Pith Number

pith:FQB5Z6HR

pith:2026:FQB5Z6HRZXME6K7FXXTMSSU4S3

not attested not anchored not stored refs pending

ECHO-2: A Large-Scale Distributed Rollout Framework for Cost-Efficient Reinforcement Learning

Chris Tong, Eric Yang, Jiaqi Huang, Jie Xiao, Jingwei Song, Lynn Ai, Meng Chen, Qingnan Ren, Rymon Yu, Shuo Lu, Suli Wang, Tianyu Shi, Wanyi Chen, Xu Wang, Yangshen Deng, Yiqun Duan, Zhisheng Chen, Ziqian Bi

arxiv:2602.02192 v5 · 2026-02-02 · cs.LG · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FQB5Z6HRZXME6K7FXXTMSSU4S3}

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.

Cited by

1 paper in Pith

FAST: A Synergistic Framework of Attention and State-space Models for Spatiotemporal Traffic Prediction

Receipt and verification

First computed	2026-05-27T01:04:55.802988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c03dcf8f1cdd84f2be5bde6c94a9c96ce6247c93fe1b7ee11771e6e02e46fbc

Aliases

arxiv: 2602.02192 · arxiv_version: 2602.02192v5 · doi: 10.48550/arxiv.2602.02192 · pith_short_12: FQB5Z6HRZXME · pith_short_16: FQB5Z6HRZXME6K7F · pith_short_8: FQB5Z6HR

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/FQB5Z6HRZXME6K7FXXTMSSU4S3 \
  | 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: 2c03dcf8f1cdd84f2be5bde6c94a9c96ce6247c93fe1b7ee11771e6e02e46fbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55449a939983d7a51c3055483bb9619dbdedc83c2c214ec6b4638cc201f05743",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-02-02T14:57:53Z",
    "title_canon_sha256": "8c81e1173e2925dfdfa51c6a34f855b46a43982d1bb08abc305144074c523b72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.02192",
    "kind": "arxiv",
    "version": 5
  }
}