Pith Number

pith:7BBF4ITS

pith:2023:7BBF4ITSIQSWNTRK27ORPJX3EX

not attested not anchored not stored refs pending

A general learning scheme for classical and quantum Ising machines

Davide Pastorello, Enrico Zardini, Ludwig Schmid

arxiv:2310.18411 v2 · 2023-10-27 · 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{7BBF4ITSIQSWNTRK27ORPJX3EX}

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	2026-07-05T07:59:55.802826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8425e2272442566ce2ad7dd17a6fb25f68a91b02a394d9004f5a05a755bebb8

Aliases

arxiv: 2310.18411 · arxiv_version: 2310.18411v2 · doi: 10.48550/arxiv.2310.18411 · pith_short_12: 7BBF4ITSIQSW · pith_short_16: 7BBF4ITSIQSWNTRK · pith_short_8: 7BBF4ITS

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/7BBF4ITSIQSWNTRK27ORPJX3EX \
  | 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: f8425e2272442566ce2ad7dd17a6fb25f68a91b02a394d9004f5a05a755bebb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbbb3ad1c2d6e1d47600596678a8768d73e3e5f3ab7aa70f2e5d6d68dfde2e8c",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-10-27T18:07:02Z",
    "title_canon_sha256": "e86665371188e08dc46ba166fb5726bb9989aa414509345e6d3dc5dfe2341c34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.18411",
    "kind": "arxiv",
    "version": 2
  }
}