Pith Number

pith:2FY3WJHV

pith:2026:2FY3WJHVQRWJCDHEEAA5F7PO56

not attested not anchored not stored refs pending

When Does Generating More Help? Disentangling Fixed-Source Synthesis from Source Expansion in Synthetic Data Scaling

Jian Tong, Qipeng Guo, Xu Guo, Zhihui Lu

arxiv:2607.01727 v1 · 2026-07-02 · 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{2FY3WJHVQRWJCDHEEAA5F7PO56}

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	2026-07-03T01:17:27.938091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d171bb24f5846c910ce42001d2fdeeef9e7f5c42284f102e16b149e5c369cd91

Aliases

arxiv: 2607.01727 · arxiv_version: 2607.01727v1 · doi: 10.48550/arxiv.2607.01727 · pith_short_12: 2FY3WJHVQRWJ · pith_short_16: 2FY3WJHVQRWJCDHE · pith_short_8: 2FY3WJHV

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/2FY3WJHVQRWJCDHEEAA5F7PO56 \
  | 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: d171bb24f5846c910ce42001d2fdeeef9e7f5c42284f102e16b149e5c369cd91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eef324786ef2c216a6b1227422c7f4ffcc70653f270f56f010e5dc91cc6bc87f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-02T05:31:36Z",
    "title_canon_sha256": "e1ecd10ab86a6384f9357888f00383ec024f5411f68fe9ace4178e1a93bd00e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.01727",
    "kind": "arxiv",
    "version": 1
  }
}