Pith Number

pith:X7BES3L7

pith:2013:X7BES3L7NLMFI2HYCBPBMFYF3G

not attested not anchored not stored refs pending

Constrained Bayesian Inference for Low Rank Multitask Learning

Joydeep Ghosh, Oluwasanmi Koyejo

arxiv:1309.6840 v1 · 2013-09-26 · 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{X7BES3L7NLMFI2HYCBPBMFYF3G}

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	2026-05-18T03:12:10.175941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfc2496d7f6ad85468f8105e161705d9863d88107b31ccc58d251ae5855e8ab0

Aliases

arxiv: 1309.6840 · arxiv_version: 1309.6840v1 · doi: 10.48550/arxiv.1309.6840 · pith_short_12: X7BES3L7NLMF · pith_short_16: X7BES3L7NLMFI2HY · pith_short_8: X7BES3L7

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/X7BES3L7NLMFI2HYCBPBMFYF3G \
  | 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: bfc2496d7f6ad85468f8105e161705d9863d88107b31ccc58d251ae5855e8ab0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "088553a91adeb0ce17e138b92b55ab80318a09073808e8df4cfa5d1df3383258",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-09-26T12:42:25Z",
    "title_canon_sha256": "15fd6696c7e94b29c809b967a094973bd79fecf9607dfdbdf30d8db42ef141f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6840",
    "kind": "arxiv",
    "version": 1
  }
}