Pith Number

pith:KPZ26XPD

pith:2020:KPZ26XPDNPMUY2IQVHGVKOY2WD

not attested not anchored not stored refs pending

Deep Learning Based Unsupervised and Semi-supervised Classification for Keratoconus

Christopher Hodge, Gerard Sutton, Jingjing You, Josef Dick, Kai Yi, Nicole Hallett, Yu Guang Wang

arxiv:2001.11653 v1 · 2020-01-31 · stat.ML · cs.LG · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KPZ26XPDNPMUY2IQVHGVKOY2WD}

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	2026-07-05T00:37:32.690776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53f3af5de36bd94c6910a9cd553b1ab0fc1adfd4a227f859f52aa801d436b68f

Aliases

arxiv: 2001.11653 · arxiv_version: 2001.11653v1 · doi: 10.48550/arxiv.2001.11653 · pith_short_12: KPZ26XPDNPMU · pith_short_16: KPZ26XPDNPMUY2IQ · pith_short_8: KPZ26XPD

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/KPZ26XPDNPMUY2IQVHGVKOY2WD \
  | 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: 53f3af5de36bd94c6910a9cd553b1ab0fc1adfd4a227f859f52aa801d436b68f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29bf6913fc76ef0a7c5548ba2a3f23337ac0dbd9ff04aa781ce08f837ce08b44",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2020-01-31T03:56:12Z",
    "title_canon_sha256": "f73e2bef6fb207c563a6dea8e8d43b37000f9a05e5eaf27486fb1dda4908eba0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.11653",
    "kind": "arxiv",
    "version": 1
  }
}