Pith Number

pith:2TEW7SVT

pith:2017:2TEW7SVTQRQDAR27FLTYGPZ5CW

not attested not anchored not stored refs pending

Transfer learning for multi-center classification of chronic obstructive pulmonary disease

David A. Lynch, Isabel Pino Pe\~na, Jesper Holst Pedersen, Lauge S{\o}rensen, Marleen de Bruijne, Veronika Cheplygina

arxiv:1701.05013 v2 · 2017-01-18 · 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{2TEW7SVTQRQDAR27FLTYGPZ5CW}

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	2026-05-18T00:29:46.486829Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4c96fcab3846030475f2ae7833f3d158fbf46ddb460d2336441e50340c4267e

Aliases

arxiv: 1701.05013 · arxiv_version: 1701.05013v2 · doi: 10.48550/arxiv.1701.05013 · pith_short_12: 2TEW7SVTQRQD · pith_short_16: 2TEW7SVTQRQDAR27 · pith_short_8: 2TEW7SVT

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/2TEW7SVTQRQDAR27FLTYGPZ5CW \
  | 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: d4c96fcab3846030475f2ae7833f3d158fbf46ddb460d2336441e50340c4267e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03a1a94447a54814ab708d24b7b74d828b000c087e0843a119170e9d70783815",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-01-18T11:13:01Z",
    "title_canon_sha256": "d58dc15be831df13d58ebb03aa4f3184fc73499330e9fa4a648d5c56c3d54dbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05013",
    "kind": "arxiv",
    "version": 2
  }
}