Pith Number

pith:WFPQODD4

pith:2017:WFPQODD4FUEO54FUQ3ZQ2DDFYI

not attested not anchored not stored refs pending

Scalable Online Convolutional Sparse Coding

James T. Kwok, Lionel M. Ni, Quanming Yao, Yaqing Wang

arxiv:1706.06972 v3 · 2017-06-21 · 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{WFPQODD4FUEO54FUQ3ZQ2DDFYI}

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	2026-05-18T00:09:20.316456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b15f070c7c2d08eef0b486f30d0c65c20b504ff93355324ab2d715484e7c0f7c

Aliases

arxiv: 1706.06972 · arxiv_version: 1706.06972v3 · doi: 10.48550/arxiv.1706.06972 · pith_short_12: WFPQODD4FUEO · pith_short_16: WFPQODD4FUEO54FU · pith_short_8: WFPQODD4

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/WFPQODD4FUEO54FUQ3ZQ2DDFYI \
  | 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: b15f070c7c2d08eef0b486f30d0c65c20b504ff93355324ab2d715484e7c0f7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5eb619b6276d92fbe49bf1868170c51b5cd3183bbc8583c1d6b16c542c0ca34",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-06-21T15:50:12Z",
    "title_canon_sha256": "4df030bcdd3371ce5b690b8dce8e7d03f8de54f2b01daf98615c698405343d27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.06972",
    "kind": "arxiv",
    "version": 3
  }
}