Pith Number

pith:NFVABGHW

pith:2026:NFVABGHWFZVMMTIVOI6LWA7FT4

not attested not anchored not stored refs pending

LEMUR: Learning to Align with Multi-Objective Reinforcement Learning from Preference Feedback

Angelo Cangelosi, Bei Peng, Manith Adikari, Samuele Vinanzi

arxiv:2607.29559 v1 · 2026-07-31 · cs.AI · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NFVABGHWFZVMMTIVOI6LWA7FT4}

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	2026-08-03T01:38:31.590825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

696a0098f62e6ac64d15723cbb03e59f181ff64262867824d246400db61fa8b0

Aliases

arxiv: 2607.29559 · arxiv_version: 2607.29559v1 · doi: 10.48550/arxiv.2607.29559 · pith_short_12: NFVABGHWFZVM · pith_short_16: NFVABGHWFZVMMTIV · pith_short_8: NFVABGHW

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/NFVABGHWFZVMMTIVOI6LWA7FT4 \
  | 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: 696a0098f62e6ac64d15723cbb03e59f181ff64262867824d246400db61fa8b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8e163a4dd4e29fefe460adbbea4827bfb53976ce3150f54c5c5aa8bb5ff9a03",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-31T15:50:29Z",
    "title_canon_sha256": "8f9f03e46d357efc6b66e230007ccf35b2a43144502d2976d5c731c78e2ad30e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.29559",
    "kind": "arxiv",
    "version": 1
  }
}