Pith Number

pith:3ISFZCQQ

pith:2021:3ISFZCQQ2NAKVO3LEEJFEUH6TN

not attested not anchored not stored refs pending

General parameter-shift rules for quantum gradients

Cedric Yen-Yu Lin, Cody Wang, David Wierichs, Josh Izaac

arxiv:2107.12390 v3 · 2021-07-26 · 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{3ISFZCQQ2NAKVO3LEEJFEUH6TN}

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

2 papers in Pith

Continuous-variable ADAPT-VQE for bosonic lattice models

An Operational Framework for Nonclassicality in Quantum Communication Networks

Receipt and verification

First computed	2026-07-05T04:15:44.313238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da245c8a10d340aabb6b21125250fe9b78bdd9554a914fedf8f1f82e4370657a

Aliases

arxiv: 2107.12390 · arxiv_version: 2107.12390v3 · doi: 10.48550/arxiv.2107.12390 · pith_short_12: 3ISFZCQQ2NAK · pith_short_16: 3ISFZCQQ2NAKVO3L · pith_short_8: 3ISFZCQQ

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/3ISFZCQQ2NAKVO3LEEJFEUH6TN \
  | 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: da245c8a10d340aabb6b21125250fe9b78bdd9554a914fedf8f1f82e4370657a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "894a68ac4ec505502e7e00c62e64fb6099f90e85988e6a81252ef296378fe70e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-07-26T18:00:02Z",
    "title_canon_sha256": "e1350f6fb17ac7b774d395f18139fe5d8b5214d3141ee37169cf47ce78752344"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.12390",
    "kind": "arxiv",
    "version": 3
  }
}