Pith Number

pith:Y42IYCUK

pith:2018:Y42IYCUKJUMENYB2MNMJFSYJ47

not attested not anchored not stored refs pending

A Hierarchical Multi-task Approach for Learning Embeddings from Semantic Tasks

Sebastian Ruder, Thomas Wolf, Victor Sanh

arxiv:1811.06031 v2 · 2018-11-14 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y42IYCUKJUMENYB2MNMJFSYJ47}

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	2026-05-17T23:59:57.414927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7348c0a8a4d1846e03a635892cb09e7c93e494e57697fb577db4477fc0ef5d9

Aliases

arxiv: 1811.06031 · arxiv_version: 1811.06031v2 · doi: 10.48550/arxiv.1811.06031 · pith_short_12: Y42IYCUKJUME · pith_short_16: Y42IYCUKJUMENYB2 · pith_short_8: Y42IYCUK

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/Y42IYCUKJUMENYB2MNMJFSYJ47 \
  | 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: c7348c0a8a4d1846e03a635892cb09e7c93e494e57697fb577db4477fc0ef5d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e775266f8cd0eacc29c71b8467825531ad31956b82163f23c311122d96bdb572",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-11-14T19:42:03Z",
    "title_canon_sha256": "8567ac358f9ffc52e982ed7d7d067428bb088835901e38d55eff525f01bd5afc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.06031",
    "kind": "arxiv",
    "version": 2
  }
}