Pith Number

pith:KX3TWETT

pith:2021:KX3TWETTNJ5TPD5CMKXANRAHRQ

not attested not anchored not stored refs pending

Performance comparison of optimization methods on variational quantum algorithms

Bruno Senjean, Charles Moussa, Diederick Vermetten, Hao Wang, Thomas B\"ack, Thomas E. O'Brien, Vedran Dunjko, Xavier Bonet-Monroig

arxiv:2111.13454 v3 · 2021-11-26 · 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{KX3TWETTNJ5TPD5CMKXANRAHRQ}

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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

Adaptive directional gradients for parameterised quantum circuits

Receipt and verification

First computed	2026-07-05T05:49:12.615632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55f73b12736a7b378fa262ae06c4078c31e24bc4e44b6d102d47c3fa43c84c09

Aliases

arxiv: 2111.13454 · arxiv_version: 2111.13454v3 · doi: 10.48550/arxiv.2111.13454 · pith_short_12: KX3TWETTNJ5T · pith_short_16: KX3TWETTNJ5TPD5C · pith_short_8: KX3TWETT

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/KX3TWETTNJ5TPD5CMKXANRAHRQ \
  | 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: 55f73b12736a7b378fa262ae06c4078c31e24bc4e44b6d102d47c3fa43c84c09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ec2ee31134b6d1452de06f0885dbcd2b764530e675c2280b4842957cf57620e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-11-26T12:13:20Z",
    "title_canon_sha256": "b123996608cb2089396893818402958ccf3065389e0a4f08ff4c4208f966c58e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.13454",
    "kind": "arxiv",
    "version": 3
  }
}