Pith Number

pith:N5L7NJSY

pith:2019:N5L7NJSY4W2TFJ66KCH26MHWIZ

not attested not anchored not stored refs pending

The PRIMPing Routine -- Tiling through Proximal Alternating Linearized Minimization

Katharina Morik, Nico Piatkowski, Sibylle Hess

arxiv:1906.09722 v1 · 2019-06-17 · cs.AI · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N5L7NJSY4W2TFJ66KCH26MHWIZ}

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	2026-05-17T23:42:36.978795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f57f6a658e5b532a7de508faf30f64642b849b675718e253821f7dfce125973

Aliases

arxiv: 1906.09722 · arxiv_version: 1906.09722v1 · doi: 10.48550/arxiv.1906.09722 · pith_short_12: N5L7NJSY4W2T · pith_short_16: N5L7NJSY4W2TFJ66 · pith_short_8: N5L7NJSY

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/N5L7NJSY4W2TFJ66KCH26MHWIZ \
  | 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: 6f57f6a658e5b532a7de508faf30f64642b849b675718e253821f7dfce125973

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f5c76dd742960a0ade51898730e55aff1dc5aecab00f3fa07d9b498baa59a8a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2019-06-17T21:56:36Z",
    "title_canon_sha256": "db844e746a6d2788792da97bd631d5f8b80817b8fef40ec7ff42249c3484e766"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09722",
    "kind": "arxiv",
    "version": 1
  }
}