Pith Number

pith:XA3QSYSK

pith:2026:XA3QSYSKMIAAP5G2R36MXAHQC3

not attested not anchored not stored refs pending

From hyperplanes to hyperellipsoids: characterizing the inherent interpretability of linear and single-qubit mixed-state binary classification models

Kaitlin Gili

arxiv:2607.15433 v1 · 2026-07-16 · cs.LG · 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{XA3QSYSKMIAAP5G2R36MXAHQC3}

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	2026-07-20T00:18:33.327881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b83709624a620007f4da8efccb80f016ce74ca0bbb3cbf7b002958256a229fc8

Aliases

arxiv: 2607.15433 · arxiv_version: 2607.15433v1 · doi: 10.48550/arxiv.2607.15433 · pith_short_12: XA3QSYSKMIAA · pith_short_16: XA3QSYSKMIAAP5G2 · pith_short_8: XA3QSYSK

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/XA3QSYSKMIAAP5G2R36MXAHQC3 \
  | 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: b83709624a620007f4da8efccb80f016ce74ca0bbb3cbf7b002958256a229fc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1aeb53eba0a1077edff4942016d89bf9fb2105a3c9d23ba5bd744e88bcc29e2e",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-16T20:07:35Z",
    "title_canon_sha256": "9c5ba5b826e68d70bdc19117cfd571faad303c66a085e2530ac3100287d85c51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.15433",
    "kind": "arxiv",
    "version": 1
  }
}