Pith Number

pith:HJD2WNXU

pith:2019:HJD2WNXUKAE3SRKKJSA5BVVSOW

not attested not anchored not stored refs pending

Imbalanced Learning-based Automatic SAR Images Change Detection by Morphologically Supervised PCA-Net

Jia-Wei Chen, Jie Zhang, Licheng Jiao, Mi Wang, Rongfang Wang

arxiv:1906.07923 v1 · 2019-06-19 · cs.CV · cs.LG

Open paper page JSON Open Graph Bundle Merged state 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

✓ 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	2026-05-17T23:42:18.413568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a47ab36f45009b9454a4c81d0d6b2758894fdebf42aa61291ccb2e7fb091342

Aliases

arxiv: 1906.07923 · arxiv_version: 1906.07923v1 · doi: 10.48550/arxiv.1906.07923 · pith_short_12: HJD2WNXUKAE3 · pith_short_16: HJD2WNXUKAE3SRKK · pith_short_8: HJD2WNXU

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/HJD2WNXUKAE3SRKKJSA5BVVSOW \
  | 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: 3a47ab36f45009b9454a4c81d0d6b2758894fdebf42aa61291ccb2e7fb091342

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7aeed714201bc25c08910f31d6cdedb3df964c9afe81ca5b183c7ac1df1af74e",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-06-19T05:34:50Z",
    "title_canon_sha256": "f776e1a8edb2a7bdfc9219cbcec928c68b04f384efd928bae867e49854c2e2cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.07923",
    "kind": "arxiv",
    "version": 1
  }
}