Pith Number

pith:6DF4IJEJ

pith:2016:6DF4IJEJ7H7NRIW4JOFOKSN4WR

not attested not anchored not stored refs pending

Unsupervised Category Discovery via Looped Deep Pseudo-Task Optimization Using a Large Scale Radiology Image Database

Hoo-Chang Shin, Isabella Nogues, Jianhua Yao, Lauren Kim, Le Lu, Ronald Summers, Xiaosong Wang

arxiv:1603.07965 v1 · 2016-03-25 · 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{6DF4IJEJ7H7NRIW4JOFOKSN4WR}

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	2026-05-18T01:18:15.725379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0cbc42489f9fed8a2dc4b8ae549bcb4698f0a6f1cc24d5f0d73f9ee2911ff95

Aliases

arxiv: 1603.07965 · arxiv_version: 1603.07965v1 · doi: 10.48550/arxiv.1603.07965 · pith_short_12: 6DF4IJEJ7H7N · pith_short_16: 6DF4IJEJ7H7NRIW4 · pith_short_8: 6DF4IJEJ

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/6DF4IJEJ7H7NRIW4JOFOKSN4WR \
  | 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: f0cbc42489f9fed8a2dc4b8ae549bcb4698f0a6f1cc24d5f0d73f9ee2911ff95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa248729cd3c32727b454346cac8e49f8ea987e13c9b11427a0e9d87a20d5a98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-03-25T17:16:00Z",
    "title_canon_sha256": "a77c64c3f30744e6deb808295ebdc12a34ccbb4803a3e3aff7df49c0b5f8e6d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.07965",
    "kind": "arxiv",
    "version": 1
  }
}