Pith Number

pith:KNEIYOGE

pith:2019:KNEIYOGEA6XYCOQKCDUIIKXJPS

not attested not anchored not stored refs pending

Negative eigenvalues of the Hessian in deep neural networks

Guillaume Alain, Nicolas Le Roux, Pierre-Antoine Manzagol

arxiv:1902.02366 v1 · 2019-02-06 · cs.LG · math.OC · 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{KNEIYOGEA6XYCOQKCDUIIKXJPS}

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	2026-05-17T23:54:33.648964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53488c38c407af813a0a10e8842ae97cb04ef1cd473305a9d0470063e581dc12

Aliases

arxiv: 1902.02366 · arxiv_version: 1902.02366v1 · doi: 10.48550/arxiv.1902.02366 · pith_short_12: KNEIYOGEA6XY · pith_short_16: KNEIYOGEA6XYCOQK · pith_short_8: KNEIYOGE

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/KNEIYOGEA6XYCOQKCDUIIKXJPS \
  | 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: 53488c38c407af813a0a10e8842ae97cb04ef1cd473305a9d0470063e581dc12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6afd6abfefc9bb7d91ab05902aff2e070f329131edd35ddc48f4f9938ad7c54",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-02-06T19:18:13Z",
    "title_canon_sha256": "00e2fe6084e12ce3199112378c797d8a6472434a65a6e42d080fe7c627884b6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02366",
    "kind": "arxiv",
    "version": 1
  }
}