Pith Number

pith:LB67U5BX

pith:2017:LB67U5BXE3MGXFOZFHWLT2PW3G

not attested not anchored not stored refs pending

Discriminative Nonlinear Analysis Operator Learning: When Cosparse Model Meets Image Classification

Biao Hou, Licheng Jiao, Zaidao Wen

arxiv:1705.00322 v1 · 2017-04-30 · 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{LB67U5BXE3MGXFOZFHWLT2PW3G}

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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	2026-05-18T00:45:04.703419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

587dfa743726d86b95d929ecb9e9f6d9bfe3c6ebb0c4d77b55afd77ac899ea42

Aliases

arxiv: 1705.00322 · arxiv_version: 1705.00322v1 · doi: 10.48550/arxiv.1705.00322 · pith_short_12: LB67U5BXE3MG · pith_short_16: LB67U5BXE3MGXFOZ · pith_short_8: LB67U5BX

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/LB67U5BXE3MGXFOZFHWLT2PW3G \
  | 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: 587dfa743726d86b95d929ecb9e9f6d9bfe3c6ebb0c4d77b55afd77ac899ea42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22757416e882f1eb9951545c037088c35c45fba8f0e363aa9daedcdd61779b49",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-04-30T15:09:22Z",
    "title_canon_sha256": "ecccabde713a9b9c50913a31ff6a3323703867a73cbfb1de2c428620e68ef48f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.00322",
    "kind": "arxiv",
    "version": 1
  }
}