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Pith Number

pith:WXM3UFDF

pith:2021:WXM3UFDFJOQXKNATW2NS3T5Z23
not attested not anchored not stored refs pending

Active Learning by Acquiring Contrastive Examples

Giorgos Vernikos, Katerina Margatina, Lo\"ic Barrault, Nikolaos Aletras

arxiv:2109.03764 v1 · 2021-09-08 · cs.CL · cs.AI · cs.LG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{WXM3UFDFJOQXKNATW2NS3T5Z23}

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.

Cited by

3 papers in Pith

Receipt and verification
First computed 2026-07-05T03:12:42.880124Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b5d9ba14654ba1753413b69b2dcfb9d6cdb8eb8b19d13cb98c699739ab0282ab

Aliases

arxiv: 2109.03764 · arxiv_version: 2109.03764v1 · doi: 10.48550/arxiv.2109.03764 · pith_short_12: WXM3UFDFJOQX · pith_short_16: WXM3UFDFJOQXKNAT · pith_short_8: WXM3UFDF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/WXM3UFDFJOQXKNATW2NS3T5Z23 \
  | 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: b5d9ba14654ba1753413b69b2dcfb9d6cdb8eb8b19d13cb98c699739ab0282ab
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "32c18154f488df334601b236882dfcc3b4cb22a618cb0395e67ef4f8e736df3e",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-09-08T16:40:18Z",
    "title_canon_sha256": "f0796aef052ae9f9292a6f17dce0c9f47d36f1ccc323abc8ea64ef40fde9611e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.03764",
    "kind": "arxiv",
    "version": 1
  }
}