Pith Number

pith:RWGQMJ6J

pith:2020:RWGQMJ6JU4QDODAVT7BNY2E3WG

not attested not anchored not stored refs pending

On the Quantum versus Classical Learnability of Discrete Distributions

Dominik Hangleiter, Jean-Pierre Seifert, Jens Eisert, Ryan Sweke

arxiv:2007.14451 v2 · 2020-07-28 · quant-ph · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RWGQMJ6JU4QDODAVT7BNY2E3WG}

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	2026-07-05T02:25:21.174086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d8d0627c9a720370c159fc2dc689bb18e1fef46807832970e2f2e806df33d67

Aliases

arxiv: 2007.14451 · arxiv_version: 2007.14451v2 · doi: 10.48550/arxiv.2007.14451 · pith_short_12: RWGQMJ6JU4QD · pith_short_16: RWGQMJ6JU4QDODAV · pith_short_8: RWGQMJ6J

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/RWGQMJ6JU4QDODAVT7BNY2E3WG \
  | 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: 8d8d0627c9a720370c159fc2dc689bb18e1fef46807832970e2f2e806df33d67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7982bc90ac43470d16044a5af6b43ac350125954afc09675ddf6c1fcf089a7ca",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-07-28T19:43:46Z",
    "title_canon_sha256": "333e1fdae4bd8a717e2b93537c12007396704aa79d63e5a32f13a25fd20cf4f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.14451",
    "kind": "arxiv",
    "version": 2
  }
}