Pith Number

pith:V3KE6ABM

pith:2026:V3KE6ABM7MU2WKVB6XSBV4T4ZF

not attested not anchored not stored refs pending

A Data-Efficient Path to Multilingual LLMs: Language Expansion via Post-training PARAM$\Delta$ Integration into Upcycled MoE

Baosong Yang, Hao-Ran Wei, Hao Zhou, Jiajun Chen, Linjuan Wu, Shuaijie She, Shujian Huang, Tianhao Li, Zhijun Wang

arxiv:2605.18083 v1 · 2026-05-18 · 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{V3KE6ABM7MU2WKVB6XSBV4T4ZF}

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	2026-05-20T00:05:15.189583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aed44f002cfb29ab2aa1f5e41af27cc95c377a70514ea34497ad7223ad3b79f4

Aliases

arxiv: 2605.18083 · arxiv_version: 2605.18083v1 · doi: 10.48550/arxiv.2605.18083 · pith_short_12: V3KE6ABM7MU2 · pith_short_16: V3KE6ABM7MU2WKVB · pith_short_8: V3KE6ABM

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/V3KE6ABM7MU2WKVB6XSBV4T4ZF \
  | 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: aed44f002cfb29ab2aa1f5e41af27cc95c377a70514ea34497ad7223ad3b79f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e469e9c2647a03f497d4d8b626ab89f9db2cb2f07118fcb859a085289b93344",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-18T08:59:08Z",
    "title_canon_sha256": "890d7396d492d64ee7f0a2cc1597605b350fc8e72e0bbfe89891dd743f8461c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18083",
    "kind": "arxiv",
    "version": 1
  }
}