Pith Number

pith:GAMKVTX6

pith:2026:GAMKVTX6ARKPF4ZBCWB7NQCTLT

not attested not anchored not stored refs pending

HMPO: Hybrid Median-length Policy Optimization for Chain-of-Thought Compression

Hongsheng Xin, Hongxu Chen, Huimin Ren, Kaike Zhang, Kun Zhan, Minghui Zheng, Pan Zhou, Shuling Yang, Xiaoyang Qu, Ze Wang, Ziyu Peng

arxiv:2606.01934 v1 · 2026-06-01 · 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{GAMKVTX6ARKPF4ZBCWB7NQCTLT}

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	2026-06-02T02:05:00.944552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3018aacefe0454f2f3211583f6c0535cfea515ad1cf950c90e197d023cda9b5c

Aliases

arxiv: 2606.01934 · arxiv_version: 2606.01934v1 · doi: 10.48550/arxiv.2606.01934 · pith_short_12: GAMKVTX6ARKP · pith_short_16: GAMKVTX6ARKPF4ZB · pith_short_8: GAMKVTX6

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/GAMKVTX6ARKPF4ZBCWB7NQCTLT \
  | 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: 3018aacefe0454f2f3211583f6c0535cfea515ad1cf950c90e197d023cda9b5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1a9341107f383fb15057a7c00d7ff841b9dd6d483275304df9b41fc1c5a8f5d",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-01T09:01:55Z",
    "title_canon_sha256": "4d7d7fbd9f89909d05de743fec973e63c8518103270140dba671b61ebdc22feb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.01934",
    "kind": "arxiv",
    "version": 1
  }
}