Pith Number

pith:HRX4JTCQ

pith:2021:HRX4JTCQFFOXIRZUQC3VN6BQBS

not attested not anchored not stored refs pending

Information-theoretic bounds on quantum advantage in machine learning

Hsin-Yuan Huang, John Preskill, Richard Kueng

arxiv:2101.02464 v2 · 2021-01-07 · quant-ph · cs.IT · cs.LG · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HRX4JTCQFFOXIRZUQC3VN6BQBS}

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

Genuine Global Kochen-Specker Contextuality as Classical Coordination Cost

Receipt and verification

First computed	2026-07-05T02:41:11.912555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c6fc4cc50295d74473480b756f8300c865983d39aa918839bc912384df41724

Aliases

arxiv: 2101.02464 · arxiv_version: 2101.02464v2 · doi: 10.48550/arxiv.2101.02464 · pith_short_12: HRX4JTCQFFOX · pith_short_16: HRX4JTCQFFOXIRZU · pith_short_8: HRX4JTCQ

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/HRX4JTCQFFOXIRZUQC3VN6BQBS \
  | 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: 3c6fc4cc50295d74473480b756f8300c865983d39aa918839bc912384df41724

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cde5db2e9a28dc8089f25abd4a9453b0c1bff1fa9d0500de5024cf224f8c1f28",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.LG",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-01-07T10:10:09Z",
    "title_canon_sha256": "a708e033462539881f8caae2e3b6ae7f0c3593e375999b267dafe249e583f6ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.02464",
    "kind": "arxiv",
    "version": 2
  }
}