Pith Number

pith:IUO2D37C

pith:2026:IUO2D37CHJK57UHKMP5LSFFOEP

not attested not anchored not stored refs pending

SCAPE: Accurate and Efficient LLM Training with Extreme Sparse Communication

Haotian Xie, Junlin Chen, Mingkai Zheng, Zhao Zhang

arxiv:2607.01678 v1 · 2026-07-02 · cs.LG · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IUO2D37CHJK57UHKMP5LSFFOEP}

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	2026-07-03T01:17:26.554885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

451da1efe23a55dfd0ea63fab914ae23d5fece5866df24be4cdc5a2b56f12740

Aliases

arxiv: 2607.01678 · arxiv_version: 2607.01678v1 · doi: 10.48550/arxiv.2607.01678 · pith_short_12: IUO2D37CHJK5 · pith_short_16: IUO2D37CHJK57UHK · pith_short_8: IUO2D37C

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/IUO2D37CHJK57UHKMP5LSFFOEP \
  | 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: 451da1efe23a55dfd0ea63fab914ae23d5fece5866df24be4cdc5a2b56f12740

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39b62244bd74cebc5311721e075650510ca74534ee76e0fca0f5272eaaa81469",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-02T04:10:42Z",
    "title_canon_sha256": "b34b5a91c0656b4def634b59e156d4e419efd07d5a1c0d87ed7a3442fa6bddd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.01678",
    "kind": "arxiv",
    "version": 1
  }
}