Pith Number

pith:4HHVDS4V

pith:2021:4HHVDS4VNYODZTMOW4G2BCT6TD

not attested not anchored not stored refs pending

Semantic Frame Induction using Masked Word Embeddings and Two-Step Clustering

Koichi Takeda, Kosuke Yamada, Ryohei Sasano

arxiv:2105.13466 v1 · 2021-05-27 · 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{4HHVDS4VNYODZTMOW4G2BCT6TD}

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	2026-07-05T02:44:08.303368Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1cf51cb956e1c3ccd8eb70da08a7e98d72fb0192c6b671d3125eae9d1d0e766

Aliases

arxiv: 2105.13466 · arxiv_version: 2105.13466v1 · doi: 10.48550/arxiv.2105.13466 · pith_short_12: 4HHVDS4VNYOD · pith_short_16: 4HHVDS4VNYODZTMO · pith_short_8: 4HHVDS4V

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/4HHVDS4VNYODZTMOW4G2BCT6TD \
  | 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: e1cf51cb956e1c3ccd8eb70da08a7e98d72fb0192c6b671d3125eae9d1d0e766

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e1875239392e0217be6b3d166c7b89f3639b72a809e48b524e07aa814b5cfd2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-05-27T22:00:33Z",
    "title_canon_sha256": "078431cbe323347be8fd29d2835da611ccdf633bd85afbbac4868f9cf6f10055"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.13466",
    "kind": "arxiv",
    "version": 1
  }
}