Pith Number

pith:XLWCNZWP

pith:2019:XLWCNZWPI3UCOAK4QDUJ62DJ4K

not attested not anchored not stored refs pending

Non-Negative Kernel Sparse Coding for the Classification of Motion Data

Babak Hosseini, Barbara Hammer, Felix H\"ulsmann, Mario Botsch

arxiv:1903.03891 v2 · 2019-03-10 · 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{XLWCNZWPI3UCOAK4QDUJ62DJ4K}

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	2026-05-17T23:51:29.518276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

baec26e6cf46e827015c80e89f6869e2806ae9530c897270d4031acd833c4c9a

Aliases

arxiv: 1903.03891 · arxiv_version: 1903.03891v2 · doi: 10.48550/arxiv.1903.03891 · pith_short_12: XLWCNZWPI3UC · pith_short_16: XLWCNZWPI3UCOAK4 · pith_short_8: XLWCNZWP

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/XLWCNZWPI3UCOAK4QDUJ62DJ4K \
  | 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: baec26e6cf46e827015c80e89f6869e2806ae9530c897270d4031acd833c4c9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "846dd52b33f7a6b787bfab8a418fb6a75878002834ff620eab224c7701a813da",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-03-10T00:45:05Z",
    "title_canon_sha256": "caa6d8c56a050af603ffb3c35942bcac5ae20aeddcdc2f08403d8ac0a781af43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.03891",
    "kind": "arxiv",
    "version": 2
  }
}