Pith Number

pith:4AZ326A5

pith:2025:4AZ326A54UGSMBIB3TYRXGKPLD

not attested not anchored not stored refs pending

Let It Go? Not Quite: Addressing Item Cold Start in Sequential Recommendations with Content-Based Initialization

Alexey Vasilev, Anton Klenitskiy, Anton Pembek, Artem Fatkulin

arxiv:2507.19473 v1 · 2025-07-25 · cs.IR · cs.AI · 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{4AZ326A54UGSMBIB3TYRXGKPLD}

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	2026-07-05T11:43:25.882485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e033bd781de50d260501dcf11b994f58e431cba75c3f2d8b1e8ca82f0adf1378

Aliases

arxiv: 2507.19473 · arxiv_version: 2507.19473v1 · doi: 10.48550/arxiv.2507.19473 · pith_short_12: 4AZ326A54UGS · pith_short_16: 4AZ326A54UGSMBIB · pith_short_8: 4AZ326A5

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/4AZ326A54UGSMBIB3TYRXGKPLD \
  | 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: e033bd781de50d260501dcf11b994f58e431cba75c3f2d8b1e8ca82f0adf1378

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d08dc9696417c4c4649b18110369a1ac1347b001311af6a3d421760573c2dbb3",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-07-25T17:57:31Z",
    "title_canon_sha256": "f2c3e3acd26eb336b331bd2df493615acbf959f3266d29b4de603a4b32d6edb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.19473",
    "kind": "arxiv",
    "version": 1
  }
}