Pith Number

pith:WA3BFRXS

pith:2020:WA3BFRXSJOVGRYCJDPH4T3C45M

not attested not anchored not stored refs pending

Neural Prototype Trees for Interpretable Fine-grained Image Recognition

Christin Seifert, Meike Nauta, Ron van Bree

arxiv:2012.02046 v2 · 2020-12-03 · cs.CV · cs.AI · 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{WA3BFRXSJOVGRYCJDPH4T3C45M}

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	2026-07-05T02:32:14.273695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b03612c6f24baa68e0491bcfc9ec5ceb22039573015b83bfab34b0b5189aed03

Aliases

arxiv: 2012.02046 · arxiv_version: 2012.02046v2 · doi: 10.48550/arxiv.2012.02046 · pith_short_12: WA3BFRXSJOVG · pith_short_16: WA3BFRXSJOVGRYCJ · pith_short_8: WA3BFRXS

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/WA3BFRXSJOVGRYCJDPH4T3C45M \
  | 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: b03612c6f24baa68e0491bcfc9ec5ceb22039573015b83bfab34b0b5189aed03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd006c59c2a31e5199f6841874d6d709561c451ec4829131cce05770569b5430",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-12-03T16:28:04Z",
    "title_canon_sha256": "149cac49fc5ceea134760660efbfe58568ec259e9dc93a1bfa1e9bc268e75a65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.02046",
    "kind": "arxiv",
    "version": 2
  }
}