Pith Number

pith:DRHNSSW3

pith:2017:DRHNSSW35BEQGIA4DKD36NI7GF

not attested not anchored not stored refs pending

Passing the Brazilian OAB Exam: data preparation and some experiments

Alexandre Rademaker, Bruno Cuconato, Edward Hermann Haeusler, Pedro Delfino

arxiv:1712.05128 v1 · 2017-12-14 · 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{DRHNSSW35BEQGIA4DKD36NI7GF}

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	2026-05-18T00:28:00.923194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c4ed94adbe84903201c1a87bf351f31403de1cac01afc5ddcf35e49db4903cc

Aliases

arxiv: 1712.05128 · arxiv_version: 1712.05128v1 · doi: 10.48550/arxiv.1712.05128 · pith_short_12: DRHNSSW35BEQ · pith_short_16: DRHNSSW35BEQGIA4 · pith_short_8: DRHNSSW3

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/DRHNSSW35BEQGIA4DKD36NI7GF \
  | 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: 1c4ed94adbe84903201c1a87bf351f31403de1cac01afc5ddcf35e49db4903cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b36026e54171f7675690a0eb853fbc5fcc8b675914c8639af5f3bdc96248b690",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-12-14T08:40:10Z",
    "title_canon_sha256": "e0cc487f079f4b5d6864a55f5ab72f34d3d60cbc47e5b43981c1687cdebb1a76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05128",
    "kind": "arxiv",
    "version": 1
  }
}