Pith Number

pith:ITOREC4R

pith:2017:ITOREC4RQS5WMTSOCECHEVBHRK

not attested not anchored not stored refs pending

Efficient Multitask Feature and Relationship Learning

Alex Smola, Geoff Gordon, Han Zhao, Otilia Stretcu

arxiv:1702.04423 v3 · 2017-02-14 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ITOREC4RQS5WMTSOCECHEVBHRK}

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	2026-05-17T23:41:01.566993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44dd120b9184bb664e4e11047254278a905c02cbf00dd5825264cfb432f6cf86

Aliases

arxiv: 1702.04423 · arxiv_version: 1702.04423v3 · doi: 10.48550/arxiv.1702.04423 · pith_short_12: ITOREC4RQS5W · pith_short_16: ITOREC4RQS5WMTSO · pith_short_8: ITOREC4R

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/ITOREC4RQS5WMTSOCECHEVBHRK \
  | 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: 44dd120b9184bb664e4e11047254278a905c02cbf00dd5825264cfb432f6cf86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b062bf753d89726ac55aa0ff492cb2a13d15cff6880e897daabff7496eb08c5",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-02-14T23:43:32Z",
    "title_canon_sha256": "64531d46551a4823105b277bf3d1d848186b2b0d5b614a496ff7d569aa724065"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.04423",
    "kind": "arxiv",
    "version": 3
  }
}