Pith Number

pith:XBBVDXKO

pith:2018:XBBVDXKO2PXWOR55BH5DRMD4TZ

not attested not anchored not stored refs pending

Deep learning for pedestrians: backpropagation in CNNs

Laurent Bou\'e

arxiv:1811.11987 v1 · 2018-11-29 · cs.LG · cs.AI · cs.CV · cs.SC · 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{XBBVDXKO2PXWOR55BH5DRMD4TZ}

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	2026-05-17T23:59:34.823259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b84351dd4ed3ef6747bd09fa38b07c9e6ecabfaf946d842ecc8ecb045ea83898

Aliases

arxiv: 1811.11987 · arxiv_version: 1811.11987v1 · doi: 10.48550/arxiv.1811.11987 · pith_short_12: XBBVDXKO2PXW · pith_short_16: XBBVDXKO2PXWOR55 · pith_short_8: XBBVDXKO

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/XBBVDXKO2PXWOR55BH5DRMD4TZ \
  | 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: b84351dd4ed3ef6747bd09fa38b07c9e6ecabfaf946d842ecc8ecb045ea83898

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fce4b3e10d1cf49a3b89f2e21c238f1d21b5a4d24577f4aef0312a2535d2d0b3",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV",
      "cs.SC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-11-29T07:00:09Z",
    "title_canon_sha256": "a184c6edcda5895982f18a3ba3b7ed11771fcd269c3bb0f272eef3c7f9b632ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.11987",
    "kind": "arxiv",
    "version": 1
  }
}