Pith Number

pith:OCBJRK4U

pith:2019:OCBJRK4U5EH3CUG4SF47U5NJPY

not attested not anchored not stored refs pending

Analysis and synthesis of feature map for kernel-based quantum classifier

Hiroshi Yano, Manato Akiyama, Naoki Yamamoto, Qi Gao, Shumpei Uno, Tomoki Tanaka, Yudai Suzuki

arxiv:1906.10467 v3 · 2019-06-25 · 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{OCBJRK4U5EH3CUG4SF47U5NJPY}

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	2026-07-05T01:27:18.499656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

708298ab94e90fb150dc9179fa75a97e3363d0da555b3c6b9fe3c0262a695b82

Aliases

arxiv: 1906.10467 · arxiv_version: 1906.10467v3 · doi: 10.48550/arxiv.1906.10467 · pith_short_12: OCBJRK4U5EH3 · pith_short_16: OCBJRK4U5EH3CUG4 · pith_short_8: OCBJRK4U

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/OCBJRK4U5EH3CUG4SF47U5NJPY \
  | 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: 708298ab94e90fb150dc9179fa75a97e3363d0da555b3c6b9fe3c0262a695b82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92c8d94b030ef6da49a0cf734e88fc2734a7df27c86a239eea937bb7ad5d6f7d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-06-25T12:11:09Z",
    "title_canon_sha256": "ecd04be9a988d8823cf540b1132a536350402ad599927c48e0e5499d17d1517a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.10467",
    "kind": "arxiv",
    "version": 3
  }
}