Pith Number

pith:KL245GWR

pith:2019:KL245GWRJXK73NXV7RSU26ZYOK

not attested not anchored not stored refs pending

Learning When Not to Answer: A Ternary Reward Structure for Reinforcement Learning based Question Answering

Anjishnu Kumar, Arpit Mittal, Fr\'ederic Godin

arxiv:1902.10236 v2 · 2019-02-26 · 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{KL245GWRJXK73NXV7RSU26ZYOK}

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	2026-05-17T23:49:27.061148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52f5ce9ad14dd5fdb6f5fc654d7b3872ab82e1fb2771178f2d3c4c1cd3791953

Aliases

arxiv: 1902.10236 · arxiv_version: 1902.10236v2 · doi: 10.48550/arxiv.1902.10236 · pith_short_12: KL245GWRJXK7 · pith_short_16: KL245GWRJXK73NXV · pith_short_8: KL245GWR

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/KL245GWRJXK73NXV7RSU26ZYOK \
  | 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: 52f5ce9ad14dd5fdb6f5fc654d7b3872ab82e1fb2771178f2d3c4c1cd3791953

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ed8081f47ee207f431aeb551df315eeb0d23917a81936496e382e2818cf53db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-02-26T21:33:48Z",
    "title_canon_sha256": "83fe2038ee177ac158a946a961f58de8859142bc667f8c7b5c94d50f3e8209d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.10236",
    "kind": "arxiv",
    "version": 2
  }
}