Pith Number

pith:EBG36OE2

pith:2026:EBG36OE2G4KEDL4YFPCKOLPLTL

not attested not anchored not stored refs pending

Meta-Learned Reward Shaping for Reinforcement Learning from Human Feedback

Yunpeng Chu

arxiv:2607.26094 v1 · 2026-07-28 · cs.LG · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EBG36OE2G4KEDL4YFPCKOLPLTL}

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	2026-07-30T00:08:20.269544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

204dbf389a371441af982bc4a72deb9ace432495a8bc78039dcd7ad1e0e7b82c

Aliases

arxiv: 2607.26094 · arxiv_version: 2607.26094v1 · doi: 10.48550/arxiv.2607.26094 · pith_short_12: EBG36OE2G4KE · pith_short_16: EBG36OE2G4KEDL4Y · pith_short_8: EBG36OE2

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/EBG36OE2G4KEDL4YFPCKOLPLTL \
  | 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: 204dbf389a371441af982bc4a72deb9ace432495a8bc78039dcd7ad1e0e7b82c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f84db8fca84d4261cc9ae497fd82ebf6b04e1ed6c98f18e0a927c14c000af03",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-28T02:09:26Z",
    "title_canon_sha256": "f9c23e54e1019ef53cb95702c9fe0d9c766a0ee5a34db211b1cbf7c986c4fac2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.26094",
    "kind": "arxiv",
    "version": 1
  }
}