Pith Number

pith:LUIXWCK7

pith:2018:LUIXWCK7OFTW6G3CDWQS6R7VWC

not attested not anchored not stored refs pending

Smooth input preparation for quantum and quantum-inspired machine learning

Jack K. Fitzsimons, Joseph F. Fitzsimons, Patrick Rebentrost, Vedran Dunjko, Zhikuan Zhao

arxiv:1804.00281 v2 · 2018-04-01 · quant-ph · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LUIXWCK7OFTW6G3CDWQS6R7VWC}

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	2026-07-04T23:51:17.927034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d117b095f71676f1b621da12f47f5b0b1d1a5da83520a1308559ecfc968ebaf

Aliases

arxiv: 1804.00281 · arxiv_version: 1804.00281v2 · doi: 10.48550/arxiv.1804.00281 · pith_short_12: LUIXWCK7OFTW · pith_short_16: LUIXWCK7OFTW6G3C · pith_short_8: LUIXWCK7

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/LUIXWCK7OFTW6G3CDWQS6R7VWC \
  | 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: 5d117b095f71676f1b621da12f47f5b0b1d1a5da83520a1308559ecfc968ebaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cd158d19cb000d734e12d5a371863874251f8ef0c9228bf14fdabb0cea6aa18",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-04-01T11:10:00Z",
    "title_canon_sha256": "9ca06826f377f42a11b9e2499fb31aee306da18aea6e400d01b727cb8b5831db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00281",
    "kind": "arxiv",
    "version": 2
  }
}