Pith Number

pith:PWKI2L5T

pith:2020:PWKI2L5T25APQAQSGIJWKSTWC3

not attested not anchored not stored refs pending

Continual Class Incremental Learning for CT Thoracic Segmentation

Abdelrahman Elskhawy, Aneta Lisowska, Josep Henry, Matthias Keicher, Nassir Navab, Paul Thomson

arxiv:2008.05557 v1 · 2020-08-12 · 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{PWKI2L5T25APQAQSGIJWKSTWC3}

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	2026-07-05T01:26:54.692412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d948d2fb3d740f802123213654a7616c1b2194c3e1be5ab1b758ccff16e8983

Aliases

arxiv: 2008.05557 · arxiv_version: 2008.05557v1 · doi: 10.48550/arxiv.2008.05557 · pith_short_12: PWKI2L5T25AP · pith_short_16: PWKI2L5T25APQAQS · pith_short_8: PWKI2L5T

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/PWKI2L5T25APQAQSGIJWKSTWC3 \
  | 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: 7d948d2fb3d740f802123213654a7616c1b2194c3e1be5ab1b758ccff16e8983

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0a92a5be2d7882d85c0621e60e93c19c8fcab38e342d945b9581039a1e6292e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-08-12T20:08:39Z",
    "title_canon_sha256": "eea71af7c51a0987f15f05696a102cee173347b6404be7e45dcbed0c2c46bbdc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.05557",
    "kind": "arxiv",
    "version": 1
  }
}