Pith Number

pith:SCPXQNZD

pith:2026:SCPXQNZDIYK4OUPKFWSRB6ZCEH

not attested not anchored not stored refs pending

Exact Convex Reformulations of Linear Neural Networks via Completely Positive Lifting

Alp Yurtsever, Karthik Prakhya

arxiv:2605.17692 v1 · 2026-05-17 · cs.LG · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SCPXQNZDIYK4OUPKFWSRB6ZCEH}

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	2026-05-20T00:04:53.066795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

909f7837234615c751ea2da510fb2221cdbe0f79fc9c8effbf228216e28c56c5

Aliases

arxiv: 2605.17692 · arxiv_version: 2605.17692v1 · doi: 10.48550/arxiv.2605.17692 · pith_short_12: SCPXQNZDIYK4 · pith_short_16: SCPXQNZDIYK4OUPK · pith_short_8: SCPXQNZD

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/SCPXQNZDIYK4OUPKFWSRB6ZCEH \
  | 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: 909f7837234615c751ea2da510fb2221cdbe0f79fc9c8effbf228216e28c56c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b8e60ffff7be021e08fdb30197104a6468b9a4cb8e5e3ba99edcadb6c9b4963",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-17T23:20:50Z",
    "title_canon_sha256": "c94c17483410ed45c17de441485cdaea5d93ec8d10e9e4577231d5c1dcaf5785"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.17692",
    "kind": "arxiv",
    "version": 1
  }
}