Pith Number

pith:OQ4JXTEU

pith:2019:OQ4JXTEUJWZDFTHGWRGCM2H5ZA

not attested not anchored not stored refs pending

The learnability scaling of quantum states: restricted Boltzmann machines

Anna Golubeva, Bohdan Kulchytskyy, Dan Sehayek, Giacomo Torlai, Michael S. Albergo, Roger G. Melko

arxiv:1908.07532 v2 · 2019-08-20 · 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{OQ4JXTEUJWZDFTHGWRGCM2H5ZA}

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	2026-07-05T00:20:18.818782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74389bcc944db232cce6b44c2668fdc8323a95422911e5bc62401412159c38ce

Aliases

arxiv: 1908.07532 · arxiv_version: 1908.07532v2 · doi: 10.48550/arxiv.1908.07532 · pith_short_12: OQ4JXTEUJWZD · pith_short_16: OQ4JXTEUJWZDFTHG · pith_short_8: OQ4JXTEU

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/OQ4JXTEUJWZDFTHGWRGCM2H5ZA \
  | 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: 74389bcc944db232cce6b44c2668fdc8323a95422911e5bc62401412159c38ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33b12f91a2687d68a2ee7ecc932f09a6fd40f753aec74c793921efca166a77a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-08-20T18:00:01Z",
    "title_canon_sha256": "37251ea92af4242f111e63dbfa52955634b6a4dff208c86b40b186cd67ead79a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07532",
    "kind": "arxiv",
    "version": 2
  }
}