Pith Number

pith:3TIN7EKX

pith:2019:3TIN7EKXM2BJM7ZSNWKMZV757U

not attested not anchored not stored refs pending

Refining the Structure of Neural Networks Using Matrix Conditioning

Dianne P O'Leary, Roozbeh Yousefzadeh

arxiv:1908.02400 v1 · 2019-08-06 · cs.LG · cs.NA · math.NA · 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{3TIN7EKXM2BJM7ZSNWKMZV757U}

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	2026-07-04T23:52:08.442113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcd0df91576682967f326d94ccd7fdfd192de6e519ea50b853012daa77216fdb

Aliases

arxiv: 1908.02400 · arxiv_version: 1908.02400v1 · doi: 10.48550/arxiv.1908.02400 · pith_short_12: 3TIN7EKXM2BJ · pith_short_16: 3TIN7EKXM2BJM7ZS · pith_short_8: 3TIN7EKX

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/3TIN7EKXM2BJM7ZSNWKMZV757U \
  | 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: dcd0df91576682967f326d94ccd7fdfd192de6e519ea50b853012daa77216fdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce69064adba2ba3318f7c02f35d289ed7729a392922635f3a1bc50129a7eb51a",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-08-06T23:45:34Z",
    "title_canon_sha256": "4c8b815d72186c8e75f1ffbddb8c7d02e8f4f26eaaf712d9a53387b2f8fbee40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02400",
    "kind": "arxiv",
    "version": 1
  }
}