Pith Number

pith:OOCNQHRO

pith:2022:OOCNQHROCVX2IJG6XACNUASAHJ

not attested not anchored not stored refs pending

Optimizing quantum circuits with Riemannian gradient flow

Nathan Killoran, Roeland Wiersema

arxiv:2202.06976 v2 · 2022-02-14 · 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{OOCNQHROCVX2IJG6XACNUASAHJ}

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.

Cited by

1 paper in Pith

PennyLane: Automatic differentiation of hybrid quantum-classical computations

Receipt and verification

First computed	2026-07-05T06:29:29.471357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7384d81e2e156fa424deb804da02403a692f6e422070800b3447dfd1e96ec0f1

Aliases

arxiv: 2202.06976 · arxiv_version: 2202.06976v2 · doi: 10.48550/arxiv.2202.06976 · pith_short_12: OOCNQHROCVX2 · pith_short_16: OOCNQHROCVX2IJG6 · pith_short_8: OOCNQHRO

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/OOCNQHROCVX2IJG6XACNUASAHJ \
  | 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: 7384d81e2e156fa424deb804da02403a692f6e422070800b3447dfd1e96ec0f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57e5299ddc19bfa25f40e5f95f8a071bcd2f9b81e20e94f468fee3e9246b88f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-02-14T19:00:06Z",
    "title_canon_sha256": "97a34bf025cd76533bb3c8a8a4d1bb66c4d5e042f91a32b67dbce432722345f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.06976",
    "kind": "arxiv",
    "version": 2
  }
}