Pith Number

pith:B4DVJNZA

pith:2024:B4DVJNZAQJAZTVLWSMDPSEOLBP

not attested not anchored not stored refs pending

Comparative Analysis of Machine Learning-Based Imputation Techniques for Air Quality Datasets with High Missing Data Rates

Alan F. Smeaton, David J. O'Connor, Mingming Liu, Noel E. O'Connor, Sen Yan, Xiaojun Wang

arxiv:2412.13966 v2 · 2024-12-18 · cs.LG · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B4DVJNZAQJAZTVLWSMDPSEOLBP}

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	2026-07-05T09:54:06.871204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f0754b720824199d5769306f911cb0bfc0747dc81bae593afe28e9e5c5ac039

Aliases

arxiv: 2412.13966 · arxiv_version: 2412.13966v2 · doi: 10.48550/arxiv.2412.13966 · pith_short_12: B4DVJNZAQJAZ · pith_short_16: B4DVJNZAQJAZTVLW · pith_short_8: B4DVJNZA

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/B4DVJNZAQJAZTVLWSMDPSEOLBP \
  | 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: 0f0754b720824199d5769306f911cb0bfc0747dc81bae593afe28e9e5c5ac039

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4267677c7da9f2f793dac585d09fca4470ea14dd6ddd2d00a1ef542a24b36771",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-12-18T15:45:08Z",
    "title_canon_sha256": "a8b8b10107ab9bf9c4c8da5003e0bfe7c8c29e6b3db6ca1514ec2fff2b982322"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.13966",
    "kind": "arxiv",
    "version": 2
  }
}