Pith Number

pith:3VR3XHED

pith:2018:3VR3XHEDRJ5QSC45T563HT546P

not attested not anchored not stored refs pending

Analysis of Fast Structured Dictionary Learning

Anna Ma, Deanna Needell, Saiprasad Ravishankar

arxiv:1805.12529 v3 · 2018-05-31 · 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{3VR3XHEDRJ5QSC45T563HT546P}

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	2026-07-05T00:06:29.220634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd63bb9c838a7b090b9d9f7db3cfbcf3d2217c5cfcb949967d5deeca0e04c80c

Aliases

arxiv: 1805.12529 · arxiv_version: 1805.12529v3 · doi: 10.48550/arxiv.1805.12529 · pith_short_12: 3VR3XHEDRJ5Q · pith_short_16: 3VR3XHEDRJ5QSC45 · pith_short_8: 3VR3XHED

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/3VR3XHEDRJ5QSC45T563HT546P \
  | 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: dd63bb9c838a7b090b9d9f7db3cfbcf3d2217c5cfcb949967d5deeca0e04c80c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8701d549cb776fb903223f9e1e19ea12f239e494e2988b5817827bdb7c439e87",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-05-31T15:59:14Z",
    "title_canon_sha256": "85a288485155f02ef086ad7323cf4a6d10fd10f0e2f74392871c0a4c6a178ea0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.12529",
    "kind": "arxiv",
    "version": 3
  }
}