Pith Number

pith:MO7VWDGW

pith:2019:MO7VWDGWMUL5TULIDSEPVJXEDU

not attested not anchored not stored refs pending

Learning Dual Retrieval Module for Semi-supervised Relation Extraction

Hongtao Lin, Jun Yan, Meng Qu, Xiang Ren

arxiv:1902.07814 v2 · 2019-02-20 · cs.CL · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MO7VWDGWMUL5TULIDSEPVJXEDU}

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	2026-05-17T23:52:50.733028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63bf5b0cd66517d9d1681c88faa6e41d28970872f7adf1087997339b184448dc

Aliases

arxiv: 1902.07814 · arxiv_version: 1902.07814v2 · doi: 10.48550/arxiv.1902.07814 · pith_short_12: MO7VWDGWMUL5 · pith_short_16: MO7VWDGWMUL5TULI · pith_short_8: MO7VWDGW

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/MO7VWDGWMUL5TULIDSEPVJXEDU \
  | 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: 63bf5b0cd66517d9d1681c88faa6e41d28970872f7adf1087997339b184448dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05cbee514ba9b969e047b3b2f3249587426e15dd3f03a1733307e4171dfc59ee",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-02-20T23:56:21Z",
    "title_canon_sha256": "12953fc538c3e6b16c69f86feb710a27a23bdc3a59d92606e123a4092b84aae3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07814",
    "kind": "arxiv",
    "version": 2
  }
}