Pith Number

pith:OPWZFYLX

pith:2017:OPWZFYLXQ6RLI3W5RCHU7KAWCG

not attested not anchored not stored refs pending

Secure Classification With Augmented Features

Chenping Hou, Dewen Hu, Ling-Li Zeng

arxiv:1711.00239 v1 · 2017-11-01 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OPWZFYLXQ6RLI3W5RCHU7KAWCG}

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	2026-05-18T00:31:34.694144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73ed92e17787a2b46edd888f4fa816119c8bdd226580fa2d253c20cc17a676d3

Aliases

arxiv: 1711.00239 · arxiv_version: 1711.00239v1 · doi: 10.48550/arxiv.1711.00239 · pith_short_12: OPWZFYLXQ6RL · pith_short_16: OPWZFYLXQ6RLI3W5 · pith_short_8: OPWZFYLX

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/OPWZFYLXQ6RLI3W5RCHU7KAWCG \
  | 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: 73ed92e17787a2b46edd888f4fa816119c8bdd226580fa2d253c20cc17a676d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcc4348b06106192b076a8a634944075fd766b626d5c80fef49038d1858ad625",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-11-01T07:57:54Z",
    "title_canon_sha256": "3a7c995f86bc9c52371a714e6973c9057bdb0c3ee630d03a9329039b612a8db0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.00239",
    "kind": "arxiv",
    "version": 1
  }
}