Pith Number

pith:APXIM5MG

pith:2020:APXIM5MGF7WQDNA73K7NNF56PR

not attested not anchored not stored refs pending

Multiplication fusion of sparse and collaborative-competitive representation for image classification

He-Feng Yin, Jun Sun, Xiao-Jun Wu, Zi-Qi Li

arxiv:2001.07090 v1 · 2020-01-20 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{APXIM5MGF7WQDNA73K7NNF56PR}

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	2026-07-05T00:34:27.393288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03ee8675862fed01b41fdabed697be7c74f2d8c7de47d34160302eb63e8f5c1b

Aliases

arxiv: 2001.07090 · arxiv_version: 2001.07090v1 · doi: 10.48550/arxiv.2001.07090 · pith_short_12: APXIM5MGF7WQ · pith_short_16: APXIM5MGF7WQDNA7 · pith_short_8: APXIM5MG

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/APXIM5MGF7WQDNA73K7NNF56PR \
  | 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: 03ee8675862fed01b41fdabed697be7c74f2d8c7de47d34160302eb63e8f5c1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8251fb71fa65400fd28b4dc38b414de7bbfc90bb8e7dfb83aa5829636a661ae3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-01-20T12:55:55Z",
    "title_canon_sha256": "4512bd15acfc92edef5c1ad2589bc6d54b4cd7883fbf9e7a600e760ab3ab0f1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.07090",
    "kind": "arxiv",
    "version": 1
  }
}