Pith Number

pith:IHPWYD7E

pith:2014:IHPWYD7EKJPKPA3UTV3HSJNJOF

not attested not anchored not stored refs pending

A Unifying Framework for Typical Multi-Task Multiple Kernel Learning Problems

Cong Li, Georgios C. Anagnostopoulos, Michael Georgiopoulos

arxiv:1401.5136 v1 · 2014-01-21 · 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{IHPWYD7EKJPKPA3UTV3HSJNJOF}

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	2026-05-18T03:01:34.804656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41df6c0fe4525ea783749d767925a971594d21bf73bcfb866322a1ce98d1fb52

Aliases

arxiv: 1401.5136 · arxiv_version: 1401.5136v1 · doi: 10.48550/arxiv.1401.5136 · pith_short_12: IHPWYD7EKJPK · pith_short_16: IHPWYD7EKJPKPA3U · pith_short_8: IHPWYD7E

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/IHPWYD7EKJPKPA3UTV3HSJNJOF \
  | 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: 41df6c0fe4525ea783749d767925a971594d21bf73bcfb866322a1ce98d1fb52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9c1f374e15b29e7316fd797af99a8cc78af36180a7ea1c7f341287ae4644a63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-01-21T01:16:44Z",
    "title_canon_sha256": "678f0d928149580e4717bc120e737af0866a205976380b693d13189003716960"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5136",
    "kind": "arxiv",
    "version": 1
  }
}