Pith Number

pith:72MV5AYA

pith:2019:72MV5AYAZT2UXAR6P6H3YFNO2X

not attested not anchored not stored refs pending

Experimental quantum kernel machine learning with nuclear spins in a solid

Keisuke Fujii, Kosuke Mitarai, Makoto Negoro, Masahiro Kitagawa, Takeru Kusumoto

arxiv:1911.12021 v1 · 2019-11-27 · 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{72MV5AYAZT2UXAR6P6H3YFNO2X}

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

Benchmarking a machine-learning differential equations solver on a neutral-atom logical processor

Receipt and verification

First computed	2026-07-05T04:03:42.997439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe995e8300ccf54b823e7f8fbc15aed5f2d0f27b654df5ae649e43041176c884

Aliases

arxiv: 1911.12021 · arxiv_version: 1911.12021v1 · doi: 10.48550/arxiv.1911.12021 · pith_short_12: 72MV5AYAZT2U · pith_short_16: 72MV5AYAZT2UXAR6 · pith_short_8: 72MV5AYA

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/72MV5AYAZT2UXAR6P6H3YFNO2X \
  | 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: fe995e8300ccf54b823e7f8fbc15aed5f2d0f27b654df5ae649e43041176c884

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72117ebfb43d5090c2310bd1c4139c73c2f0eb2883ff5254ff63b7e571e80330",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-11-27T08:38:32Z",
    "title_canon_sha256": "f4c69d69e3990626488b2339ef7cc458331181e95bd1edfd3a12357472fed4ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.12021",
    "kind": "arxiv",
    "version": 1
  }
}