Pith Number

pith:V6EKFS4Y

pith:2024:V6EKFS4YSW3TOBUIOP6LFROA63

not attested not anchored not stored refs pending

COPR: Continual Human Preference Learning via Optimal Policy Regularization

Bin Liang, Han Zhang, Hui Wang, Kam-Fai Wong, Lin Gui, Ruifeng Xu, Yehong Zhang, Yuanzhao Zhai, Yue Yu, Yulan He, Yu Lei

arxiv:2402.14228 v3 · 2024-02-22 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V6EKFS4YSW3TOBUIOP6LFROA63}

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	2026-07-05T09:52:37.597991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af88a2cb9895b737068873fcb2c5c0f6f51708b2c3243d0f1e544c2aeeeb1f1f

Aliases

arxiv: 2402.14228 · arxiv_version: 2402.14228v3 · doi: 10.48550/arxiv.2402.14228 · pith_short_12: V6EKFS4YSW3T · pith_short_16: V6EKFS4YSW3TOBUI · pith_short_8: V6EKFS4Y

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/V6EKFS4YSW3TOBUIOP6LFROA63 \
  | 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: af88a2cb9895b737068873fcb2c5c0f6f51708b2c3243d0f1e544c2aeeeb1f1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c527976e229f2f30c6f402eb5c61e9978aad256bd092f789d544f1beb6f1ebc",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-02-22T02:20:08Z",
    "title_canon_sha256": "ecd340bd30381f441a61f7e0a0c8f7b5069792cde48fa87a4fe62edcb0f76868"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.14228",
    "kind": "arxiv",
    "version": 3
  }
}