pith. sign in
Pith Number

pith:3BX4KLYV

pith:2018:3BX4KLYVRFQIU6PG72HTV4BC23
not attested not anchored not stored refs pending

Learning to quantify emphysema extent: What labels do we need?

Jens Petersen, Laura H. Thomsen, Marleen de Bruijne, Mathilde M. W. Wille, Silas Nyboe {\O}rting

arxiv:1810.07433 v1 · 2018-10-17 · cs.CV

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{3BX4KLYVRFQIU6PG72HTV4BC23}

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 2026-05-18T00:02:56.409843Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d86fc52f1589608a79e6fe8f3af022d6f1d2c60d4d5efae61c3095992d476dd6

Aliases

arxiv: 1810.07433 · arxiv_version: 1810.07433v1 · doi: 10.48550/arxiv.1810.07433 · pith_short_12: 3BX4KLYVRFQI · pith_short_16: 3BX4KLYVRFQIU6PG · pith_short_8: 3BX4KLYV
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/3BX4KLYVRFQIU6PG72HTV4BC23 \
  | 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: d86fc52f1589608a79e6fe8f3af022d6f1d2c60d4d5efae61c3095992d476dd6
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2258e5ddbb0a1dd21ea1232b44ea3776cc999b1c41f056752b5de7cb32cf9102",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-10-17T08:48:27Z",
    "title_canon_sha256": "1818f6db84e254ce0e0cde4ae795f20b233cf9726d7235b6b13c9fa68b7e3478"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07433",
    "kind": "arxiv",
    "version": 1
  }
}