Pith Number

pith:JKAKIFBG

pith:2026:JKAKIFBGEMYJV463EFACP7KFJH

not attested not anchored not stored refs pending

A Multiclass Quantum Aligned Centroid Kernel

Kilian Tscharke, Pascal Debus

arxiv:2607.19782 v1 · 2026-07-22 · 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{JKAKIFBGEMYJV463EFACP7KFJH}

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	2026-07-23T01:23:59.008407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a80a4142623309af3db214027fd4549cf2e9f45eeaaf1ce0adb64c0090e860e

Aliases

arxiv: 2607.19782 · arxiv_version: 2607.19782v1 · doi: 10.48550/arxiv.2607.19782 · pith_short_12: JKAKIFBGEMYJ · pith_short_16: JKAKIFBGEMYJV463 · pith_short_8: JKAKIFBG

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/JKAKIFBGEMYJV463EFACP7KFJH \
  | 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: 4a80a4142623309af3db214027fd4549cf2e9f45eeaaf1ce0adb64c0090e860e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e1837c0a09c58cc9c894bc5e2f0855d089451e5d1f040bff2f51aa4e36212e6",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-22T06:03:20Z",
    "title_canon_sha256": "6a515b2a5f94341a62f49d776304a30d1b55255d58b6371537c8d14d70fdeb29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.19782",
    "kind": "arxiv",
    "version": 1
  }
}