Pith Number

pith:NZ7RDKPL

pith:2026:NZ7RDKPLYL6MDS5VAOAPOZKSBW

not attested not anchored not stored refs pending

Spark: Strategic Policy-Aware Exploration via Dynamic Branching for Long-Horizon Agentic Learning

Changpeng Yang, Jianhua Tao, Jinyang Wu, Shuai Zhang, Shuo Yang, Yuhao Shen, Zhengqi Wen

arxiv:2601.20209 v2 · 2026-01-28 · 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{NZ7RDKPLYL6MDS5VAOAPOZKSBW}

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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

3 papers in Pith

Maestro: Reinforcement Learning to Orchestrate Hierarchical Model-Skill Ensembles

FACT-E: Causality-Inspired Evaluation for Trustworthy Chain-of-Thought Reasoning

StreamMeCo: Long-Term Agent Memory Compression for Efficient Streaming Video Understanding

Receipt and verification

First computed	2026-06-23T02:12:46.188515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e7f11a9ebc2fcc1cbb50380f765520dab39445ab91e48121fe95061d2df6c02

Aliases

arxiv: 2601.20209 · arxiv_version: 2601.20209v2 · doi: 10.48550/arxiv.2601.20209 · pith_short_12: NZ7RDKPLYL6M · pith_short_16: NZ7RDKPLYL6MDS5V · pith_short_8: NZ7RDKPL

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/NZ7RDKPLYL6MDS5VAOAPOZKSBW \
  | 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: 6e7f11a9ebc2fcc1cbb50380f765520dab39445ab91e48121fe95061d2df6c02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "402007544d82d119fcebbe7ed40b374d1834b4e89a08781abcfea65634877943",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-01-28T03:15:34Z",
    "title_canon_sha256": "94568ca2741144c459827453d3052d2e8b41ef97f7d643d18aee4d7378588089"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.20209",
    "kind": "arxiv",
    "version": 2
  }
}