Pith Number

pith:JLNUQZ7Q

pith:2013:JLNUQZ7QDHK6YJC7MEOPCMITPH

not attested not anchored not stored refs pending

Accelerating Hessian-free optimization for deep neural networks by implicit preconditioning and sampling

Aleksandr Y. Aravkin, Bhuvana Ramabhadran, Brian Kingsbury, Lior Horesh, Tara N. Sainath

arxiv:1309.1508 v3 · 2013-09-05 · cs.LG · cs.CL · cs.NE · 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{JLNUQZ7QDHK6YJC7MEOPCMITPH}

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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.

Receipt and verification

First computed	2026-05-18T03:05:09.609565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4adb4867f019d5ec245f611cf1311379f723703348c35d15a535a5d5b0ec8078

Aliases

arxiv: 1309.1508 · arxiv_version: 1309.1508v3 · doi: 10.48550/arxiv.1309.1508 · pith_short_12: JLNUQZ7QDHK6 · pith_short_16: JLNUQZ7QDHK6YJC7 · pith_short_8: JLNUQZ7Q

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/JLNUQZ7QDHK6YJC7MEOPCMITPH \
  | 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: 4adb4867f019d5ec245f611cf1311379f723703348c35d15a535a5d5b0ec8078

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77e88ed442e0725dcf2a29be13876df579c15b38b6e43575b8deb08ca3a2573e",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.NE",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-09-05T23:21:02Z",
    "title_canon_sha256": "805559c6bda5029faa09adfdb2690fde82fc6f6853d5f9d5320be23d0a1e5a94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1508",
    "kind": "arxiv",
    "version": 3
  }
}