Pith Number

pith:SDA6U6QR

pith:2013:SDA6U6QR656KJSA37GJHM6EF4E

not attested not anchored not stored refs pending

Multi-View Learning for Web Spam Detection

Ali Hadian, Behrouz Minaei-Bidgoli

arxiv:1305.3814 v2 · 2013-05-16 · cs.IR · 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{SDA6U6QR656KJSA37GJHM6EF4E}

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	2026-05-18T03:17:44.166998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90c1ea7a11f77ca4c81bf992767885e10ec253edc9ace57f2272bff0c395638c

Aliases

arxiv: 1305.3814 · arxiv_version: 1305.3814v2 · doi: 10.48550/arxiv.1305.3814 · pith_short_12: SDA6U6QR656K · pith_short_16: SDA6U6QR656KJSA3 · pith_short_8: SDA6U6QR

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/SDA6U6QR656KJSA37GJHM6EF4E \
  | 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: 90c1ea7a11f77ca4c81bf992767885e10ec253edc9ace57f2272bff0c395638c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "956133d473a206fe0675c73a2982637e2fb3d4c64e9502ec30389724b7d6b0c5",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2013-05-16T14:11:02Z",
    "title_canon_sha256": "0855c8c9982a7c3d11a5096c14ccab2c99c1211e6219bc117c79ec1268eae127"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3814",
    "kind": "arxiv",
    "version": 2
  }
}