Pith Number

pith:GVD2GQQS

pith:2021:GVD2GQQSNMXQKT4FXVDA6P4KLQ

not attested not anchored not stored refs pending

Improved accuracy on noisy devices by non-unitary Variational Quantum Eigensolver for chemistry applications

Chiara Capecci, Francesco Benfenati, Guglielmo Mazzola, Ivano Tavernelli, Leonardo Guidoni, Panagiotis Kl. Barkoutsos, Pauline J. Ollitrault

arxiv:2101.09316 v1 · 2021-01-22 · quant-ph · physics.chem-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{GVD2GQQSNMXQKT4FXVDA6P4KLQ}

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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.

Cited by

1 paper in Pith

Multi-QIDA method for VQE state preparation in molecular systems

Receipt and verification

First computed	2026-07-05T02:09:17.618122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3547a342126b2f054f85bd460f3f8a5c32cea78fb00385c432e53b3add808177

Aliases

arxiv: 2101.09316 · arxiv_version: 2101.09316v1 · doi: 10.48550/arxiv.2101.09316 · pith_short_12: GVD2GQQSNMXQ · pith_short_16: GVD2GQQSNMXQKT4F · pith_short_8: GVD2GQQS

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/GVD2GQQSNMXQKT4FXVDA6P4KLQ \
  | 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: 3547a342126b2f054f85bd460f3f8a5c32cea78fb00385c432e53b3add808177

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e98c54c4f794d22fd579e5cabd822dcecced65f0851bd34becce20c055aac749",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-01-22T20:17:37Z",
    "title_canon_sha256": "7b271bee7622428208373b1939a4094c9c61cce5d490a12bde8bb7f4e900697b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.09316",
    "kind": "arxiv",
    "version": 1
  }
}