Pith Number

pith:2V7TDPOO

pith:2017:2V7TDPOOG6TW554JGBAVNDIOPT

not attested not anchored not stored refs pending

A Saak Transform Approach to Efficient, Scalable and Robust Handwritten Digits Recognition

C.-C. Jay Kuo, Shanshan Cai, Yueru Chen, Yujian Lang, Zhuwei Xu

arxiv:1710.10714 v1 · 2017-10-29 · 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{2V7TDPOOG6TW554JGBAVNDIOPT}

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	2026-05-18T00:31:46.702528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d57f31bdce37a76ef7893041568d0e7cd76a53797b18647149344dd18d6dc506

Aliases

arxiv: 1710.10714 · arxiv_version: 1710.10714v1 · doi: 10.48550/arxiv.1710.10714 · pith_short_12: 2V7TDPOOG6TW · pith_short_16: 2V7TDPOOG6TW554J · pith_short_8: 2V7TDPOO

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/2V7TDPOOG6TW554JGBAVNDIOPT \
  | 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: d57f31bdce37a76ef7893041568d0e7cd76a53797b18647149344dd18d6dc506

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "671bf71b384ccfe0ef69cade744597c4db8bed52645cc9696a0e4c5d45b1fe03",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-10-29T23:05:03Z",
    "title_canon_sha256": "836b6bc4b07b3c41e9fbbbd82d7a0dde0bf6684cc9bb09b12b4bdbc0278da26c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.10714",
    "kind": "arxiv",
    "version": 1
  }
}