Pith Number

pith:QSQQWO3P

pith:2021:QSQQWO3POZTNCAV5UCLSV3XRPT

not attested not anchored not stored refs pending

Why Machine Reading Comprehension Models Learn Shortcuts?

Chen Zhang, Dongyan Zhao, Quzhe Huang, Yansong Feng, Yuxuan Lai

arxiv:2106.01024 v1 · 2021-06-02 · 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{QSQQWO3POZTNCAV5UCLSV3XRPT}

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	2026-07-05T02:45:43.010536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84a10b3b6f7666d102bda0972aeef17cd8fe01291a37cf0b0b4f575203e3ade0

Aliases

arxiv: 2106.01024 · arxiv_version: 2106.01024v1 · doi: 10.48550/arxiv.2106.01024 · pith_short_12: QSQQWO3POZTN · pith_short_16: QSQQWO3POZTNCAV5 · pith_short_8: QSQQWO3P

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/QSQQWO3POZTNCAV5UCLSV3XRPT \
  | 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: 84a10b3b6f7666d102bda0972aeef17cd8fe01291a37cf0b0b4f575203e3ade0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "538a5b2cc8c23feac40be3f71a5ebc6597bd4b02b0111f15eea2b8bd08d78718",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-06-02T08:43:12Z",
    "title_canon_sha256": "8b183a2f5035b0d7be0fa243c3b00a540ab7db66d43b391c1f3c43f2a7df5523"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.01024",
    "kind": "arxiv",
    "version": 1
  }
}