pith. sign in
Pith Number

pith:ASLRKP46

pith:2019:ASLRKP46QAH6LI3WM35NYPUSTP
not attested not anchored not stored refs pending

Efficient Semi-Supervised Learning for Natural Language Understanding by Optimizing Diversity

Eunah Cho, He Xie, John P. Lalor, Varun Kumar, William M. Campbell

arxiv:1910.04196 v1 · 2019-10-09 · cs.CL

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ASLRKP46QAH6LI3WM35NYPUSTP}

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 2026-07-05T00:11:05.809612Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

0497153f9e800fe5a37666fadc3e929bca76b352b6a8493088b5bdd94d8d2251

Aliases

arxiv: 1910.04196 · arxiv_version: 1910.04196v1 · doi: 10.48550/arxiv.1910.04196 · pith_short_12: ASLRKP46QAH6 · pith_short_16: ASLRKP46QAH6LI3W · pith_short_8: ASLRKP46
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ASLRKP46QAH6LI3WM35NYPUSTP \
  | 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: 0497153f9e800fe5a37666fadc3e929bca76b352b6a8493088b5bdd94d8d2251
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e54edeb0c50e778e9af4c1e3bab2b92c742ed31ffb104cf8196510e74d48d990",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-10-09T18:34:17Z",
    "title_canon_sha256": "567e84da120b0558e72215b5a78866324649ba35487a0557986606f463252ae5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.04196",
    "kind": "arxiv",
    "version": 1
  }
}