Pith Number

pith:RYJ6SBVR

pith:2019:RYJ6SBVRPVK22TU75KVYDAKCK7

not attested not anchored not stored refs pending

SOMOSPIE: A modular SOil MOisture SPatial Inference Engine based on data driven decisions

Danny Rorabaugh, Joy Kitson, Mario Guevara, Michela Taufer, Ricardo Llamas, Rodrigo Vargas

arxiv:1904.07754 v2 · 2019-04-16 · 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{RYJ6SBVRPVK22TU75KVYDAKCK7}

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	2026-05-17T23:45:44.092595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e13e906b17d55ad4e9feaab81814257f32c027dd71765bf945ce119aa6f91d8

Aliases

arxiv: 1904.07754 · arxiv_version: 1904.07754v2 · doi: 10.48550/arxiv.1904.07754 · pith_short_12: RYJ6SBVRPVK2 · pith_short_16: RYJ6SBVRPVK22TU7 · pith_short_8: RYJ6SBVR

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/RYJ6SBVRPVK22TU75KVYDAKCK7 \
  | 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: 8e13e906b17d55ad4e9feaab81814257f32c027dd71765bf945ce119aa6f91d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f00afb103d0adcd3a19730098314361608ce59f16e8f76c09b65e28987a8c3d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-04-16T15:14:56Z",
    "title_canon_sha256": "78b13d5b8e34eb438f7050d9422f077906fba841ffb58620178c9e00c27c11c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.07754",
    "kind": "arxiv",
    "version": 2
  }
}