Pith Number

pith:WWGTFLCA

pith:2016:WWGTFLCAYN6NBXU5UNU4GRIWGP

not attested not anchored not stored refs pending

Item2Vec: Neural Item Embedding for Collaborative Filtering

Noam Koenigstein, Oren Barkan

arxiv:1603.04259 v3 · 2016-03-14 · cs.LG · cs.AI · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WWGTFLCAYN6NBXU5UNU4GRIWGP}

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	2026-05-18T00:50:22.604230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b58d32ac40c37cd0de9da369c3451633d3339448d893255f507088624417a750

Aliases

arxiv: 1603.04259 · arxiv_version: 1603.04259v3 · doi: 10.48550/arxiv.1603.04259 · pith_short_12: WWGTFLCAYN6N · pith_short_16: WWGTFLCAYN6NBXU5 · pith_short_8: WWGTFLCA

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/WWGTFLCAYN6NBXU5UNU4GRIWGP \
  | 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: b58d32ac40c37cd0de9da369c3451633d3339448d893255f507088624417a750

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fb1ac47f887b6524fac2ae7bc6026ceac582ea95fd46dcd7849f5bd0803bb29",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-03-14T13:37:03Z",
    "title_canon_sha256": "2e22e183a4009be0774bbd5ce92f2119dbc193c1f35f163e1c826f9305e1695d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.04259",
    "kind": "arxiv",
    "version": 3
  }
}