Pith Number

pith:Q77QOOGP

pith:2018:Q77QOOGPSSP5Z4R7KOI2LPKO6A

not attested not anchored not stored refs pending

Neural Nets via Forward State Transformation and Backward Loss Transformation

Bart Jacobs, David Sprunger

arxiv:1803.09356 v1 · 2018-03-25 · cs.NE · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q77QOOGPSSP5Z4R7KOI2LPKO6A}

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	2026-05-18T00:20:11.884758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87ff0738cf949fdcf23f5391a5bd4ef00d8067d1123d4704e032e7bd93fcea3b

Aliases

arxiv: 1803.09356 · arxiv_version: 1803.09356v1 · doi: 10.48550/arxiv.1803.09356 · pith_short_12: Q77QOOGPSSP5 · pith_short_16: Q77QOOGPSSP5Z4R7 · pith_short_8: Q77QOOGP

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/Q77QOOGPSSP5Z4R7KOI2LPKO6A \
  | 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: 87ff0738cf949fdcf23f5391a5bd4ef00d8067d1123d4704e032e7bd93fcea3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b811e075d5dd4efdac559ed69c2375e6eeb5b29d3348f367de35c624aaa01ddd",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2018-03-25T22:01:32Z",
    "title_canon_sha256": "f5729e1312f66d5bf8c9dffead7383f6d2609e736961fbe045ea1eb7ad366fef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09356",
    "kind": "arxiv",
    "version": 1
  }
}