Pith Number

pith:MBQVVT37

pith:2025:MBQVVT377KGFMG2RA5GJBCNK6O

not attested not anchored not stored refs pending

QuGStep: Refining Step Size Selection in Gradient Estimation for Variational Quantum Algorithms

Chao Yang, Linghua Zhu, Senwei Liang, Xiaosong Li

arxiv:2503.14366 v2 · 2025-03-18 · 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{MBQVVT377KGFMG2RA5GJBCNK6O}

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	2026-07-05T12:01:59.059913Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60615acf7ffa8c561b51074c9089aaf388113d1559dc146cb8dc24bc50a00a5a

Aliases

arxiv: 2503.14366 · arxiv_version: 2503.14366v2 · doi: 10.48550/arxiv.2503.14366 · pith_short_12: MBQVVT377KGF · pith_short_16: MBQVVT377KGFMG2R · pith_short_8: MBQVVT37

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/MBQVVT377KGFMG2RA5GJBCNK6O \
  | 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: 60615acf7ffa8c561b51074c9089aaf388113d1559dc146cb8dc24bc50a00a5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a385e22c87362498d3713a1f8ed16d7eec4fd851c4f607c781cbcea60b697802",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-03-18T15:48:09Z",
    "title_canon_sha256": "dce2e40caa19a295bfbfefb7777bf8d483a152798157e5febbe8126cd79acbbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.14366",
    "kind": "arxiv",
    "version": 2
  }
}