Pith Number

pith:NYDVWUNZ

pith:2026:NYDVWUNZ4ZDPP26QB73SQCXG4L

not attested not anchored not stored refs pending

Implicit Regularization in Perturbed Deep Matrix Factorization: Spectral Conditions and Stability

Hung-Hsu Chou, Jingzhe Wang

arxiv:2605.28613 v1 · 2026-05-27 · math.OC · 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{NYDVWUNZ4ZDPP26QB73SQCXG4L}

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	2026-05-28T02:04:57.788471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e075b51b9e646f7ebd00ff7280ae6e2d4cda15457cf1e79d45be1a6259c60ed

Aliases

arxiv: 2605.28613 · arxiv_version: 2605.28613v1 · doi: 10.48550/arxiv.2605.28613 · pith_short_12: NYDVWUNZ4ZDP · pith_short_16: NYDVWUNZ4ZDPP26Q · pith_short_8: NYDVWUNZ

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/NYDVWUNZ4ZDPP26QB73SQCXG4L \
  | 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: 6e075b51b9e646f7ebd00ff7280ae6e2d4cda15457cf1e79d45be1a6259c60ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "344249512f4e979e8b702bbe7aecc20ae5d4ab6ef07b2a6895daf5ff8b3fa4bb",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-05-27T15:26:50Z",
    "title_canon_sha256": "8a46694dcd1541fb36d14083cafbb22f75f014210a7b80eef1ac0c016e385ac4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28613",
    "kind": "arxiv",
    "version": 1
  }
}