Pith Number

pith:SFLGCPI3

pith:2020:SFLGCPI3CXL7GTZ3ZCO267P4DP

not attested not anchored not stored refs pending

A Weakly Supervised Region-Based Active Learning Method for COVID-19 Segmentation in CT Images

David Vazquez, Derek Nowrouzezahrai, Frederic Branchaud-Charron, Issam Laradji, Keegan Lensink, Parmida Atighehchian, Pau Rodriguez, William Parker

arxiv:2007.07012 v1 · 2020-07-07 · 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{SFLGCPI3CXL7GTZ3ZCO267P4DP}

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	2026-07-05T01:18:25.865711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9156613d1b15d7f34f3bc89daf7dfc1bfe6dfe8cda020f6193826f5fbcb18a4f

Aliases

arxiv: 2007.07012 · arxiv_version: 2007.07012v1 · doi: 10.48550/arxiv.2007.07012 · pith_short_12: SFLGCPI3CXL7 · pith_short_16: SFLGCPI3CXL7GTZ3 · pith_short_8: SFLGCPI3

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/SFLGCPI3CXL7GTZ3ZCO267P4DP \
  | 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: 9156613d1b15d7f34f3bc89daf7dfc1bfe6dfe8cda020f6193826f5fbcb18a4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "351c834abc25d5525df1be8fe1de198c87e6b205155b374a6ac49451386e3e9a",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-07-07T16:38:04Z",
    "title_canon_sha256": "589bcbaf0d9b8b1db356d0cdf81b795ff4c4d702abb4329f70222cbd7e2e88e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.07012",
    "kind": "arxiv",
    "version": 1
  }
}