Pith Number

pith:ZZK7TRTH

pith:2013:ZZK7TRTHPOTU4O4FUUXZUPDRF3

not attested not anchored not stored refs pending

Speaking Plant Approach for Automatic Fertigation System in Greenhouse

Chusnul Arif, Dewa Made Subrata, Usman Ahmad

arxiv:1303.1869 v1 · 2013-03-08 · cs.OH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZZK7TRTHPOTU4O4FUUXZUPDRF3}

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	2026-05-18T03:31:32.100716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce55f9c6677ba74e3b85a52f9a3c712ecdbe8091b9eef3079f8d7353b546470c

Aliases

arxiv: 1303.1869 · arxiv_version: 1303.1869v1 · doi: 10.48550/arxiv.1303.1869 · pith_short_12: ZZK7TRTHPOTU · pith_short_16: ZZK7TRTHPOTU4O4F · pith_short_8: ZZK7TRTH

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/ZZK7TRTHPOTU4O4FUUXZUPDRF3 \
  | 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: ce55f9c6677ba74e3b85a52f9a3c712ecdbe8091b9eef3079f8d7353b546470c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c1e3ef9739d9f97d1cf486cc389b20c8abaae5b3a7e4a7bdc6f90ceb99bda7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.OH",
    "submitted_at": "2013-03-08T01:39:05Z",
    "title_canon_sha256": "c46b1de687f33e8e609f3375e8ea7106ead58a24c6825bf262019ae1d36371aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.1869",
    "kind": "arxiv",
    "version": 1
  }
}