Pith Number

pith:CN3MHJPS

pith:2017:CN3MHJPSLO4HBC5LMC7LY6EEEC

not attested not anchored not stored refs pending

General Backpropagation Algorithm for Training Second-order Neural Networks

Fenglei Fan, Ge Wang, Wenxiang Cong

arxiv:1708.06243 v1 · 2017-08-17 · cs.LG · 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{CN3MHJPSLO4HBC5LMC7LY6EEEC}

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	2026-05-18T00:37:42.821576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1376c3a5f25bb8708bab60bebc78842092e488826ac685a6fc7574c420dae8a6

Aliases

arxiv: 1708.06243 · arxiv_version: 1708.06243v1 · doi: 10.48550/arxiv.1708.06243 · pith_short_12: CN3MHJPSLO4H · pith_short_16: CN3MHJPSLO4HBC5L · pith_short_8: CN3MHJPS

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/CN3MHJPSLO4HBC5LMC7LY6EEEC \
  | 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: 1376c3a5f25bb8708bab60bebc78842092e488826ac685a6fc7574c420dae8a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d05a97e66cc197b57f55976c676a078d8980032b81908e8c04235c1eb10be980",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-08-17T21:42:22Z",
    "title_canon_sha256": "80193e24d2a9e33cc2eb379162d30af5d914459642f8fc55ef5dae9a1f7b4937"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.06243",
    "kind": "arxiv",
    "version": 1
  }
}