Pith Number

pith:LX7AOAWG

pith:2022:LX7AOAWG7PNCEUKLXCXFNPFSID

not attested not anchored not stored refs pending

Smart System: Joint Utility and Frequency for Pattern Classification

Chien-Ming Chen, Jiahui Chen, Qi Lin, Wensheng Gan, Yongdong Wu

arxiv:2206.04269 v1 · 2022-06-09 · cs.AI · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LX7AOAWG7PNCEUKLXCXFNPFSID}

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	2026-07-05T04:30:24.921178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5dfe0702c6fbda22514bb8ae56bcb240e01c0dc3f9cac6d72a60b3fb5b0d86b7

Aliases

arxiv: 2206.04269 · arxiv_version: 2206.04269v1 · doi: 10.48550/arxiv.2206.04269 · pith_short_12: LX7AOAWG7PNC · pith_short_16: LX7AOAWG7PNCEUKL · pith_short_8: LX7AOAWG

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/LX7AOAWG7PNCEUKLXCXFNPFSID \
  | 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: 5dfe0702c6fbda22514bb8ae56bcb240e01c0dc3f9cac6d72a60b3fb5b0d86b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd57e34d48d2fbd82d4d54f311bca74f3cb43676d836adfde97098aee432552c",
    "cross_cats_sorted": [
      "cs.DB"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2022-06-09T04:32:26Z",
    "title_canon_sha256": "1ed0f20ebdf9d5e6cbf99d08899aa400235d997e976fab4933738fb5dde000ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.04269",
    "kind": "arxiv",
    "version": 1
  }
}