Pith Number

pith:PKCHSRLP

pith:2025:PKCHSRLPJT6INVMYZPNCSKZBKK

not attested not anchored not stored refs pending

Faster and Memory-Efficient Training of Sequential Recommendation Models for Large Catalogs

Alexey Vasilev, Alexey Zaytsev, Anna Volodkevich, Daniil Volkov, Darya Denisova, Dmitry Redko, Egor Shvetsov, Maxim Zhelnin, Petr Sokerin, Ruslan Izmailov, Valeriy Shevchenko

arxiv:2509.09682 v6 · 2025-08-13 · 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{PKCHSRLPJT6INVMYZPNCSKZBKK}

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	2026-05-21T01:05:08.655603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a8479456f4cfc86d598cbda292b21529d1595ba991fcaf7037c4ecfeb3b4bc8

Aliases

arxiv: 2509.09682 · arxiv_version: 2509.09682v6 · doi: 10.48550/arxiv.2509.09682 · pith_short_12: PKCHSRLPJT6I · pith_short_16: PKCHSRLPJT6INVMY · pith_short_8: PKCHSRLP

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/PKCHSRLPJT6INVMYZPNCSKZBKK \
  | 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: 7a8479456f4cfc86d598cbda292b21529d1595ba991fcaf7037c4ecfeb3b4bc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cb0d71cc0045db36841d6cc4bcc95db41ce5ac833432f35951ac53e8faeb234",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-08-13T15:03:38Z",
    "title_canon_sha256": "7745848544ae8a0d2b43b16df3f42a1e0c3ec335d5707704e8a042b461b7d3fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.09682",
    "kind": "arxiv",
    "version": 6
  }
}