Pith Number

pith:HORDPZCM

pith:2024:HORDPZCM7SHXUJ5XQN3I4VCMJP

not attested not anchored not stored refs pending

Understanding Reference Policies in Direct Preference Optimization

Arman Cohan, Pengfei Liu, Yixin Liu

arxiv:2407.13709 v2 · 2024-07-18 · 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{HORDPZCM7SHXUJ5XQN3I4VCMJP}

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.

Cited by

1 paper in Pith

Failure Modes of Maximum Entropy RLHF

Receipt and verification

First computed	2026-07-05T08:58:16.399024Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ba237e44cfc8f7a27b783768e544c4be9eb181aafb73b132a3eae23d606eb43

Aliases

arxiv: 2407.13709 · arxiv_version: 2407.13709v2 · doi: 10.48550/arxiv.2407.13709 · pith_short_12: HORDPZCM7SHX · pith_short_16: HORDPZCM7SHXUJ5X · pith_short_8: HORDPZCM

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/HORDPZCM7SHXUJ5XQN3I4VCMJP \
  | 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: 3ba237e44cfc8f7a27b783768e544c4be9eb181aafb73b132a3eae23d606eb43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8022f9380b4d5955594f2550c4b81a4cff2a5a2802a28c7835f0aa4c12dba7fd",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2024-07-18T17:08:10Z",
    "title_canon_sha256": "b6293ff1914843898568a9b9985865f963f9de760a1c3a853047f7043375989f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.13709",
    "kind": "arxiv",
    "version": 2
  }
}