Pith Number

pith:VQYO6M7F

pith:2019:VQYO6M7F2HGKZXPZBONIYC4PWQ

not attested not anchored not stored refs pending

Item Listing Optimization for E-commerce Websites based on Diversity

Koji Suganuma, Kotaro Tanahashi, Masamichi J. Miyama, Masayuki Ohzeki, Naoki Nishimura

arxiv:1903.12478 v1 · 2019-03-27 · quant-ph · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VQYO6M7F2HGKZXPZBONIYC4PWQ}

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	2026-05-17T23:40:32.884983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac30ef33e5d1ccacddf90b9a8c0b8fb429c3f1900312d7e77f084225b35e32df

Aliases

arxiv: 1903.12478 · arxiv_version: 1903.12478v1 · doi: 10.48550/arxiv.1903.12478 · pith_short_12: VQYO6M7F2HGK · pith_short_16: VQYO6M7F2HGKZXPZ · pith_short_8: VQYO6M7F

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/VQYO6M7F2HGKZXPZBONIYC4PWQ \
  | 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: ac30ef33e5d1ccacddf90b9a8c0b8fb429c3f1900312d7e77f084225b35e32df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "997b07dff84c76f5c493a500dc1350d3f6124c63c836b1e6ebb0414016dd8a2a",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-03-27T18:00:01Z",
    "title_canon_sha256": "363df22ad75119bca1b37991e9e6aaea078bf6b0e584045ca43dc85912f23bc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.12478",
    "kind": "arxiv",
    "version": 1
  }
}