Pith Number

pith:6OHQ7CFN

pith:2020:6OHQ7CFNRVAQJDFCMIF5XTQCB5

not attested not anchored not stored refs pending

Field-Level Crop Type Classification with k Nearest Neighbors: A Baseline for a New Kenya Smallholder Dataset

Catherine Nakalembe, Hannah Kerner, Inbal Becker-Reshef

arxiv:2004.03023 v1 · 2020-04-06 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6OHQ7CFNRVAQJDFCMIF5XTQCB5}

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	2026-07-05T00:53:22.512644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f38f0f88ad8d41048ca2620bdbce020f7ae34da315bf8bc82e069282d28f52bf

Aliases

arxiv: 2004.03023 · arxiv_version: 2004.03023v1 · doi: 10.48550/arxiv.2004.03023 · pith_short_12: 6OHQ7CFNRVAQ · pith_short_16: 6OHQ7CFNRVAQJDFC · pith_short_8: 6OHQ7CFN

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/6OHQ7CFNRVAQJDFCMIF5XTQCB5 \
  | 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: f38f0f88ad8d41048ca2620bdbce020f7ae34da315bf8bc82e069282d28f52bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5510a79e02df29d21ca4674cb97571dfff26d6d838c422e2a8619be63b2df735",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-04-06T22:24:44Z",
    "title_canon_sha256": "752ef4e677fbe55e790d5f334636a7fe1fecae026561e36d7fe26498d047502b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.03023",
    "kind": "arxiv",
    "version": 1
  }
}