8e9986ec0a09f4f9b794c4f220ba5ab1e0aa6c92e15a9859e43aaa2ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e65dd0261b62e7ff6b476b6c50b7321072538a9f99893ac89d39e18f4faafc6d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-02-24T13:21:04Z",
    "title_canon_sha256": "116180d54bb9721a75ccf74a75ae739b8675048c7a190e941ce7c04a9089b392"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.20881",
    "kind": "arxiv",
    "version": 2
  }
}