Pith Number

pith:HGDKFGWM

pith:2015:HGDKFGWM5LPLQVI5QKNH2HXICO

not attested not anchored not stored refs pending

Learning with Clustering Structure

Alexandre d'Aspremont, Fajwel Fogel, Francis Bach, Vincent Roulet

arxiv:1506.04908 v3 · 2015-06-16 · 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{HGDKFGWM5LPLQVI5QKNH2HXICO}

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	2026-05-18T01:04:30.226923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3986a29acceadeb8551d829a7d1ee813929ff0a1a90c59ec2324b63930dc6f90

Aliases

arxiv: 1506.04908 · arxiv_version: 1506.04908v3 · doi: 10.48550/arxiv.1506.04908 · pith_short_12: HGDKFGWM5LPL · pith_short_16: HGDKFGWM5LPLQVI5 · pith_short_8: HGDKFGWM

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/HGDKFGWM5LPLQVI5QKNH2HXICO \
  | 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: 3986a29acceadeb8551d829a7d1ee813929ff0a1a90c59ec2324b63930dc6f90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad5bf3b3bd17be972a9f9985a2ceb39d1978666b426900441b022f6b68afd255",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-06-16T10:44:30Z",
    "title_canon_sha256": "969e3e09ac74cde3a56174c7c1111c926b709ede60fc55de00f97e2ee27694e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.04908",
    "kind": "arxiv",
    "version": 3
  }
}