Pith Number

pith:3DDC4ATH

pith:2025:3DDC4ATHSX6PEVCYZYOJS6NP4D

not attested not anchored not stored refs pending

Reformulation for Pretraining Data Augmentation

Chenggang Li, Ge Zhang, Ke Shen, Ruijie Zhu, Xintong Hao

arxiv:2502.04235 v2 · 2025-02-06 · 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{3DDC4ATHSX6PEVCYZYOJS6NP4D}

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	2026-07-05T11:04:45.266730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8c62e026795fcf25458ce1c9979afe0ec804f1dca64ab626fbc1dcc48b585e9

Aliases

arxiv: 2502.04235 · arxiv_version: 2502.04235v2 · doi: 10.48550/arxiv.2502.04235 · pith_short_12: 3DDC4ATHSX6P · pith_short_16: 3DDC4ATHSX6PEVCY · pith_short_8: 3DDC4ATH

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/3DDC4ATHSX6PEVCYZYOJS6NP4D \
  | 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: d8c62e026795fcf25458ce1c9979afe0ec804f1dca64ab626fbc1dcc48b585e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73766639dac4e8f32daa8f6273f793eb9a38b7e68a285a4de3e9f9389429b9d3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-02-06T17:19:55Z",
    "title_canon_sha256": "7916f8e48d74a41f60e6f13d29d9d670be8ff0401aef736f949d46a62cc89227"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.04235",
    "kind": "arxiv",
    "version": 2
  }
}