Pith Number

pith:QB2RIUYK

pith:2013:QB2RIUYKLHLQ6UPWZZ53LZ7LA2

not attested not anchored not stored refs pending

Multiple Kernel Sparse Representations for Supervised and Unsupervised Learning

Andreas Spanias, Jayaraman J. Thiagarajan, Karthikeyan Natesan Ramamurthy

arxiv:1303.0582 v2 · 2013-03-03 · 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{QB2RIUYKLHLQ6UPWZZ53LZ7LA2}

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	2026-05-18T01:51:17.611502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

807514530a59d70f51f6ce7bb5e7eb069e1128512480a652ecc194729159380f

Aliases

arxiv: 1303.0582 · arxiv_version: 1303.0582v2 · doi: 10.48550/arxiv.1303.0582 · pith_short_12: QB2RIUYKLHLQ · pith_short_16: QB2RIUYKLHLQ6UPW · pith_short_8: QB2RIUYK

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/QB2RIUYKLHLQ6UPWZZ53LZ7LA2 \
  | 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: 807514530a59d70f51f6ce7bb5e7eb069e1128512480a652ecc194729159380f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61f55c2ae974aa5a4de65591c18a61dbc4b26609e3a6daff226988dc1a13754b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-03-03T23:41:34Z",
    "title_canon_sha256": "f3143262928d817dedcc24a695033df462e88710fb3fa8c05f9e017003896a1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0582",
    "kind": "arxiv",
    "version": 2
  }
}