Pith Number

pith:XYT3EUCP

pith:2019:XYT3EUCPPCPLA3V5T4FFK437DD

not attested not anchored not stored refs pending

Hierarchically Clustered Representation Learning

Il-Chul Moon, Kyungwoo Song, Su-Jin Shin

arxiv:1901.09906 v2 · 2019-01-28 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XYT3EUCPPCPLA3V5T4FFK437DD}

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	2026-05-17T23:50:36.083774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be27b2504f789eb06ebd9f0a55737f18c8257c1ee9eb5aa5aa822e111bbf09a2

Aliases

arxiv: 1901.09906 · arxiv_version: 1901.09906v2 · doi: 10.48550/arxiv.1901.09906 · pith_short_12: XYT3EUCPPCPL · pith_short_16: XYT3EUCPPCPLA3V5 · pith_short_8: XYT3EUCP

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/XYT3EUCPPCPLA3V5T4FFK437DD \
  | 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: be27b2504f789eb06ebd9f0a55737f18c8257c1ee9eb5aa5aa822e111bbf09a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3551293cd916afd97444f5f7a70104aa954c9ffe802283f68e53abd5400fe8cc",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-01-28T07:04:19Z",
    "title_canon_sha256": "8d86853b409dbcc1d2872d74f3a3c9d2aa44f9bbc40a10d350c7afa15970438b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.09906",
    "kind": "arxiv",
    "version": 2
  }
}