Pith Number

pith:UO3BNZ6B

pith:2025:UO3BNZ6B2DODHZM57FFP535O4F

not attested not anchored not stored refs pending

MRCEval: A Comprehensive, Challenging and Accessible Machine Reading Comprehension Benchmark

Hao Peng, Juanzi Li, Lei Hou, Shengkun Ma

arxiv:2503.07144 v1 · 2025-03-10 · 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{UO3BNZ6B2DODHZM57FFP535O4F}

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	2026-07-05T10:27:50.550933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3b616e7c1d0dc33e59df94afeefaee144d1d64743808918e132b823fab35e69

Aliases

arxiv: 2503.07144 · arxiv_version: 2503.07144v1 · doi: 10.48550/arxiv.2503.07144 · pith_short_12: UO3BNZ6B2DOD · pith_short_16: UO3BNZ6B2DODHZM5 · pith_short_8: UO3BNZ6B

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/UO3BNZ6B2DODHZM57FFP535O4F \
  | 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: a3b616e7c1d0dc33e59df94afeefaee144d1d64743808918e132b823fab35e69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f48c2beda3ecb5ae6e25bd8da35ec40ba3c4b01454af6e4a4c8f5672212047d3",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-03-10T10:20:05Z",
    "title_canon_sha256": "3f06aaf6ca854b719befc44f655d442160d64d9a74dcc889447eb9caf0703a44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.07144",
    "kind": "arxiv",
    "version": 1
  }
}