Pith Number

pith:FIQ4VFYO

pith:2021:FIQ4VFYOZ3ZJFQAMZOIKHTG7OD

not attested not anchored not stored refs pending

Involution: Inverting the Inherence of Convolution for Visual Recognition

Changhu Wang, Duo Li, Jie Hu, Lei Zhu, Qifeng Chen, Qi She, Tong Zhang, Xiangtai Li

arxiv:2103.06255 v2 · 2021-03-10 · 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{FIQ4VFYOZ3ZJFQAMZOIKHTG7OD}

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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	2026-07-05T02:31:04.747405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a21ca970ecef292c00ccb90a3ccdf70cf8baf8c3b09f71e5b5b6b4d0838f153

Aliases

arxiv: 2103.06255 · arxiv_version: 2103.06255v2 · doi: 10.48550/arxiv.2103.06255 · pith_short_12: FIQ4VFYOZ3ZJ · pith_short_16: FIQ4VFYOZ3ZJFQAM · pith_short_8: FIQ4VFYO

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/FIQ4VFYOZ3ZJFQAMZOIKHTG7OD \
  | 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: 2a21ca970ecef292c00ccb90a3ccdf70cf8baf8c3b09f71e5b5b6b4d0838f153

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00a9b702835c8df91c697f5874cf586cafbc4dfc6193bcd2425e727b7bcdf1d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-10T18:40:46Z",
    "title_canon_sha256": "1c73839e449d9a06d2451eef091af24067c64b95aa9fa98ab0b5df25dfbf33e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.06255",
    "kind": "arxiv",
    "version": 2
  }
}