Pith Number

pith:4V5XNV5J

pith:2017:4V5XNV5JT7ZYOFA3V6WLPVE72K

not attested not anchored not stored refs pending

Convolutional Dictionary Learning via Local Processing

Jeremias Sulam, Michael Elad, Vardan Papyan, Yaniv Romano

arxiv:1705.03239 v1 · 2017-05-09 · 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{4V5XNV5JT7ZYOFA3V6WLPVE72K}

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	2026-05-18T00:44:48.507156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e57b76d7a99ff387141bafacb7d49fd2958abf3bb1864ec1769bc2aa295c3930

Aliases

arxiv: 1705.03239 · arxiv_version: 1705.03239v1 · doi: 10.48550/arxiv.1705.03239 · pith_short_12: 4V5XNV5JT7ZY · pith_short_16: 4V5XNV5JT7ZYOFA3 · pith_short_8: 4V5XNV5J

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/4V5XNV5JT7ZYOFA3V6WLPVE72K \
  | 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: e57b76d7a99ff387141bafacb7d49fd2958abf3bb1864ec1769bc2aa295c3930

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de4ee5e1f59a441cb4bc4f3485a549416535af975c43fa54f0d34e8e6d5a6e86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-05-09T09:07:59Z",
    "title_canon_sha256": "50b02cbb7bf412a2718fcdb294fcbd800550c661287bf4373b1f37c7b5a106d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.03239",
    "kind": "arxiv",
    "version": 1
  }
}