Pith Number

pith:4YG6OAA5

pith:2022:4YG6OAA5ZGL2WK7XB7VTJJVF6Y

not attested not anchored not stored refs pending

Improving Event Representation via Simultaneous Weakly Supervised Contrastive Learning and Clustering

Changlong Yu, Huan Zhao, Jun Gao, Ruifeng Xu, Wei Wang, Wilfred Ng

arxiv:2203.07633 v1 · 2022-03-15 · 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{4YG6OAA5ZGL2WK7XB7VTJJVF6Y}

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	2026-07-05T04:05:20.750597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e60de7001dc997ab2bf70feb34a6a5f60d465e8acd44b5449d54b6e3f0a6931d

Aliases

arxiv: 2203.07633 · arxiv_version: 2203.07633v1 · doi: 10.48550/arxiv.2203.07633 · pith_short_12: 4YG6OAA5ZGL2 · pith_short_16: 4YG6OAA5ZGL2WK7X · pith_short_8: 4YG6OAA5

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/4YG6OAA5ZGL2WK7XB7VTJJVF6Y \
  | 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: e60de7001dc997ab2bf70feb34a6a5f60d465e8acd44b5449d54b6e3f0a6931d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e59eca8814c19a39ef853f650b994edf0a4b6c466b9e340b67251f22d9b80221",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-03-15T04:12:00Z",
    "title_canon_sha256": "740971e206d7a28e61a9427901fd0fa3b5a15b8a98ffb5470a8545fc9a2dc5be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.07633",
    "kind": "arxiv",
    "version": 1
  }
}