Pith Number

pith:Z3XVRABF

pith:2022:Z3XVRABFXCDJR3TPSLI32N7TEU

not attested not anchored not stored refs pending

A machine learning model to identify corruption in M\'exico's public procurement contracts

Andrea Falc\'on-Cort\'es, Andr\'es Aldana, Hern\'an Larralde

arxiv:2211.01478 v2 · 2022-10-25 · cs.CY · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z3XVRABFXCDJR3TPSLI32N7TEU}

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.

Cited by

1 paper in Pith

A Cascaded Unsupervised-Supervised NLP Pipeline for Detecting Accusatory Language in Public Procurement

Receipt and verification

First computed	2026-07-05T05:25:31.478658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ceef588025b88698ee6f92d1bd37f3253c3413a0b0a8eb88b4c917e67839063d

Aliases

arxiv: 2211.01478 · arxiv_version: 2211.01478v2 · doi: 10.48550/arxiv.2211.01478 · pith_short_12: Z3XVRABFXCDJ · pith_short_16: Z3XVRABFXCDJR3TP · pith_short_8: Z3XVRABF

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/Z3XVRABFXCDJR3TPSLI32N7TEU \
  | 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: ceef588025b88698ee6f92d1bd37f3253c3413a0b0a8eb88b4c917e67839063d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26e68b92dcb7a0d89208f2a0249ff49d2737ecf0f91978ea9809fcc452487e6c",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2022-10-25T01:22:41Z",
    "title_canon_sha256": "ae6b789f3ccba76632dc5bd38c4dc9507ef8650f980a71298ca8e1a79d4afe8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.01478",
    "kind": "arxiv",
    "version": 2
  }
}