Pith Number

pith:CIBMPCP7

pith:2020:CIBMPCP76FUSBSOLXNBNANEUEV

not attested not anchored not stored refs pending

Large-scale Real-time Personalized Similar Product Recommendations

Dong Li, Jing Gao, Li Chen, Yan Huang, Zhi Liu

arxiv:2004.05716 v1 · 2020-04-12 · cs.IR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CIBMPCP76FUSBSOLXNBNANEUEV}

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	2026-07-05T00:54:40.050963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1202c789fff16920c9cbbb42d03494255bcd5916191617a4e1b581693acdfad2

Aliases

arxiv: 2004.05716 · arxiv_version: 2004.05716v1 · doi: 10.48550/arxiv.2004.05716 · pith_short_12: CIBMPCP76FUS · pith_short_16: CIBMPCP76FUSBSOL · pith_short_8: CIBMPCP7

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/CIBMPCP76FUSBSOLXNBNANEUEV \
  | 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: 1202c789fff16920c9cbbb42d03494255bcd5916191617a4e1b581693acdfad2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cff247beb3b7eccf4111979a2a045e798b309959fe3f96eb008caf77e0aa03e",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2020-04-12T23:16:14Z",
    "title_canon_sha256": "9b3651199dae1aeaf54fd8e16ab3585625cd06c3f79a2a6855efd9a1f014712f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.05716",
    "kind": "arxiv",
    "version": 1
  }
}