Pith Number

pith:7XYQJ2I2

pith:2018:7XYQJ2I2LRM76V5ZDNW27KUEPL

not attested not anchored not stored refs pending

Inferring Complementary Products from Baskets and Browsing Sessions

Ilya Trofimov

arxiv:1809.09621 v1 · 2018-09-25 · cs.IR · cs.LG · 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{7XYQJ2I2LRM76V5ZDNW27KUEPL}

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	2026-05-18T00:04:44.206762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdf104e91a5c59ff57b91b6dafaa847ad7c344d88fa94947dbf282c3e0ee2936

Aliases

arxiv: 1809.09621 · arxiv_version: 1809.09621v1 · doi: 10.48550/arxiv.1809.09621 · pith_short_12: 7XYQJ2I2LRM7 · pith_short_16: 7XYQJ2I2LRM76V5Z · pith_short_8: 7XYQJ2I2

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/7XYQJ2I2LRM76V5ZDNW27KUEPL \
  | 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: fdf104e91a5c59ff57b91b6dafaa847ad7c344d88fa94947dbf282c3e0ee2936

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f09d03a2d4d9639aae4266cde93a8f65520aca109bfe9669ef476626dedada8a",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-09-25T08:38:05Z",
    "title_canon_sha256": "437b770816251fbcf36b17c2d57dc6bfcd0250b7d8591c4751a53c3f1f9b5612"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09621",
    "kind": "arxiv",
    "version": 1
  }
}