Pith Number

pith:T2WFTW4O

pith:2013:T2WFTW4OJOV2PVPRBVBU5QUWTU

not attested not anchored not stored refs pending

Discriminative k-means clustering

Ognjen Arandjelovic

arxiv:1306.2102 v1 · 2013-06-10 · 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{T2WFTW4OJOV2PVPRBVBU5QUWTU}

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	2026-05-18T03:21:22.373003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9eac59db8e4baba7d5f10d434ec2969d072e1ef305e9db404e322ebc2190143d

Aliases

arxiv: 1306.2102 · arxiv_version: 1306.2102v1 · doi: 10.48550/arxiv.1306.2102 · pith_short_12: T2WFTW4OJOV2 · pith_short_16: T2WFTW4OJOV2PVPR · pith_short_8: T2WFTW4O

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/T2WFTW4OJOV2PVPRBVBU5QUWTU \
  | 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: 9eac59db8e4baba7d5f10d434ec2969d072e1ef305e9db404e322ebc2190143d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e035b8321bbf1a4d394d424e599dca3fd9226f5237d6af50c6ae1e232ce1f6e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-06-10T04:59:05Z",
    "title_canon_sha256": "16d7636b5f6d98c7551d07d449cab477f66b669a835006ab1bc597853c592eab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.2102",
    "kind": "arxiv",
    "version": 1
  }
}