Pith Number

pith:5NARMQS5

pith:2012:5NARMQS5XDB5CMP3IKTMEOB7MJ

not attested not anchored not stored refs pending

Infinite Shift-invariant Grouped Multi-task Learning for Gaussian Processes

Pavlos Protopapas, Roni Khardon, Yuyang Wang

arxiv:1203.0970 v2 · 2012-03-05 · cs.LG · astro-ph.IM · 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{5NARMQS5XDB5CMP3IKTMEOB7MJ}

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	2026-05-18T02:21:17.269204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb4116425db8c3d131fb42a6c2383f625384a67b6b6d17ebcefe23706f1ecd06

Aliases

arxiv: 1203.0970 · arxiv_version: 1203.0970v2 · doi: 10.48550/arxiv.1203.0970 · pith_short_12: 5NARMQS5XDB5 · pith_short_16: 5NARMQS5XDB5CMP3 · pith_short_8: 5NARMQS5

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/5NARMQS5XDB5CMP3IKTMEOB7MJ \
  | 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: eb4116425db8c3d131fb42a6c2383f625384a67b6b6d17ebcefe23706f1ecd06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7167f77b94a80d516997a3b6d6d71de96a66f9de2b1de03164b9ff70e58e2f91",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-03-05T17:07:10Z",
    "title_canon_sha256": "6c73b41ddd3fec72702a8e713e246ab565632248ee93d29454f32dde6e2a41bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0970",
    "kind": "arxiv",
    "version": 2
  }
}