Pith Number

pith:KPC3WA6D

pith:2026:KPC3WA6DXKE2MMDVKRFS4RSGAI

not attested not anchored not stored refs pending

REAR: Test-time Preference Realignment through Reward Decomposition

Bo An, Chenfeng Xu, Chenran Li, Fuxiang Zhang, Lang Feng, Masayoshi Tomizuka, Pengcheng Wang, Yi-Chen Li, Yuxin Chen

arxiv:2606.30339 v1 · 2026-06-29 · cs.CL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KPC3WA6DXKE2MMDVKRFS4RSGAI}

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	2026-06-30T02:18:11.009928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53c5bb03c3ba89a63075544b2e4646022d703a5550d0f919ca9d31bc888a9c13

Aliases

arxiv: 2606.30339 · arxiv_version: 2606.30339v1 · doi: 10.48550/arxiv.2606.30339 · pith_short_12: KPC3WA6DXKE2 · pith_short_16: KPC3WA6DXKE2MMDV · pith_short_8: KPC3WA6D

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/KPC3WA6DXKE2MMDVKRFS4RSGAI \
  | 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: 53c5bb03c3ba89a63075544b2e4646022d703a5550d0f919ca9d31bc888a9c13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06f6a8ce05e76c4b443cfe9a5a020c6dedb774488ca7067656c0e44de6c3f569",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-29T14:17:53Z",
    "title_canon_sha256": "6833098c61ffb88bf3a978b2df5ef0fc4d120fb5fd37425139afa8e3695a8b10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.30339",
    "kind": "arxiv",
    "version": 1
  }
}