Pith Number

pith:EH2WS2IU

pith:2026:EH2WS2IUAXS2VJH66SCZTAG3VK

not attested not anchored not stored refs pending

PortBERT: Navigating the Depths of Portuguese Language Models

Armando B. Mendes, Henry He, Raphael Scheible-Schmitt

arxiv:2606.02100 v1 · 2026-06-01 · 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{EH2WS2IUAXS2VJH66SCZTAG3VK}

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	2026-06-02T02:05:06.503988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21f569691405e5aaa4fef4859980dbaaa32cc73292a857616e509da4a3856fc2

Aliases

arxiv: 2606.02100 · arxiv_version: 2606.02100v1 · doi: 10.48550/arxiv.2606.02100 · pith_short_12: EH2WS2IUAXS2 · pith_short_16: EH2WS2IUAXS2VJH6 · pith_short_8: EH2WS2IU

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/EH2WS2IUAXS2VJH66SCZTAG3VK \
  | 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: 21f569691405e5aaa4fef4859980dbaaa32cc73292a857616e509da4a3856fc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c5422cc7bc648a6c1fb6891203168ab6b97661f79d4db3b32c822b17e9a4a97",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-01T11:32:02Z",
    "title_canon_sha256": "f0588d4fea4f60f22ad3a5d811c3e558c59b76655a693dfb54e3901a6f7785d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.02100",
    "kind": "arxiv",
    "version": 1
  }
}