Pith Number

pith:GGDGG2D3

pith:2026:GGDGG2D3X6DN2RSL7OLBZFKBEI

not attested not anchored not stored refs pending

Hierarchical Residual Policy Optimization for Generative Recommendations

Fukang Yang, Guolei Zeng, Jingtong Gao, Kaifeng Guo, Peng Jiang, Qingpeng Cai, Xiangyu Zhao, Yiming Yang, Yukang Liang

arxiv:2608.00750 v1 · 2026-08-01 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GGDGG2D3X6DN2RSL7OLBZFKBEI}

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	2026-08-04T01:54:52.279852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

318663687bbf86dd464bfb961c9541222aba9b57fbcfde412c5044392681b19c

Aliases

arxiv: 2608.00750 · arxiv_version: 2608.00750v1 · doi: 10.48550/arxiv.2608.00750 · pith_short_12: GGDGG2D3X6DN · pith_short_16: GGDGG2D3X6DN2RSL · pith_short_8: GGDGG2D3

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/GGDGG2D3X6DN2RSL7OLBZFKBEI \
  | 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: 318663687bbf86dd464bfb961c9541222aba9b57fbcfde412c5044392681b19c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "823d6611dc32c6f6b2c98388c4db991c76890b2276a333450ea5ca6266811892",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-08-01T16:33:15Z",
    "title_canon_sha256": "6b89105cb1c62f4894fb1bb13910f97be489323db2012128abcfe4ffc05f0bea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.00750",
    "kind": "arxiv",
    "version": 1
  }
}