Pith Number

pith:LMXHNP63

pith:2026:LMXHNP63SO6QUF33MYBKWA7CCR

not attested not anchored not stored refs pending

When cheap gradients fail: the measurement cost of attacking quantum classifiers

Bacui Li, Chandra Thapa, Tansu Alpcan, Udaya Parampalli

arxiv:2607.11095 v1 · 2026-07-13 · quant-ph · cs.CR · 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{LMXHNP63SO6QUF33MYBKWA7CCR}

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	2026-07-14T01:22:16.112606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b2e76bfdb93bd0a177b6602ab03e21478f001d090b0016b8d92bef62e11bb84

Aliases

arxiv: 2607.11095 · arxiv_version: 2607.11095v1 · doi: 10.48550/arxiv.2607.11095 · pith_short_12: LMXHNP63SO6Q · pith_short_16: LMXHNP63SO6QUF33 · pith_short_8: LMXHNP63

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/LMXHNP63SO6QUF33MYBKWA7CCR \
  | 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: 5b2e76bfdb93bd0a177b6602ab03e21478f001d090b0016b8d92bef62e11bb84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3236ef473b661670a530c83c6879dd7691933ea292bed87b25a3d280dd326d0",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-13T05:03:41Z",
    "title_canon_sha256": "e01a703fe8c636403a5903f84b928caf9734a2324efe551c73eafa37c072f494"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.11095",
    "kind": "arxiv",
    "version": 1
  }
}