Pith Number

pith:4TFI5AGP

pith:2021:4TFI5AGPHUXB3LWIVRTT76Z2VS

not attested not anchored not stored refs pending

COVID-Rate: An Automated Framework for Segmentation of COVID-19 Lesions from Chest CT Scans

Anastasia Oikonomou, Arash Mohammadi, Farnoosh Naderkhani, Konstantinos N. Plataniotis, Moezedin Javad Rafiee, Nastaran Enshaei, Parnian Afshar, Shahin Heidarian

arxiv:2107.01527 v1 · 2021-07-04 · 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{4TFI5AGPHUXB3LWIVRTT76Z2VS}

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	2026-07-05T02:54:58.029063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4ca8e80cf3d2e1daec8ac673ffb3aac8681efbf091816ba9d985888f3ac47f2

Aliases

arxiv: 2107.01527 · arxiv_version: 2107.01527v1 · doi: 10.48550/arxiv.2107.01527 · pith_short_12: 4TFI5AGPHUXB · pith_short_16: 4TFI5AGPHUXB3LWI · pith_short_8: 4TFI5AGP

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/4TFI5AGPHUXB3LWIVRTT76Z2VS \
  | 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: e4ca8e80cf3d2e1daec8ac673ffb3aac8681efbf091816ba9d985888f3ac47f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6063156f883833d01fe4241d2c00878911fb03e3d431e26dad844959b82e66f4",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-07-04T03:19:43Z",
    "title_canon_sha256": "caf642162781626cff1d885027d1db41bbc946a3229692a7be530c251f789802"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.01527",
    "kind": "arxiv",
    "version": 1
  }
}