Pith Number

pith:C6UCO5OK

pith:2015:C6UCO5OKEO4LPIITACJJRQVOQI

not attested not anchored not stored refs pending

Competitive and Penalized Clustering Auto-encoder

Yiuming Cheung, Zihao Wang

arxiv:1508.07175 v3 · 2015-08-28 · 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{C6UCO5OKEO4LPIITACJJRQVOQI}

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	2026-05-18T00:48:55.002285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17a82775ca23b8b7a113009298c2ae82393a927924490bf7f5445bcb56ad0743

Aliases

arxiv: 1508.07175 · arxiv_version: 1508.07175v3 · doi: 10.48550/arxiv.1508.07175 · pith_short_12: C6UCO5OKEO4L · pith_short_16: C6UCO5OKEO4LPIIT · pith_short_8: C6UCO5OK

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/C6UCO5OKEO4LPIITACJJRQVOQI \
  | 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: 17a82775ca23b8b7a113009298c2ae82393a927924490bf7f5445bcb56ad0743

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d50b5d2f1f31d38577ccdf6991add934346f94c2ae53b35d5ca7b44d900f63d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-08-28T12:03:16Z",
    "title_canon_sha256": "444d37801f6547ce54b6e47cd56376e00132e5c872e54802f3f3ec3d33924103"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.07175",
    "kind": "arxiv",
    "version": 3
  }
}