Pith Number

pith:4REG2G74

pith:2026:4REG2G74RDVJYSBFJVP3OGSS3T

not attested not anchored not stored refs pending

Technological Fitness and Regional Growth in Japan

Hiroyasu Inoue, Rintaro Karashima

arxiv:2606.07202 v1 · 2026-06-05 · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4REG2G74RDVJYSBFJVP3OGSS3T}

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	2026-06-08T01:04:52.296721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4486d1bfc88ea9c48254d5fb71a52dccdb9741a9a957677dba591bd49360afe

Aliases

arxiv: 2606.07202 · arxiv_version: 2606.07202v1 · doi: 10.48550/arxiv.2606.07202 · pith_short_12: 4REG2G74RDVJ · pith_short_16: 4REG2G74RDVJYSBF · pith_short_8: 4REG2G74

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/4REG2G74RDVJYSBFJVP3OGSS3T \
  | 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: e4486d1bfc88ea9c48254d5fb71a52dccdb9741a9a957677dba591bd49360afe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8495d6ebf917d05e27d217e88adbb96753e05eb0e8535e425eaa20d7782905b0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2026-06-05T12:10:22Z",
    "title_canon_sha256": "a572d025f0f8ab0f7c4e32546e1de6c291aeadb8c96c05b5a99feeb541174b6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.07202",
    "kind": "arxiv",
    "version": 1
  }
}