Pith Number

pith:CPTNNIUD

pith:2021:CPTNNIUD6MZMSU43TQIOO5HHCX

not attested not anchored not stored refs pending

LAI Estimation of Cucumber Crop Based on Improved Fully Convolutional Network

Bolong Liu, Jie Liu, Ling Wang, Weiqi Shu

arxiv:2104.07955 v2 · 2021-04-16 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CPTNNIUD6MZMSU43TQIOO5HHCX}

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	2026-07-05T04:18:14.488842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13e6d6a283f332c9539b9c10e774e715f004f598e9dac9450e5b3ec737d9506d

Aliases

arxiv: 2104.07955 · arxiv_version: 2104.07955v2 · doi: 10.48550/arxiv.2104.07955 · pith_short_12: CPTNNIUD6MZM · pith_short_16: CPTNNIUD6MZMSU43 · pith_short_8: CPTNNIUD

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/CPTNNIUD6MZMSU43TQIOO5HHCX \
  | 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: 13e6d6a283f332c9539b9c10e774e715f004f598e9dac9450e5b3ec737d9506d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63c0486294a66d13e72e8749d0fc4dfbc7559c5c20a27526f7962efa839460b7",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-04-16T08:12:06Z",
    "title_canon_sha256": "07d0ed43b6d7df750485d5cbc1af4fda5749ac7b4cd09d51500950f898c64482"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.07955",
    "kind": "arxiv",
    "version": 2
  }
}