Pith. sign in
Pith Number

pith:M7DBRBYW

pith:2022:M7DBRBYWXDJ5Q5S37XWF65QP23
not attested not anchored not stored refs pending

HiURE: Hierarchical Exemplar Contrastive Learning for Unsupervised Relation Extraction

Chenwei Zhang, Lijie Wen, Philip S. Yu, Shu`ang Li, Shuliang Liu, Xuming Hu

arxiv:2205.02225 v4 · 2022-05-04 · cs.CL · cs.AI

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{M7DBRBYWXDJ5Q5S37XWF65QP23}

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

1 paper in Pith

Receipt and verification
First computed 2026-07-05T11:23:13.104924Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

67c6188716b8d3d8765bfdec5f760fd6e4b28977c024ee94d08390bd8e124bba

Aliases

arxiv: 2205.02225 · arxiv_version: 2205.02225v4 · doi: 10.48550/arxiv.2205.02225 · pith_short_12: M7DBRBYWXDJ5 · pith_short_16: M7DBRBYWXDJ5Q5S3 · pith_short_8: M7DBRBYW
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/M7DBRBYWXDJ5Q5S37XWF65QP23 \
  | 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: 67c6188716b8d3d8765bfdec5f760fd6e4b28977c024ee94d08390bd8e124bba
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "206708d51e5936ba01e81b845d9b26bc66ba6493a35d60d41d2ec82aa7622c14",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-05-04T17:56:48Z",
    "title_canon_sha256": "e83a718b31a32e21af0f5993a0653a9716bd00ca7456927a188f6ae1e17eda32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.02225",
    "kind": "arxiv",
    "version": 4
  }
}