Pith Number

pith:73I4BLGJ

pith:2025:73I4BLGJTYDPZOV6FETZNVDONK

not attested not anchored not stored refs pending

Reusing Embeddings: Reproducible Reward Model Research in Large Language Model Alignment without GPUs

Hao Sun, Jean-Francois Ton, Mihaela van der Schaar, Yunyi Shen

arxiv:2502.04357 v1 · 2025-02-04 · cs.CL · cs.AI · 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{73I4BLGJTYDPZOV6FETZNVDONK}

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	2026-07-05T10:10:50.255112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fed1c0acc99e06fcbabe292796d46e6aa4edf9cbd16fae10badfbb6e2cfb0d6e

Aliases

arxiv: 2502.04357 · arxiv_version: 2502.04357v1 · doi: 10.48550/arxiv.2502.04357 · pith_short_12: 73I4BLGJTYDP · pith_short_16: 73I4BLGJTYDPZOV6 · pith_short_8: 73I4BLGJ

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/73I4BLGJTYDPZOV6FETZNVDONK \
  | 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: fed1c0acc99e06fcbabe292796d46e6aa4edf9cbd16fae10badfbb6e2cfb0d6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b3f5bda094eee01f16f9bde3a1842e8968d28ba3ec04c26a48fb10b82f71a3e",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-02-04T19:37:35Z",
    "title_canon_sha256": "d9c5f69731c8ae3134149b05210583d198c592f35995cfc0b0728a6ef41ffbfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.04357",
    "kind": "arxiv",
    "version": 1
  }
}