Pith Number

pith:EAPI4YYQ

pith:2025:EAPI4YYQ6A5M6MLVPACKIUCXG6

not attested not anchored not stored refs pending

Breaking the Mirror: Activation-Based Mitigation of Self-Preference in LLM Evaluators

Dani Roytburg, Jou Barzdukas, Matthew Bozoukov, Matthew Nguyen, Narmeen Oozeer, Simon Fu

arxiv:2509.03647 v2 · 2025-09-03 · cs.CL · cs.AI · cs.LG

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EAPI4YYQ6A5M6MLVPACKIUCXG6}

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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

1 paper in Pith

Self-Preference Bias in Rubric-Based Evaluation of Large Language Models

Receipt and verification

First computed	2026-06-24T00:14:20.787800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

201e8e6310f03acf31757804a45057379ee8a2564811d3bb4ef57cc1dda20eb1

Aliases

arxiv: 2509.03647 · arxiv_version: 2509.03647v2 · doi: 10.48550/arxiv.2509.03647 · pith_short_12: EAPI4YYQ6A5M · pith_short_16: EAPI4YYQ6A5M6MLV · pith_short_8: EAPI4YYQ

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/EAPI4YYQ6A5M6MLVPACKIUCXG6 \
  | 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: 201e8e6310f03acf31757804a45057379ee8a2564811d3bb4ef57cc1dda20eb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4056701f5bf2b576248a14d2005e111764536c6380c4b770c42940ab57d2da25",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-09-03T18:52:55Z",
    "title_canon_sha256": "4a0662bf752b07c47f5ac0c8fe1c0f4ed1a51121fb2ca643cc71a4cd8651b4c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.03647",
    "kind": "arxiv",
    "version": 2
  }
}