Pith Number

pith:HCD6DJZZ

pith:2026:HCD6DJZZDEZKCHCNQCAIO5A47T

not attested not anchored not stored refs pending

Detecting Sensitive Personal Information in Japanese Pre-Training Corpora for Large Language Models

Daisuke Kawahara, Rei Minamoto, Yusuke Oda

arxiv:2606.12114 v1 · 2026-06-10 · 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{HCD6DJZZDEZKCHCNQCAIO5A47T}

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	2026-06-11T01:10:49.185384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3887e1a7391932a11c4d808087741cfcee208f42852d03a39b4766d150eba17d

Aliases

arxiv: 2606.12114 · arxiv_version: 2606.12114v1 · doi: 10.48550/arxiv.2606.12114 · pith_short_12: HCD6DJZZDEZK · pith_short_16: HCD6DJZZDEZKCHCN · pith_short_8: HCD6DJZZ

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/HCD6DJZZDEZKCHCNQCAIO5A47T \
  | 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: 3887e1a7391932a11c4d808087741cfcee208f42852d03a39b4766d150eba17d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0da3d110fd74c571f550b0fa29f3a89c2ec565be4eb1e0b8ff294bcc948a39a1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-10T14:07:41Z",
    "title_canon_sha256": "83c6c4ec53dbcf125c3716f3c83fd35439f44622c362d1bd52688bbfb46ff11d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.12114",
    "kind": "arxiv",
    "version": 1
  }
}