Pith Number

pith:GUNXNEIC

pith:2026:GUNXNEICTQPMGKSD7QLHANAIR3

not attested not anchored not stored refs pending

Noise Resilience and Robust Convergence Guarantees for the Variational Quantum Eigensolver

Julian Berberich, Mirko Legnini

arxiv:2601.16758 v2 · 2026-01-23 · quant-ph · cs.SY · eess.SY · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GUNXNEICTQPMGKSD7QLHANAIR3}

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	2026-07-03T00:16:52.080073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

351b7691029c1ec32a43fc167034088ef394fa1bf2e861588bf6d03f39b38bff

Aliases

arxiv: 2601.16758 · arxiv_version: 2601.16758v2 · doi: 10.48550/arxiv.2601.16758 · pith_short_12: GUNXNEICTQPM · pith_short_16: GUNXNEICTQPMGKSD · pith_short_8: GUNXNEIC

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/GUNXNEICTQPMGKSD7QLHANAIR3 \
  | 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: 351b7691029c1ec32a43fc167034088ef394fa1bf2e861588bf6d03f39b38bff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dca5e4ef2a09b9887dda5e80bd3732bce320ecb5e9aa06a9ea3bf034604336be",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-01-23T14:05:10Z",
    "title_canon_sha256": "3b2932693d920b80983d91a497ca5ea01b924d9120b88b13cd5cb7caa5fc387d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.16758",
    "kind": "arxiv",
    "version": 2
  }
}