Pith Number

pith:I2X47AKF

pith:2025:I2X47AKFPAUELRVXWV6CAZJ6P2

not attested not anchored not stored refs pending

Optimal Transport-Based Token Weighting scheme for Enhanced Preference Optimization

Anxiang Zeng, Guangda Huzhang, Haibo Zhang, Meng Li, Xiting Wang

arxiv:2505.18720 v1 · 2025-05-24 · cs.CL · cs.AI · cs.LG

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\usepackage{pith}
\pithnumber{I2X47AKFPAUELRVXWV6CAZJ6P2}

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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

Revisiting Robustness for LLM Safety Alignment via Selective Geometry Control

OpenVLThinkerV2: A Generalist Multimodal Reasoning Model for Multi-domain Visual Tasks

Receipt and verification

First computed	2026-07-05T11:09:18.540180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46afcf8145782845c6b7b57c20653e7ea8e2226b3691c72a11fb5348f6e89411

Aliases

arxiv: 2505.18720 · arxiv_version: 2505.18720v1 · doi: 10.48550/arxiv.2505.18720 · pith_short_12: I2X47AKFPAUE · pith_short_16: I2X47AKFPAUELRVX · pith_short_8: I2X47AKF

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/I2X47AKFPAUELRVXWV6CAZJ6P2 \
  | 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: 46afcf8145782845c6b7b57c20653e7ea8e2226b3691c72a11fb5348f6e89411

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "748f690e2a7b2c084849735bfd713a7dcaa008dfa3e96fb71019b13c407340f1",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-05-24T14:44:15Z",
    "title_canon_sha256": "0974b4e72e4bacfebe3eb9c86c9c06e5c606e83626807dd419f10bfbdddf01ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.18720",
    "kind": "arxiv",
    "version": 1
  }
}