Pith Number

pith:22UDVKFO

pith:2018:22UDVKFOEHSP4S4EJOOIH4FR56

not attested not anchored not stored refs pending

Polarimetric Convolutional Network for PolSAR Image Classification

Dan Zhang, Licheng Jiao, Qigong Sun, Xu Liu, Xu Tang

arxiv:1807.02975 v2 · 2018-07-09 · cs.CV

Open paper page JSON What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-17T23:47:48.896820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6a83aa8ae21e4fe4b844b9c83f0b1ef82f70e6af1b8e8acb7cde862d58784a9

Aliases

arxiv: 1807.02975 · arxiv_version: 1807.02975v2 · doi: 10.48550/arxiv.1807.02975 · pith_short_12: 22UDVKFOEHSP · pith_short_16: 22UDVKFOEHSP4S4E · pith_short_8: 22UDVKFO

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/22UDVKFOEHSP4S4EJOOIH4FR56 \
  | 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: d6a83aa8ae21e4fe4b844b9c83f0b1ef82f70e6af1b8e8acb7cde862d58784a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d21cca5d458a2bbc3d53e4cb3196bab24a3073a4e8423eda022853a6ae61110",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-07-09T07:52:13Z",
    "title_canon_sha256": "e9db838a11c6d253eafde79781a840dc6f20cb22c8c34253fa3faf02a4025a5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02975",
    "kind": "arxiv",
    "version": 2
  }
}