Pith Number

pith:VYJH3ODA

pith:2022:VYJH3ODA72QPYCBSZKTD66ZOG5

not attested not anchored not stored refs pending

DDU-Net: Dual-Decoder-U-Net for Road Extraction Using High-Resolution Remote Sensing Images

Daqing Ge, George C. Alexandropoulos, Junchuan Yu, Wei Li, Wei Xiang, Xinran Liu, Ying Wang, Yuexing Peng

arxiv:2201.06750 v1 · 2022-01-18 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VYJH3ODA72QPYCBSZKTD66ZOG5}

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	2026-07-05T05:03:20.932963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae127db860fea0fc0832caa63f7b2e37692e95e5a8b3556aa7471c68c226da11

Aliases

arxiv: 2201.06750 · arxiv_version: 2201.06750v1 · doi: 10.48550/arxiv.2201.06750 · pith_short_12: VYJH3ODA72QP · pith_short_16: VYJH3ODA72QPYCBS · pith_short_8: VYJH3ODA

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/VYJH3ODA72QPYCBSZKTD66ZOG5 \
  | 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: ae127db860fea0fc0832caa63f7b2e37692e95e5a8b3556aa7471c68c226da11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9100daafb4f29c7b7df10ac5ea2dac19289ea3a499969f16f1819888a1086d99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-01-18T05:27:49Z",
    "title_canon_sha256": "2f6843bbe1bca9269906a62f89179c0f6e0898ce557a9a41047c572c29e11c3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.06750",
    "kind": "arxiv",
    "version": 1
  }
}