Pith Number

pith:2XXFGW64

pith:2015:2XXFGW644HPJBDGTXK6MA74LOJ

not attested not anchored not stored refs pending

Regional Development Classification Model using Decision Tree Approach

Edi Winarko, Tb. Ai Munandar

arxiv:1505.05321 v1 · 2015-05-20 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2XXFGW644HPJBDGTXK6MA74LOJ}

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	2026-05-18T02:03:56.862238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5ee535bdce1de908cd3babcc07f8b72422a4c9f819a267aa0bfef64dcb8288f

Aliases

arxiv: 1505.05321 · arxiv_version: 1505.05321v1 · doi: 10.48550/arxiv.1505.05321 · pith_short_12: 2XXFGW644HPJ · pith_short_16: 2XXFGW644HPJBDGT · pith_short_8: 2XXFGW64

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/2XXFGW644HPJBDGTXK6MA74LOJ \
  | 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: d5ee535bdce1de908cd3babcc07f8b72422a4c9f819a267aa0bfef64dcb8288f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a980c93552bae2da573fe7a309bacfeaf8f8124107532cd6e4f1b1324e8904e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2015-05-20T11:16:32Z",
    "title_canon_sha256": "e7471032287f91c8cf23c8a0cdb0cda0c81d1cf204470479191adf5638044d92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.05321",
    "kind": "arxiv",
    "version": 1
  }
}