Pith Number

pith:JR4IKQ7U

pith:2019:JR4IKQ7UGXBRXZDSNXEOHCZ4W7

not attested not anchored not stored refs pending

Identity Preserve Transform: Understand What Activity Classification Models Have Learnt

Alan Yuille, Jialing Lyu, Weichao Qiu, Xinyue Wei, Yi Zhang, Zheng-Jun Zha

arxiv:1912.06314 v1 · 2019-12-13 · 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{JR4IKQ7UGXBRXZDSNXEOHCZ4W7}

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	2026-07-05T00:25:59.246473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c788543f435c31be4726dc8e38b3cb7d7605c4a86c0e77998cfe5efab4c558a

Aliases

arxiv: 1912.06314 · arxiv_version: 1912.06314v1 · doi: 10.48550/arxiv.1912.06314 · pith_short_12: JR4IKQ7UGXBR · pith_short_16: JR4IKQ7UGXBRXZDS · pith_short_8: JR4IKQ7U

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/JR4IKQ7UGXBRXZDSNXEOHCZ4W7 \
  | 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: 4c788543f435c31be4726dc8e38b3cb7d7605c4a86c0e77998cfe5efab4c558a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc514b22a2eefe582653d750512cce77fcdbb212074c256849ec601bfd2e5d32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-12-13T03:55:07Z",
    "title_canon_sha256": "fb3aa0a49ff6a8c393d29a45f2b7a46b19b5f3287f10775375c83d4dd8195b18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.06314",
    "kind": "arxiv",
    "version": 1
  }
}