Pith Number

pith:4MQ62GH7

pith:2026:4MQ62GH7IZZCXTT6U7CAB6D34B

not attested not anchored not stored refs pending

URecJPQ: Memory-efficient Multimodal Recommendation Models through RecJPQ in Large-Scale Scenarios

Aleksandr Petrov, Cataldo Musto, Craig Macdonald, Giuseppe Spillo, Iadh Ounis, Zixuan Yi

arxiv:2606.23291 v1 · 2026-06-22 · 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{4MQ62GH7IZZCXTT6U7CAB6D34B}

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	2026-06-23T03:14:15.980895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e321ed18ff46722bce7ea7c400f87be0555bc12b713021d5f7f25df67a423cf6

Aliases

arxiv: 2606.23291 · arxiv_version: 2606.23291v1 · doi: 10.48550/arxiv.2606.23291 · pith_short_12: 4MQ62GH7IZZC · pith_short_16: 4MQ62GH7IZZCXTT6 · pith_short_8: 4MQ62GH7

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/4MQ62GH7IZZCXTT6U7CAB6D34B \
  | 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: e321ed18ff46722bce7ea7c400f87be0555bc12b713021d5f7f25df67a423cf6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecad532f9d4072699cf67f667e79146427f08c62a74d3314fa1a699aaa969580",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-06-22T13:05:03Z",
    "title_canon_sha256": "1b224062a9c94533d088fa7893fc87d0ccc4847d9ecd7ee9a5edd60fa9efb52a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.23291",
    "kind": "arxiv",
    "version": 1
  }
}