Pith Number

pith:B7L6AGHI

pith:2015:B7L6AGHIAICOX3FFC3PJACQ74C

not attested not anchored not stored refs pending

Invariant backpropagation: how to train a transformation-invariant neural network

Christopher Leckie, James Bailey, Ramamohanarao Kotagiri, Sergey Demyanov

arxiv:1502.04434 v3 · 2015-02-16 · stat.ML · cs.LG · cs.NE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B7L6AGHIAICOX3FFC3PJACQ74C}

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	2026-05-18T01:22:50.821756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fd7e018e80204ebeca516de900a1fe08fd26ba0861cc64fbf97920932776fba

Aliases

arxiv: 1502.04434 · arxiv_version: 1502.04434v3 · doi: 10.48550/arxiv.1502.04434 · pith_short_12: B7L6AGHIAICO · pith_short_16: B7L6AGHIAICOX3FF · pith_short_8: B7L6AGHI

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/B7L6AGHIAICOX3FFC3PJACQ74C \
  | 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: 0fd7e018e80204ebeca516de900a1fe08fd26ba0861cc64fbf97920932776fba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "878d1eea921e4dfdec8e1e11a806f2f7c9dcde2c51ecbbabb01dc687db5c2b19",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-02-16T06:28:35Z",
    "title_canon_sha256": "51026e420f734263f2e58b31d3089a7f7ffe2c4e375bd45f6c8c387f77ba03b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04434",
    "kind": "arxiv",
    "version": 3
  }
}