Pith Number

pith:Z4V3V4OM

pith:2018:Z4V3V4OMX6X6BU5U7OGSQ35TFM

not attested not anchored not stored refs pending

How Much Reading Does Reading Comprehension Require? A Critical Investigation of Popular Benchmarks

Divyansh Kaushik, Zachary C. Lipton

arxiv:1808.04926 v2 · 2018-08-14 · cs.CL · cs.AI · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z4V3V4OMX6X6BU5U7OGSQ35TFM}

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	2026-05-18T00:07:39.785751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf2bbaf1ccbfafe0d3b4fb8d286fb32b1cce2b53f6a0ed8cd938e950f27bc863

Aliases

arxiv: 1808.04926 · arxiv_version: 1808.04926v2 · doi: 10.48550/arxiv.1808.04926 · pith_short_12: Z4V3V4OMX6X6 · pith_short_16: Z4V3V4OMX6X6BU5U · pith_short_8: Z4V3V4OM

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/Z4V3V4OMX6X6BU5U7OGSQ35TFM \
  | 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: cf2bbaf1ccbfafe0d3b4fb8d286fb32b1cce2b53f6a0ed8cd938e950f27bc863

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fbefe2c5368ebf4d2f3f9d30dad4bb9d80bc4764c0928abdff3fc373a973430",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-08-14T23:59:26Z",
    "title_canon_sha256": "f9709a363f731d2fe03a24f5f238b006a310eb434f8c01b03ecc1031178ddc01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.04926",
    "kind": "arxiv",
    "version": 2
  }
}