Pith Number

pith:6B5FIMUO

pith:2019:6B5FIMUOCB7GC4CIYF3Y6ENZMA

not attested not anchored not stored refs pending

R4C: A Benchmark for Evaluating RC Systems to Get the Right Answer for the Right Reason

Kentaro Inui, Naoya Inoue, Pontus Stenetorp

arxiv:1910.04601 v2 · 2019-10-10 · 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{6B5FIMUOCB7GC4CIYF3Y6ENZMA}

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	2026-07-05T00:59:42.676741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f07a54328e107e617048c1778f11b9603cda2f0464fddba03f7532ffa6f243cd

Aliases

arxiv: 1910.04601 · arxiv_version: 1910.04601v2 · doi: 10.48550/arxiv.1910.04601 · pith_short_12: 6B5FIMUOCB7G · pith_short_16: 6B5FIMUOCB7GC4CI · pith_short_8: 6B5FIMUO

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/6B5FIMUOCB7GC4CIYF3Y6ENZMA \
  | 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: f07a54328e107e617048c1778f11b9603cda2f0464fddba03f7532ffa6f243cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "954697573c533eb9103b51543f8ce5293c443a294cf9580ffd843df88c141c27",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-10-10T14:28:56Z",
    "title_canon_sha256": "5190f1e85a50dfaa39fe84e35f3bd713fb8e67a099b9a07057eff323eb2b0fbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.04601",
    "kind": "arxiv",
    "version": 2
  }
}