Pith Number

pith:2O7NXQXK

pith:2013:2O7NXQXKKNF367LWXCZEVMIZM6

not attested not anchored not stored refs pending

The trace norm constrained matrix-variate Gaussian process for multitask bipartite ranking

Cheng Lee, Joydeep Ghosh, Oluwasanmi Koyejo

arxiv:1302.2576 v1 · 2013-02-11 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2O7NXQXKKNF367LWXCZEVMIZM6}

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	2026-05-18T03:34:00.748724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3bedbc2ea534bbf7d76b8b24ab11967acd0aa5cd15b64ddaa87335362c8472b

Aliases

arxiv: 1302.2576 · arxiv_version: 1302.2576v1 · doi: 10.48550/arxiv.1302.2576 · pith_short_12: 2O7NXQXKKNF3 · pith_short_16: 2O7NXQXKKNF367LW · pith_short_8: 2O7NXQXK

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/2O7NXQXKKNF367LWXCZEVMIZM6 \
  | 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: d3bedbc2ea534bbf7d76b8b24ab11967acd0aa5cd15b64ddaa87335362c8472b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b99bea0162c1454ce87775ec15dc7a7996aab25e9df27f8e6de6ec31f36701f",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-02-11T19:16:25Z",
    "title_canon_sha256": "ea10c70d294e755bc6af1e8277a0162fc6036a0d4086934b22729af4feffddef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2576",
    "kind": "arxiv",
    "version": 1
  }
}