Pith Number

pith:I22R7VV4

pith:2025:I22R7VV4ZYSGQA2M6UGQ7VYLXS

not attested not anchored not stored refs pending

Verifiable End-to-End Delegated Variational Quantum Algorithms

Anna Pappa, Matteo Inajetovic, Petros Wallden

arxiv:2504.15410 v4 · 2025-04-21 · 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{I22R7VV4ZYSGQA2M6UGQ7VYLXS}

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	2026-06-30T02:16:50.911511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46b51fd6bcce2468034cf50d0fd70bbc8f1a61075f09583dc174ac0ee22b975c

Aliases

arxiv: 2504.15410 · arxiv_version: 2504.15410v4 · doi: 10.48550/arxiv.2504.15410 · pith_short_12: I22R7VV4ZYSG · pith_short_16: I22R7VV4ZYSGQA2M · pith_short_8: I22R7VV4

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/I22R7VV4ZYSGQA2M6UGQ7VYLXS \
  | 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: 46b51fd6bcce2468034cf50d0fd70bbc8f1a61075f09583dc174ac0ee22b975c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88b0359a86dabd8de996cb4d8d6fa1b7caf61de3947706dc91577b701f67a8c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-04-21T19:36:42Z",
    "title_canon_sha256": "e52b0c48e07dff2f02eae5bb6781652ffc364b6e387185e628497056020f9ce6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.15410",
    "kind": "arxiv",
    "version": 4
  }
}