Pith Number

pith:4Y3BXC4F

pith:2022:4Y3BXC4FF5NEEVQALVNUNMO3US

not attested not anchored not stored refs pending

HiCLRE: A Hierarchical Contrastive Learning Framework for Distantly Supervised Relation Extraction

Chengyu Wang, Dongyang Li, Nan Hu, Taolin Zhang, Xiaofeng He

arxiv:2202.13352 v1 · 2022-02-27 · cs.CL · 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{4Y3BXC4FF5NEEVQALVNUNMO3US}

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	2026-07-05T04:01:22.410783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6361b8b852f5a4256005d5b46b1dba4a2c05a27a69f5c57d1f12831a4e0e1a9

Aliases

arxiv: 2202.13352 · arxiv_version: 2202.13352v1 · doi: 10.48550/arxiv.2202.13352 · pith_short_12: 4Y3BXC4FF5NE · pith_short_16: 4Y3BXC4FF5NEEVQA · pith_short_8: 4Y3BXC4F

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/4Y3BXC4FF5NEEVQALVNUNMO3US \
  | 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: e6361b8b852f5a4256005d5b46b1dba4a2c05a27a69f5c57d1f12831a4e0e1a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "548a6582e45a9f5b9b5e6d52f31932c740be7fb921c11356c60cf55d0ae3a57b",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-02-27T12:48:26Z",
    "title_canon_sha256": "61b7591e91461399c2135aef07f9647fe47d0b6078bee459167004a5846ca54c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.13352",
    "kind": "arxiv",
    "version": 1
  }
}