Pith Number

pith:63TXOKEH

pith:2021:63TXOKEH2XJI7WUPDWLDRJFSFR

not attested not anchored not stored refs pending

Gradient Imitation Reinforcement Learning for Low Resource Relation Extraction

Chenwei Zhang, Lijie Wen, Li Lin, Philip S. Yu, Xiaohe Li, Xuming Hu, Yawen Yang

arxiv:2109.06415 v1 · 2021-09-14 · 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{63TXOKEH2XJI7WUPDWLDRJFSFR}

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	2026-07-05T03:13:54.147816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6e7772887d5d28fda8f1d9638a4b22c726515b1b80e3c7be3ee7927e2211f12

Aliases

arxiv: 2109.06415 · arxiv_version: 2109.06415v1 · doi: 10.48550/arxiv.2109.06415 · pith_short_12: 63TXOKEH2XJI · pith_short_16: 63TXOKEH2XJI7WUP · pith_short_8: 63TXOKEH

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/63TXOKEH2XJI7WUPDWLDRJFSFR \
  | 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: f6e7772887d5d28fda8f1d9638a4b22c726515b1b80e3c7be3ee7927e2211f12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73837f0feb61bf28492da8738e39386487151617e5499020a47eabdd4d377734",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-09-14T03:51:15Z",
    "title_canon_sha256": "c6e938aa66de87217f3ffe07344baabb8a274ab6732138bea0d9db8114392280"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.06415",
    "kind": "arxiv",
    "version": 1
  }
}