Pith Number

pith:RTGESAQM

pith:2018:RTGESAQMBGLOHGVFQ4DGNCD6FV

not attested not anchored not stored refs pending

Semi-Supervised Event Extraction with Paraphrase Clusters

Colin Lockard, Daniel S. Weld, Hannaneh Hajishirzi, James Ferguson

arxiv:1808.08622 v1 · 2018-08-26 · 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{RTGESAQMBGLOHGVFQ4DGNCD6FV}

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	2026-05-18T00:07:13.848509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ccc49020c0996e39aa5870666887e2d74713095737d7e78478b90ecb10b1fdb

Aliases

arxiv: 1808.08622 · arxiv_version: 1808.08622v1 · doi: 10.48550/arxiv.1808.08622 · pith_short_12: RTGESAQMBGLO · pith_short_16: RTGESAQMBGLOHGVF · pith_short_8: RTGESAQM

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/RTGESAQMBGLOHGVFQ4DGNCD6FV \
  | 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: 8ccc49020c0996e39aa5870666887e2d74713095737d7e78478b90ecb10b1fdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31e018d449e6babf20380676ec634d52ac2f5bbb31424678ac1794b253ed10c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-08-26T21:12:43Z",
    "title_canon_sha256": "5263404c1bee5d9d0c74b3b093a5fd7170257d0370badab1f78b41c8dc49b7a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08622",
    "kind": "arxiv",
    "version": 1
  }
}