Pith Number

pith:SGHY4DFM

pith:2020:SGHY4DFM4XNBSBEEJOQCL3CV5H

not attested not anchored not stored refs pending

CHS-Net: A Deep learning approach for hierarchical segmentation of COVID-19 infected CT images

Narinder Singh Punn, Sonali Agarwal

arxiv:2012.07079 v7 · 2020-12-13 · eess.IV · 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{SGHY4DFM4XNBSBEEJOQCL3CV5H}

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	2026-07-05T04:08:56.131496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

918f8e0cace5da1904844ba025ec55e9f0f8996fee2e58ed7f03401ee3210fad

Aliases

arxiv: 2012.07079 · arxiv_version: 2012.07079v7 · doi: 10.48550/arxiv.2012.07079 · pith_short_12: SGHY4DFM4XNB · pith_short_16: SGHY4DFM4XNBSBEE · pith_short_8: SGHY4DFM

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/SGHY4DFM4XNBSBEEJOQCL3CV5H \
  | 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: 918f8e0cace5da1904844ba025ec55e9f0f8996fee2e58ed7f03401ee3210fad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20ecd28ef7873360bf9651f982b6eacf38266b5265198d1c235989bb16695fab",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-12-13T15:02:05Z",
    "title_canon_sha256": "79688f4523c98e01bad50441285ca3ac23367d8ac1f658ce394aeb44e8235ade"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.07079",
    "kind": "arxiv",
    "version": 7
  }
}