Pith Number

pith:D2UDAN4Y

pith:2018:D2UDAN4YILF2GHPEUNFXFCRRDC

not attested not anchored not stored refs pending

Characterizing the Influence of Features on Reading Difficulty Estimation for Non-native Readers

Meng Chang Chen, Yeali S. Sun, Yi-Ting Huang

arxiv:1808.09718 v1 · 2018-08-29 · 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{D2UDAN4YILF2GHPEUNFXFCRRDC}

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	2026-05-18T00:06:44.416538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ea830379842cba31de4a34b728a311895724e949edc5d847243520f67a07175

Aliases

arxiv: 1808.09718 · arxiv_version: 1808.09718v1 · doi: 10.48550/arxiv.1808.09718 · pith_short_12: D2UDAN4YILF2 · pith_short_16: D2UDAN4YILF2GHPE · pith_short_8: D2UDAN4Y

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/D2UDAN4YILF2GHPEUNFXFCRRDC \
  | 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: 1ea830379842cba31de4a34b728a311895724e949edc5d847243520f67a07175

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9d086983534df0c4442939abc181973144c4bb65ee13e35d1f572688a810c8d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-08-29T10:32:24Z",
    "title_canon_sha256": "0d066d5ae8522b8fdd2a322272ea0d58c115a9fa8d18677a1edb9675a3ef8764"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09718",
    "kind": "arxiv",
    "version": 1
  }
}