Pith Number

pith:ZPWIYADK

pith:2017:ZPWIYADKM4GGFPIBS2EFOCYWRK

not attested not anchored not stored refs pending

Multi-Layer Convolutional Sparse Modeling: Pursuit and Dictionary Learning

Jeremias Sulam, Michael Elad, Vardan Papyan, Yaniv Romano

arxiv:1708.08705 v2 · 2017-08-29 · cs.CV · 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{ZPWIYADKM4GGFPIBS2EFOCYWRK}

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	2026-05-18T00:11:57.999337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbec8c006a670c62bd019688570b168a8bd6e59d572b4ca0d53e9bdbee1a48cb

Aliases

arxiv: 1708.08705 · arxiv_version: 1708.08705v2 · doi: 10.48550/arxiv.1708.08705 · pith_short_12: ZPWIYADKM4GG · pith_short_16: ZPWIYADKM4GGFPIB · pith_short_8: ZPWIYADK

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/ZPWIYADKM4GGFPIBS2EFOCYWRK \
  | 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: cbec8c006a670c62bd019688570b168a8bd6e59d572b4ca0d53e9bdbee1a48cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6321bf444ac2a35aaf6698487fed11732b9459b47e402941b4e0c999970b84ea",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-08-29T11:43:40Z",
    "title_canon_sha256": "139300a69aa25de97c8364e3edf2140704fe5813428ed291f84b3c5650d636c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.08705",
    "kind": "arxiv",
    "version": 2
  }
}