Pith Number

pith:RGVXW2EQ

pith:2018:RGVXW2EQNKDV67RU5Z5WYYDL5O

not attested not anchored not stored refs pending

Cats or CAT scans: transfer learning from natural or medical image source datasets?

Veronika Cheplygina

arxiv:1810.05444 v2 · 2018-10-12 · cs.CV · cs.AI · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RGVXW2EQNKDV67RU5Z5WYYDL5O}

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	2026-05-17T23:56:38.381244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89ab7b68906a875f7e34ee7b6c606bebaaca7d33596459bdd24677fe8998f88b

Aliases

arxiv: 1810.05444 · arxiv_version: 1810.05444v2 · doi: 10.48550/arxiv.1810.05444 · pith_short_12: RGVXW2EQNKDV · pith_short_16: RGVXW2EQNKDV67RU · pith_short_8: RGVXW2EQ

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/RGVXW2EQNKDV67RU5Z5WYYDL5O \
  | 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: 89ab7b68906a875f7e34ee7b6c606bebaaca7d33596459bdd24677fe8998f88b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0b2951243ae06bfe72672627273f8536ee439e3dd9a1e29db5d9c16e915a53e",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-10-12T10:35:21Z",
    "title_canon_sha256": "e8178495a0e797836a7ce793e0f29bbb331411f7a25be8ed5e79a3e5992468b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.05444",
    "kind": "arxiv",
    "version": 2
  }
}