Pith Number

pith:UL5NLDVF

pith:2022:UL5NLDVFS37Z4JRD5NXMDVXFUA

not attested not anchored not stored refs pending

A Framework for Constructing Machine Learning Models with Feature Set Optimisation for Evapotranspiration Partitioning

Adam Stapleton, Elke Eichelmann, Mark Roantree

arxiv:2204.14142 v1 · 2022-04-29 · 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{UL5NLDVFS37Z4JRD5NXMDVXFUA}

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	2026-07-05T04:18:57.971386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2fad58ea596ff9e2623eb6ec1d6e5a020d9cff9174879b2381b3636e75aadc4

Aliases

arxiv: 2204.14142 · arxiv_version: 2204.14142v1 · doi: 10.48550/arxiv.2204.14142 · pith_short_12: UL5NLDVFS37Z · pith_short_16: UL5NLDVFS37Z4JRD · pith_short_8: UL5NLDVF

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/UL5NLDVFS37Z4JRD5NXMDVXFUA \
  | 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: a2fad58ea596ff9e2623eb6ec1d6e5a020d9cff9174879b2381b3636e75aadc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69d84007fe2acabf00604fcd6f11bd3b9f5b04c1118c2b443eac3be3509670bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-04-29T15:00:21Z",
    "title_canon_sha256": "fad81cc7bd2ff40eabb93140a7ef72790cca5ee93bdb4bf2309bd29d28a2de27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.14142",
    "kind": "arxiv",
    "version": 1
  }
}