Pith Number

pith:TCWOBLIT

pith:2026:TCWOBLITA25TFI24X2VKMAI4PF

not attested not anchored not stored refs pending

Directional Alignment Mitigates Reward Hacking in Reinforcement Learning for Language Models

Christos Thrampoulidis, Jiaji Huang, Kaan Ozkara, Wenlong Deng, Xiaoxiao Li, Youngsuk Park, Yushu Li

arxiv:2605.25189 v1 · 2026-05-24 · 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{TCWOBLITA25TFI24X2VKMAI4PF}

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	2026-05-26T02:04:22.210309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98ace0ad1306bb32a35cbeaaa6011c797670b40649cf50a1124c1c040b9bfdab

Aliases

arxiv: 2605.25189 · arxiv_version: 2605.25189v1 · doi: 10.48550/arxiv.2605.25189 · pith_short_12: TCWOBLITA25T · pith_short_16: TCWOBLITA25TFI24 · pith_short_8: TCWOBLIT

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/TCWOBLITA25TFI24X2VKMAI4PF \
  | 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: 98ace0ad1306bb32a35cbeaaa6011c797670b40649cf50a1124c1c040b9bfdab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04d551c524c5ba4948882d22c3eb5e45e46cbc7c80740015d42a9879fa91a743",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-24T17:34:34Z",
    "title_canon_sha256": "681c02a1c675c70553e2e62842aa969082fbd820d5cae92e48cc67c732294bb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.25189",
    "kind": "arxiv",
    "version": 1
  }
}