Pith Number

pith:7CQMEGKR

pith:2019:7CQMEGKRSVH2AGVRJNAUUOUA5V

not attested not anchored not stored refs pending

Quantum natural gradient generalised to noisy and non-unitary circuits

B\'alint Koczor, Simon C. Benjamin

arxiv:1912.08660 v5 · 2019-12-18 · 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{7CQMEGKRSVH2AGVRJNAUUOUA5V}

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

Quantum simulation of massive Thirring and Gross--Neveu models for arbitrary number of flavors

Receipt and verification

First computed	2026-07-05T06:49:13.308008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8a0c21951954fa01ab14b414a3a80ed4107d1da58b2038dfc6966dd61d1cc9e

Aliases

arxiv: 1912.08660 · arxiv_version: 1912.08660v5 · doi: 10.48550/arxiv.1912.08660 · pith_short_12: 7CQMEGKRSVH2 · pith_short_16: 7CQMEGKRSVH2AGVR · pith_short_8: 7CQMEGKR

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/7CQMEGKRSVH2AGVRJNAUUOUA5V \
  | 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: f8a0c21951954fa01ab14b414a3a80ed4107d1da58b2038dfc6966dd61d1cc9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f8068f439bd93fd73e42fbd210657076b0275f4fd06bac3b255aa8db616c3ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-12-18T15:27:24Z",
    "title_canon_sha256": "9517bab0144e3b7285c7fba3b2601dfc57a48e1d9dfb567ea035929b916b9cf5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.08660",
    "kind": "arxiv",
    "version": 5
  }
}