pith. sign in
Pith Number

pith:SDP7JKWC

pith:2015:SDP7JKWC3LGJGQDG4476CRFOE7
not attested not anchored not stored refs pending

Worldwide clustering of the corruption perception

Ladislav Kristoufek, Michal Paulus

arxiv:1502.00104 v1 · 2015-01-31 · q-fin.EC · physics.data-an · q-fin.GN

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{SDP7JKWC3LGJGQDG4476CRFOE7}

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 2026-05-18T02:25:33.694671Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

90dff4aac2dacc934066e73fe144ae27f6240d2cfdc501bc814836adc2b651d3

Aliases

arxiv: 1502.00104 · arxiv_version: 1502.00104v1 · doi: 10.48550/arxiv.1502.00104 · pith_short_12: SDP7JKWC3LGJ · pith_short_16: SDP7JKWC3LGJGQDG · pith_short_8: SDP7JKWC
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/SDP7JKWC3LGJGQDG4476CRFOE7 \
  | 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: 90dff4aac2dacc934066e73fe144ae27f6240d2cfdc501bc814836adc2b651d3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "a1da5a1676e406bcb12d15677727a1fba1b4cf4d7e36b4ec8a95a4de2d6c3949",
    "cross_cats_sorted": [
      "physics.data-an",
      "q-fin.GN"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "q-fin.EC",
    "submitted_at": "2015-01-31T13:29:34Z",
    "title_canon_sha256": "e96397ade231379ed84984ee9dfdc4d906b8a19e3b984455890fafca5645b362"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00104",
    "kind": "arxiv",
    "version": 1
  }
}