Pith Number

pith:BM7IK3DA

pith:2026:BM7IK3DAQY66C77IXTKWENVCDY

not attested not anchored not stored refs pending

The Pitfall of Scaling Up: Uncovering and Mitigating Popularity Bias Amplification in Scaling Transformer-based Recommenders

Can Wang, Chongming Gao, Jiawei Chen, Sheng Zhou, Weiqin Yang, Xiang Wang, Yue Pan

arxiv:2606.21911 v1 · 2026-06-20 · cs.IR · 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{BM7IK3DAQY66C77IXTKWENVCDY}

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	2026-06-23T02:13:02.660727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b3e856c60863de17fe8bcd56236a21e38b3e8f69ca1d661191501f2c6f3f760

Aliases

arxiv: 2606.21911 · arxiv_version: 2606.21911v1 · doi: 10.48550/arxiv.2606.21911 · pith_short_12: BM7IK3DAQY66 · pith_short_16: BM7IK3DAQY66C77I · pith_short_8: BM7IK3DA

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/BM7IK3DAQY66C77IXTKWENVCDY \
  | 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: 0b3e856c60863de17fe8bcd56236a21e38b3e8f69ca1d661191501f2c6f3f760

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c229d6fe19cf68eefbfa9ae566d937fd0be08afcc677a6d6a41ff92a1e70a807",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-06-20T07:13:49Z",
    "title_canon_sha256": "cd01c6cce81a227d7a6941de036f862f9c3dca6c8f219cd71c3ebab6d1f6ea78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.21911",
    "kind": "arxiv",
    "version": 1
  }
}