Pith Number

pith:2JZ57BD4

pith:2026:2JZ57BD4BLPSPKSCI4I347KYYJ

not attested not anchored not stored refs pending

Bowtie VarQTE: A Resource-Efficient Quantum State Preparation Primitive

Alberto Baiardi, Christa Zoufal, Francesco Tacchino, Marc Drudis, Mattia Chiurco, Stefan Woerner

arxiv:2605.20331 v1 · 2026-05-19 · 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{2JZ57BD4BLPSPKSCI4I347KYYJ}

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	2026-05-21T00:04:25.587180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d273df847c0adf27aa424711be7d58c241e2ec8597e9be84dd9b0947f1a54581

Aliases

arxiv: 2605.20331 · arxiv_version: 2605.20331v1 · doi: 10.48550/arxiv.2605.20331 · pith_short_12: 2JZ57BD4BLPS · pith_short_16: 2JZ57BD4BLPSPKSC · pith_short_8: 2JZ57BD4

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/2JZ57BD4BLPSPKSCI4I347KYYJ \
  | 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: d273df847c0adf27aa424711be7d58c241e2ec8597e9be84dd9b0947f1a54581

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7767485f8ea0b910b6c6fb4d883e9840f50ab201f5a0db58b87393dfaa8dce6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-19T18:00:03Z",
    "title_canon_sha256": "a3cf83f2e6ac1f75400639299c636f6f201679d8eb3788ecf173a47ca5e004f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20331",
    "kind": "arxiv",
    "version": 1
  }
}