Pith Number

pith:PLKQWJ55

pith:2025:PLKQWJ5546YAXJUQGBCIIZNYVM

not attested not anchored not stored refs pending

On the Robustness of Reward Models for Language Model Alignment

Aman Gupta, Eunki Kim, Guijin Son, James Thorne, Jiwoo Hong, Noah Lee, Shao Tang, WooJin Chung

arxiv:2505.07271 v1 · 2025-05-12 · cs.CL · cs.AI · cs.LG

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

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\usepackage{pith}
\pithnumber{PLKQWJ5546YAXJUQGBCIIZNYVM}

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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

GRPO-TTA: Test-Time Visual Tuning for Vision-Language Models via GRPO-Driven Reinforcement Learning

Receipt and verification

First computed	2026-07-05T11:01:45.262059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ad50b27bde7b00ba69030448465b8ab05ede7456ec10bf4b46c20e066ee2b6a

Aliases

arxiv: 2505.07271 · arxiv_version: 2505.07271v1 · doi: 10.48550/arxiv.2505.07271 · pith_short_12: PLKQWJ5546YA · pith_short_16: PLKQWJ5546YAXJUQ · pith_short_8: PLKQWJ55

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/PLKQWJ5546YAXJUQGBCIIZNYVM \
  | 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: 7ad50b27bde7b00ba69030448465b8ab05ede7456ec10bf4b46c20e066ee2b6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abb4211ddf92a00e9aba74c3f611c8c60b7339f20eadfa75423b566910a21631",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-05-12T06:48:26Z",
    "title_canon_sha256": "999d967108c12adf82ffc57b6c4b3f9f7a8c1327b1029bb07d65d67989c31c6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.07271",
    "kind": "arxiv",
    "version": 1
  }
}