Pith. sign in
Pith Number

pith:LBSVIZXT

pith:2019:LBSVIZXTBG7THHEYHWNU3VLE55
not attested not anchored not stored refs pending

Processamento de linguagem natural em Portugu\^es e aprendizagem profunda para o dom\'inio de \'Oleo e G\'as

Alexandre Evsukoff, Diogo Gomes

arxiv:1908.01674 v2 · 2019-08-05 · cs.CL

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{LBSVIZXTBG7THHEYHWNU3VLE55}

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 2026-07-04T23:53:16.785394Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

58655466f309bf339c983d9b4dd564ef68d422e21e6c906c14915b8ac7f9c6c8

Aliases

arxiv: 1908.01674 · arxiv_version: 1908.01674v2 · doi: 10.48550/arxiv.1908.01674 · pith_short_12: LBSVIZXTBG7T · pith_short_16: LBSVIZXTBG7THHEY · pith_short_8: LBSVIZXT
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/LBSVIZXTBG7THHEYHWNU3VLE55 \
  | 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: 58655466f309bf339c983d9b4dd564ef68d422e21e6c906c14915b8ac7f9c6c8
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "476d02da09aac77fbd8ae36a784f5c9cffc51307bd38714ac3ef7c40d5434d27",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-08-05T15:05:48Z",
    "title_canon_sha256": "44f34b3c6bde89163a15886b4e73421081ba558e4087ccd2c8b27e37ffd9ad47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01674",
    "kind": "arxiv",
    "version": 2
  }
}