Pith Number

pith:2QAVXRKL

pith:2014:2QAVXRKL4PMCZZGR3DOR2UQH46

not attested not anchored not stored refs pending

Semi-supervised Feature Analysis by Mining Correlations among Multiple Tasks

Xiaojun Chang, Yi Yang

arxiv:1411.6232 v2 · 2014-11-23 · 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{2QAVXRKL4PMCZZGR3DOR2UQH46}

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	2026-05-18T00:40:41.993703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4015bc54be3d82ce4d1d8dd1d5207e7a6628d1a20fc39b9511f8c0c75b899aa

Aliases

arxiv: 1411.6232 · arxiv_version: 1411.6232v2 · doi: 10.48550/arxiv.1411.6232 · pith_short_12: 2QAVXRKL4PMC · pith_short_16: 2QAVXRKL4PMCZZGR · pith_short_8: 2QAVXRKL

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/2QAVXRKL4PMCZZGR3DOR2UQH46 \
  | 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: d4015bc54be3d82ce4d1d8dd1d5207e7a6628d1a20fc39b9511f8c0c75b899aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab7236baef10cde4789d8c5977e0a9a6b8359f3a08175195e24621920bb3b0e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-11-23T13:00:18Z",
    "title_canon_sha256": "1ad97e17bd391b34474ae48271740399c458337c3d4a908f0c4baa2126a51fe8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.6232",
    "kind": "arxiv",
    "version": 2
  }
}