Pith Number

pith:5BBE4O53

pith:2026:5BBE4O53JQRWBK7WX6TH6PY2W2

not attested not anchored not stored refs pending

Spurious Rewards Paradox: Mechanistically Understanding How RLVR Activates Memorization Shortcuts in LLMs

Chenyang Lyu, Guanhua Chen, Jiahui Geng, Lecheng Yan, Longyue Wang, Qing Li, Ruizhe Li, Wenxi Li

arxiv:2601.11061 v2 · 2026-01-16 · cs.LG · cs.CL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5BBE4O53JQRWBK7WX6TH6PY2W2}

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.

Cited by

2 papers in Pith

VeriGate: Verifier-Gated Step-Level Supervision for GRPO

Navigating by Old Maps: The Pitfalls of Static Mechanistic Localization in LLM Post-Training

Receipt and verification

First computed	2026-06-26T00:15:24.645785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8424e3bbb4c2360abf6bfa67f3f1ab69279d1e6079ab9db1aff4f0de1b9656a

Aliases

arxiv: 2601.11061 · arxiv_version: 2601.11061v2 · doi: 10.48550/arxiv.2601.11061 · pith_short_12: 5BBE4O53JQRW · pith_short_16: 5BBE4O53JQRWBK7W · pith_short_8: 5BBE4O53

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/5BBE4O53JQRWBK7WX6TH6PY2W2 \
  | 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: e8424e3bbb4c2360abf6bfa67f3f1ab69279d1e6079ab9db1aff4f0de1b9656a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7008ecce85a771cffd62bf202af15c5fc12a106335a90dfab05a9a4ade2d2db",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-01-16T07:55:38Z",
    "title_canon_sha256": "6ecccccaff6e769df95d50aed992c8a7d2f93fcf0eceab190748f9b7cc14dc16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.11061",
    "kind": "arxiv",
    "version": 2
  }
}