Pith Number

pith:2QFZ7NWH

pith:2019:2QFZ7NWHV6RK6OZOQC3FV2PSN7

not attested not anchored not stored refs pending

Exploring Unsupervised Pretraining and Sentence Structure Modelling for Winograd Schema Challenge

Quan Liu, Si Wei, Xiaodan Zhu, Yu-Ping Ruan, Zhan Shi, Zhen-Hua Ling

arxiv:1904.09705 v1 · 2019-04-22 · 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{2QFZ7NWHV6RK6OZOQC3FV2PSN7}

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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	2026-05-17T23:48:03.613352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d40b9fb6c7afa2af3b2e80b65ae9f26ffa281116dfa7d3440a1aedf6f31462c6

Aliases

arxiv: 1904.09705 · arxiv_version: 1904.09705v1 · doi: 10.48550/arxiv.1904.09705 · pith_short_12: 2QFZ7NWHV6RK · pith_short_16: 2QFZ7NWHV6RK6OZO · pith_short_8: 2QFZ7NWH

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/2QFZ7NWHV6RK6OZOQC3FV2PSN7 \
  | 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: d40b9fb6c7afa2af3b2e80b65ae9f26ffa281116dfa7d3440a1aedf6f31462c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c3a432c7f014adb232d8469bbe0a71599fe983ba7adcac057173d652a5d235a",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-04-22T03:00:40Z",
    "title_canon_sha256": "2f5eab29ddcf4491d484544743fc56473effc6f36bcc1aa2832e3356bf5f4c1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09705",
    "kind": "arxiv",
    "version": 1
  }
}