Pith Number

pith:IAMCMCRS

pith:2026:IAMCMCRSYXJT7J2E57J6ETXFGQ

not attested not anchored not stored refs pending

Representation Collapse in Sequential Post-Training of Large Language Models

Chenxi Lin, Hao Wang, Jiarui Wu, Mingyu Chen, Rui Zhang, Wei Sun, Xiaoran Xu, Yichen Liu, Yutong Zhou, Yuxin Yang

arxiv:2605.30524 v1 · 2026-05-28 · 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{IAMCMCRSYXJT7J2E57J6ETXFGQ}

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	2026-06-01T01:02:59.098072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4018260a32c5d33fa744efd3e24ee534259bc17053c30b732dab768053e44660

Aliases

arxiv: 2605.30524 · arxiv_version: 2605.30524v1 · doi: 10.48550/arxiv.2605.30524 · pith_short_12: IAMCMCRSYXJT · pith_short_16: IAMCMCRSYXJT7J2E · pith_short_8: IAMCMCRS

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/IAMCMCRSYXJT7J2E57J6ETXFGQ \
  | 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: 4018260a32c5d33fa744efd3e24ee534259bc17053c30b732dab768053e44660

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b133ba7a0ae49dd2d3de86d4165002c6186e207814d4e556ed4c5f38adc60859",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-28T19:59:17Z",
    "title_canon_sha256": "0a1a9c849fde952ec64b54f9b69970830ac64051c303047c554f78be49e18411"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.30524",
    "kind": "arxiv",
    "version": 1
  }
}