Pith Number

pith:22A2GXQD

pith:2026:22A2GXQDAIZK6PQBG5ITGIDVYI

not attested not anchored not stored refs pending

Understanding and Exploiting Weight Update Sparsity for Communication-Efficient Distributed RL

Erfan Miahi, Eugene Belilovsky

arxiv:2602.03839 v2 · 2026-02-03 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{22A2GXQDAIZK6PQBG5ITGIDVYI}

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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

2 papers in Pith

AstraFlow: Dataflow-Oriented Reinforcement Learning for Agentic LLMs

SparseRL-Sync: Lossless Weight Synchronization with ~100x Less Communication

Receipt and verification

First computed	2026-05-20T02:05:40.248082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d681a35e030232af3e013751332075c20a58e3ea480e2af4d2858c02ab1baabe

Aliases

arxiv: 2602.03839 · arxiv_version: 2602.03839v2 · doi: 10.48550/arxiv.2602.03839 · pith_short_12: 22A2GXQDAIZK · pith_short_16: 22A2GXQDAIZK6PQB · pith_short_8: 22A2GXQD

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/22A2GXQDAIZK6PQBG5ITGIDVYI \
  | 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: d681a35e030232af3e013751332075c20a58e3ea480e2af4d2858c02ab1baabe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c16bad798a4a1c8645bdeaaca7e7d37f402d7210c093e114ba2cabdfa12235c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-02-03T18:56:48Z",
    "title_canon_sha256": "4c4d8c2ab8108fc12ec7a228cd954361d99e1a9a2ffa7930cf62ddc7f5e1b0a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.03839",
    "kind": "arxiv",
    "version": 2
  }
}