Pith Number

pith:SEWSRPTT

pith:2018:SEWSRPTTYDJJ4UVUXYMB4SG2AQ

not attested not anchored not stored refs pending

Learning Item-Interaction Embeddings for User Recommendations

Diane Hu, Liangjie Hong, Raphael Louca, Xiaoting Zhao

arxiv:1812.04407 v1 · 2018-12-11 · 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{SEWSRPTTYDJJ4UVUXYMB4SG2AQ}

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	2026-05-17T23:58:32.265300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

912d28be73c0d29e52b4be181e48da0435fe13da3c1cec841ac0b4b4a454fc92

Aliases

arxiv: 1812.04407 · arxiv_version: 1812.04407v1 · doi: 10.48550/arxiv.1812.04407 · pith_short_12: SEWSRPTTYDJJ · pith_short_16: SEWSRPTTYDJJ4UVU · pith_short_8: SEWSRPTT

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/SEWSRPTTYDJJ4UVUXYMB4SG2AQ \
  | 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: 912d28be73c0d29e52b4be181e48da0435fe13da3c1cec841ac0b4b4a454fc92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57534f253d1111d008e700e067978b5aad5403ad50041d9d20fb1907e76fd07b",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-12-11T14:06:13Z",
    "title_canon_sha256": "8c9f194a24ff172dca462f455ae74c0e0532080ea21dfb31f9240f6cc2ce1b33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.04407",
    "kind": "arxiv",
    "version": 1
  }
}