Pith Number

pith:N4FHCIWQ

pith:2021:N4FHCIWQD2QVX34OLRFJW6DJ3S

not attested not anchored not stored refs pending

CSC-Unet: A Novel Convolutional Sparse Coding Strategy Based Neural Network for Semantic Segmentation

Haitong Tang, Hongjie Yan, Kaiyue Liu, Mengduo Yang, Nizhuan Wang, Qin Yu, Shuang He, Xia Lu

arxiv:2108.00408 v2 · 2021-08-01 · cs.CV · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N4FHCIWQD2QVX34OLRFJW6DJ3S}

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	2026-07-05T07:54:46.258866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f0a7122d01ea15bef8e5c4a9b7869dc9e2554fe63781b8cab9bb0d758a3deeb

Aliases

arxiv: 2108.00408 · arxiv_version: 2108.00408v2 · doi: 10.48550/arxiv.2108.00408 · pith_short_12: N4FHCIWQD2QV · pith_short_16: N4FHCIWQD2QVX34O · pith_short_8: N4FHCIWQ

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/N4FHCIWQD2QVX34OLRFJW6DJ3S \
  | 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: 6f0a7122d01ea15bef8e5c4a9b7869dc9e2554fe63781b8cab9bb0d758a3deeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3330cf728303cdf89c77847e6c7154cc1ba6e6e988e6c61390ba192263eacfe8",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-08-01T09:16:31Z",
    "title_canon_sha256": "354d9f15278efd2d95d20916460ba6d656c6390aa80267b9794d10e79f33e446"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.00408",
    "kind": "arxiv",
    "version": 2
  }
}