Pith Number

pith:C7CJTSIE

pith:2022:C7CJTSIEQZRKSZKOSMWK7HBGEI

not attested not anchored not stored refs pending

Classical surrogates for quantum learning models

Franz J. Schreiber, Jens Eisert, Johannes Jakob Meyer

arxiv:2206.11740 v1 · 2022-06-23 · quant-ph · cs.AI · 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{C7CJTSIEQZRKSZKOSMWK7HBGEI}

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	2026-07-05T06:48:45.174569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17c499c9048662a9654e932caf9c26223368fdac454d0751d61cd1920c322c1e

Aliases

arxiv: 2206.11740 · arxiv_version: 2206.11740v1 · doi: 10.48550/arxiv.2206.11740 · pith_short_12: C7CJTSIEQZRK · pith_short_16: C7CJTSIEQZRKSZKO · pith_short_8: C7CJTSIE

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/C7CJTSIEQZRKSZKOSMWK7HBGEI \
  | 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: 17c499c9048662a9654e932caf9c26223368fdac454d0751d61cd1920c322c1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6314f0aa9fd2ce9c398baea57c376cb7434737bcd676f039cfbf80666fdb55e",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-06-23T14:37:02Z",
    "title_canon_sha256": "dd1392092639b0566c61b7d82c8ae111c3f53e555af529c1c63d8d8566aaf6ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.11740",
    "kind": "arxiv",
    "version": 1
  }
}