Pith Number

pith:AP23KQKO

pith:2020:AP23KQKOECMAB4MJXO3NFQS5JZ

not attested not anchored not stored refs pending

Top-Down Networks: A coarse-to-fine reimagination of CNNs

Ioannis Lelekas, Jan C. van Gemert, Nergis Tomen, Silvia L. Pintea

arxiv:2004.07629 v1 · 2020-04-16 · cs.CV · 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{AP23KQKOECMAB4MJXO3NFQS5JZ}

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	2026-07-05T00:55:35.172357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03f5b5414e209800f189bbb6d2c25d4e62fa8c91813adee1fc413bbc97aa03ac

Aliases

arxiv: 2004.07629 · arxiv_version: 2004.07629v1 · doi: 10.48550/arxiv.2004.07629 · pith_short_12: AP23KQKOECMA · pith_short_16: AP23KQKOECMAB4MJ · pith_short_8: AP23KQKO

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/AP23KQKOECMAB4MJXO3NFQS5JZ \
  | 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: 03f5b5414e209800f189bbb6d2c25d4e62fa8c91813adee1fc413bbc97aa03ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2641c400510a92a2c2faa24bfb9986b48a76f3b32bbc275a28fdbc5c3eb5b3b0",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-04-16T12:29:48Z",
    "title_canon_sha256": "a838244098fa9a83684d77f47eaef8955d279c4ee010983682990b98a70ad02f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.07629",
    "kind": "arxiv",
    "version": 1
  }
}