Pith Number

pith:LXOSLF2H

pith:2026:LXOSLF2HZHIJ6KFO445NKPKONJ

not attested not anchored not stored refs pending

SpecFormer: Mitigating Embedding and Attention Collapse via Spectral-Aware Transformer for Recommendation

Can Wang, Hao Zhang, Jiahao Wang, Jiawei Chen, Jinxin Hu, Xiaoyi Zeng, Yi Xu, Yu Cui, Yu Zhang

arxiv:2607.24025 v1 · 2026-07-27 · 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{LXOSLF2HZHIJ6KFO445NKPKONJ}

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	2026-07-28T01:23:41.715523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ddd259747c9d09f28aee73ad53d4e6a7416f2847e863c35d0c6b6413be8775c

Aliases

arxiv: 2607.24025 · arxiv_version: 2607.24025v1 · doi: 10.48550/arxiv.2607.24025 · pith_short_12: LXOSLF2HZHIJ · pith_short_16: LXOSLF2HZHIJ6KFO · pith_short_8: LXOSLF2H

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/LXOSLF2HZHIJ6KFO445NKPKONJ \
  | 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: 5ddd259747c9d09f28aee73ad53d4e6a7416f2847e863c35d0c6b6413be8775c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eeccf19068b79e6af264f352668069089750cb968d42315e918c92fa6ac2f452",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-07-27T05:53:00Z",
    "title_canon_sha256": "219005735b97fc147906121c525aec3f1f5ecac9155cdefb1f2477698bb0864b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.24025",
    "kind": "arxiv",
    "version": 1
  }
}