Pith Number

pith:YQVN24I3

pith:2020:YQVN24I3U4R6OCGIXU2HSDM5U3

not attested not anchored not stored refs pending

The Meta-Variational Quantum Eigensolver (Meta-VQE): Learning energy profiles of parameterized Hamiltonians for quantum simulation

Al\'an Aspuru-Guzik, Alba Cervera-Lierta, Jakob S. Kottmann

arxiv:2009.13545 v3 · 2020-09-28 · 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{YQVN24I3U4R6OCGIXU2HSDM5U3}

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	2026-07-05T02:44:15.963972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c42add711ba723e708c8bd34790d9da6c4eb0a6857c7b8b178db8c4d35eff2ab

Aliases

arxiv: 2009.13545 · arxiv_version: 2009.13545v3 · doi: 10.48550/arxiv.2009.13545 · pith_short_12: YQVN24I3U4R6 · pith_short_16: YQVN24I3U4R6OCGI · pith_short_8: YQVN24I3

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/YQVN24I3U4R6OCGIXU2HSDM5U3 \
  | 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: c42add711ba723e708c8bd34790d9da6c4eb0a6857c7b8b178db8c4d35eff2ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ad3f4bf9ece32780f23a53decd3d9ca7221d6ab993e7f1ccb4cf461e78ddd04",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-09-28T18:00:15Z",
    "title_canon_sha256": "10987151ec17bef04428c8039670f4d2bc1d386d3dd16a3eff1b7324ffd34345"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.13545",
    "kind": "arxiv",
    "version": 3
  }
}