Pith Number

pith:CLDOYCTY

pith:2017:CLDOYCTYLF2GEQ4C2VEOJKWX5C

not attested not anchored not stored refs pending

Automatic Classification of the Complexity of Nonfiction Texts in Portuguese for Early School Years

Danielle Brants, Livia Cucatto, Nathan Siegle Hartmann, Sandra Alu\'isio

arxiv:1704.03013 v1 · 2017-04-10 · 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{CLDOYCTYLF2GEQ4C2VEOJKWX5C}

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	2026-05-18T00:46:34.011500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12c6ec0a785974624382d548e4aad7e8b146aedbf44346be040912bf115c64bd

Aliases

arxiv: 1704.03013 · arxiv_version: 1704.03013v1 · doi: 10.48550/arxiv.1704.03013 · pith_short_12: CLDOYCTYLF2G · pith_short_16: CLDOYCTYLF2GEQ4C · pith_short_8: CLDOYCTY

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/CLDOYCTYLF2GEQ4C2VEOJKWX5C \
  | 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: 12c6ec0a785974624382d548e4aad7e8b146aedbf44346be040912bf115c64bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9cedb751cc198dfad84b06a76eba00fff50609ad6af23314ff1e8eb798f7ca8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-04-10T18:44:08Z",
    "title_canon_sha256": "e21115769f8f412b48d7335cc15eeda84d1a76db1ef36cd54a82493386826dec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.03013",
    "kind": "arxiv",
    "version": 1
  }
}