Pith Number

pith:PIAYRC3N

pith:2025:PIAYRC3NQE44GBMMV5O7JNSWDN

not attested not anchored not stored refs pending

Drop-Upcycling: Training Sparse Mixture of Experts with Partial Re-initialization

Jun Suzuki, Kazuki Fujii, Rio Yokota, Taishi Nakamura, Takuya Akiba, Yusuke Oda

arxiv:2502.19261 v2 · 2025-02-26 · cs.CL · cs.AI · 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{PIAYRC3NQE44GBMMV5O7JNSWDN}

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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

4 papers in Pith

Reversible Foundations: Training a 120B Sparse MoE through State-Preserving Scaling

Expert Upcycling: Shifting the Compute-Efficient Frontier of Mixture-of-Experts

Mamoda2.5: Enhancing Unified Multimodal Model with DiT-MoE

Receipt and verification

First computed	2026-07-05T10:31:54.858107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a01888b6d8139c3058caf5df4b6561b77fff0ed111aa3525a8b779c7599dcaf

Aliases

arxiv: 2502.19261 · arxiv_version: 2502.19261v2 · doi: 10.48550/arxiv.2502.19261 · pith_short_12: PIAYRC3NQE44 · pith_short_16: PIAYRC3NQE44GBMM · pith_short_8: PIAYRC3N

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/PIAYRC3NQE44GBMMV5O7JNSWDN \
  | 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: 7a01888b6d8139c3058caf5df4b6561b77fff0ed111aa3525a8b779c7599dcaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8929134f57cccb7ef57721eb90591d3ff5b5535afbe2d57c1f88adad48491b4a",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-02-26T16:06:36Z",
    "title_canon_sha256": "ab8508c702ce42d944b7c90e06c3dc28843e02c944c16c717da09ba6acf75c1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.19261",
    "kind": "arxiv",
    "version": 2
  }
}