Pith Number

pith:CFZI7AMC

pith:2014:CFZI7AMCQIHNKNVDWZDSB6HJKE

not attested not anchored not stored refs pending

Separable Cosparse Analysis Operator Learning

Julian W\"ormann, Martin Kleinsteuber, Matthias Seibert, R\'emi Gribonval

arxiv:1406.1621 v1 · 2014-06-06 · 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{CFZI7AMCQIHNKNVDWZDSB6HJKE}

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	2026-05-18T02:50:22.035443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11728f8182820ed536a3b64720f8e9513eaf127caa4e24fbaad411ef057add60

Aliases

arxiv: 1406.1621 · arxiv_version: 1406.1621v1 · doi: 10.48550/arxiv.1406.1621 · pith_short_12: CFZI7AMCQIHN · pith_short_16: CFZI7AMCQIHNKNVD · pith_short_8: CFZI7AMC

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/CFZI7AMCQIHNKNVDWZDSB6HJKE \
  | 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: 11728f8182820ed536a3b64720f8e9513eaf127caa4e24fbaad411ef057add60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec51bef3aaf4b34f971103e48579ee25b8c55d6bffd1c103ee1c99bb7c96b457",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-06-06T09:33:59Z",
    "title_canon_sha256": "a4cb19e6f4d9e015477a4da903d0d730dee5faa4ac20a3256b711f0e325b39bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.1621",
    "kind": "arxiv",
    "version": 1
  }
}