Pith Number

pith:AFPOEONV

pith:2020:AFPOEONVO4CGOM6IXJFFS5BFRY

not attested not anchored not stored refs pending

Second-order Neural Network Training Using Complex-step Directional Derivative

Chenfanfu Jiang, Feng Luo, Kun Zhou, Siyuan Shen, Tianjia Shao, Yin Yang

arxiv:2009.07098 v1 · 2020-09-15 · cs.LG · stat.ML

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\usepackage{pith}
\pithnumber{AFPOEONVO4CGOM6IXJFFS5BFRY}

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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

1 paper in Pith

A Mathematical Framework and Software Implementation for Uncertainty Visualisation

Receipt and verification

First computed	2026-07-05T01:35:40.683707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

015ee239b577046733c8ba4a5974258e07411d55fa1daf545b270e82ddf83b72

Aliases

arxiv: 2009.07098 · arxiv_version: 2009.07098v1 · doi: 10.48550/arxiv.2009.07098 · pith_short_12: AFPOEONVO4CG · pith_short_16: AFPOEONVO4CGOM6I · pith_short_8: AFPOEONV

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/AFPOEONVO4CGOM6IXJFFS5BFRY \
  | 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: 015ee239b577046733c8ba4a5974258e07411d55fa1daf545b270e82ddf83b72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99f815211b041f42fdeca2475bbb7f19b13a6ffec0585f3a3605152051fe4cf4",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-09-15T13:46:57Z",
    "title_canon_sha256": "b6b959b47233a5fa21e91954c04e705a15a4da6853c2d936a18705273a018824"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.07098",
    "kind": "arxiv",
    "version": 1
  }
}