Pith Number

pith:AIX5POAP

pith:2019:AIX5POAPEP5HQFEK7U635LPT5U

not attested not anchored not stored refs pending

Character-based Surprisal as a Model of Reading Difficulty in the Presence of Error

Frank Keller, Michael Hahn, Yonatan Belinkov, Yonatan Bisk

arxiv:1902.00595 v3 · 2019-02-02 · 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{AIX5POAPEP5HQFEK7U635LPT5U}

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	2026-05-17T23:45:52.172629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

022fd7b80f23fa78148afd3dbeadf3ed2237ebf3c6694a8d277179912f64573d

Aliases

arxiv: 1902.00595 · arxiv_version: 1902.00595v3 · doi: 10.48550/arxiv.1902.00595 · pith_short_12: AIX5POAPEP5H · pith_short_16: AIX5POAPEP5HQFEK · pith_short_8: AIX5POAP

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/AIX5POAPEP5HQFEK7U635LPT5U \
  | 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: 022fd7b80f23fa78148afd3dbeadf3ed2237ebf3c6694a8d277179912f64573d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b42f1e27d7882797915c484a126a47c3874aec5fe3197e20bef1a5273469e29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-02-02T00:32:11Z",
    "title_canon_sha256": "fcea3d901bcffe3f64fb9f6589fdf1e30579b7b47a62382fa4308ad359651314"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.00595",
    "kind": "arxiv",
    "version": 3
  }
}