Pith Number

pith:WIB7WFAR

pith:2010:WIB7WFARBPKSJS5JOTUQ7G4AVX

not attested not anchored not stored refs pending

Improving Semi-Supervised Support Vector Machines Through Unlabeled Instances Selection

Yu-Feng Li, Zhi-Hua Zhou

arxiv:1005.1545 v2 · 2010-05-10 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WIB7WFARBPKSJS5JOTUQ7G4AVX}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T04:22:40.394500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b203fb14110bd524cba974e90f9b80adcb84c28c30f5857b1c20ccc11f99bb6d

Aliases

arxiv: 1005.1545 · arxiv_version: 1005.1545v2 · doi: 10.48550/arxiv.1005.1545 · pith_short_12: WIB7WFARBPKS · pith_short_16: WIB7WFARBPKSJS5J · pith_short_8: WIB7WFAR

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/WIB7WFARBPKSJS5JOTUQ7G4AVX \
  | 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: b203fb14110bd524cba974e90f9b80adcb84c28c30f5857b1c20ccc11f99bb6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9316c3bc608b815508aa39dc5c4144501346ce15c7ff11b1445a45a4dd1a3cdc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2010-05-10T13:49:01Z",
    "title_canon_sha256": "f1d8447782fb9e1094b600ea7de762b353bac5a76e7fd0cfc3d4bd637ffd3c04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.1545",
    "kind": "arxiv",
    "version": 2
  }
}