Pith Number

pith:DRT37YG6

pith:2014:DRT37YG6TMSXTQKJC3FJMDKHN4

not attested not anchored not stored refs pending

Multi-task Sparse Structure Learning

Andre R. Goncalves, Arindam Banerjee, Fernando J. Von Zuben, Puja Das, Soumyadeep Chatterjee, Vidyashankar Sivakumar

arxiv:1409.0272 v2 · 2014-09-01 · 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{DRT37YG6TMSXTQKJC3FJMDKHN4}

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	2026-05-18T00:51:58.505617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c67bfe0de9b2579c14916ca960d476f1dbf5f15fcc4744ba8a7a48b27d57e79

Aliases

arxiv: 1409.0272 · arxiv_version: 1409.0272v2 · doi: 10.48550/arxiv.1409.0272 · pith_short_12: DRT37YG6TMSX · pith_short_16: DRT37YG6TMSXTQKJ · pith_short_8: DRT37YG6

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/DRT37YG6TMSXTQKJC3FJMDKHN4 \
  | 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: 1c67bfe0de9b2579c14916ca960d476f1dbf5f15fcc4744ba8a7a48b27d57e79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99ea648b17dc1818de1113efc2e118a4d3ae4bede875ca11de9e9c4312e79478",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-09-01T00:33:38Z",
    "title_canon_sha256": "137296c44bb1b9796fbc6cae97995bbd4395cd970db1d170bfd45e242e5f09c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.0272",
    "kind": "arxiv",
    "version": 2
  }
}