Pith Number

pith:FWUQPLDD

pith:2026:FWUQPLDDNI5LTLC5XKC7JD6XJZ

not attested not anchored not stored refs pending

SDO: Structure-Aware Data Organization for Efficient LLM Post-Training

Baili Xiao, Hai Wang, Jinliang Gao, Ning Yang, Pin Lyu

arxiv:2607.27273 v1 · 2026-07-29 · 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{FWUQPLDDNI5LTLC5XKC7JD6XJZ}

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	2026-07-31T00:10:28.500725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

2da907ac636a3ab9ac5dba85f48fd74e405a03b01bfe85c0b7fc9b12739a1131

Aliases

arxiv: 2607.27273 · arxiv_version: 2607.27273v1 · doi: 10.48550/arxiv.2607.27273 · pith_short_12: FWUQPLDDNI5L · pith_short_16: FWUQPLDDNI5LTLC5 · pith_short_8: FWUQPLDD

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/FWUQPLDDNI5LTLC5XKC7JD6XJZ \
  | 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: 2da907ac636a3ab9ac5dba85f48fd74e405a03b01bfe85c0b7fc9b12739a1131

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3792b48ea57fd11f335cd29d6be5685dca53a93c461ec80221ffc3eae854d0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-29T12:17:18Z",
    "title_canon_sha256": "5caa0984e8975daa2b50ba9ca19e00d448b4a6f8dae78ef7f8111e24bdf8d724"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.27273",
    "kind": "arxiv",
    "version": 1
  }
}