Pith Number

pith:NCJLQUIF

pith:2019:NCJLQUIFQZQZTGV4HT2F6X3GHH

not attested not anchored not stored refs pending

An Investigation into Neural Net Optimization via Hessian Eigenvalue Density

Behrooz Ghorbani, Shankar Krishnan, Ying Xiao

arxiv:1901.10159 v1 · 2019-01-29 · cs.LG · stat.ML

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NCJLQUIFQZQZTGV4HT2F6X3GHH}

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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.

Cited by

5 papers in Pith

Non-normal spectral signatures of instability in neural network training dynamics

Hessian based analysis of SGD for Deep Nets: Dynamics and Generalization

Scaling Laws for Transfer

A General Language Assistant as a Laboratory for Alignment

Language Models (Mostly) Know What They Know

Receipt and verification

First computed	2026-05-17T23:55:15.995900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6892b851058661999abc3cf45f5f6639ee9f37ed04a66d971d6fa8e49bb540cc

Aliases

arxiv: 1901.10159 · arxiv_version: 1901.10159v1 · doi: 10.48550/arxiv.1901.10159 · pith_short_12: NCJLQUIFQZQZ · pith_short_16: NCJLQUIFQZQZTGV4 · pith_short_8: NCJLQUIF

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/NCJLQUIFQZQZTGV4HT2F6X3GHH \
  | 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: 6892b851058661999abc3cf45f5f6639ee9f37ed04a66d971d6fa8e49bb540cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c40bb2b5c82efcc953f4f50419be2ecf645080f933eb2a91febb7839468f54d",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-01-29T08:24:10Z",
    "title_canon_sha256": "0739269d27617185c4d4b143acfe66603c03c1ffeb0b5b30fb86539ec620dc17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.10159",
    "kind": "arxiv",
    "version": 1
  }
}