Pith Number

pith:QOU2EGF5

pith:2021:QOU2EGF5XX4QLHIXVAW25GTUHL

not attested not anchored not stored refs pending

Semantic Segmentation with Labeling Uncertainty and Class Imbalance

Daniel Matte Freitas, Diogo Nunes Gon\c{c}alves, Jonathan de Andrade Silva, Jonathan Li, Jos\'e Augusto Correa Martins, Jos\'e Marcato Junior, Lucas Prado Osco, Patrik Ol\~a Bressan, Raymundo Cordero Garcia, Wesley Nunes Gon\c{c}alves, Zhipeng Luo

arxiv:2102.04566 v1 · 2021-02-08 · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QOU2EGF5XX4QLHIXVAW25GTUHL}

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	2026-07-05T04:27:04.761953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83a9a218bdbdf9059d17a82dae9a743ae0eebbf0d94434234669afe03e8c5b08

Aliases

arxiv: 2102.04566 · arxiv_version: 2102.04566v1 · doi: 10.48550/arxiv.2102.04566 · pith_short_12: QOU2EGF5XX4Q · pith_short_16: QOU2EGF5XX4QLHIX · pith_short_8: QOU2EGF5

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/QOU2EGF5XX4QLHIXVAW25GTUHL \
  | 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: 83a9a218bdbdf9059d17a82dae9a743ae0eebbf0d94434234669afe03e8c5b08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84b08ea401782890b7c198572cff72e617144c49e7c1a843dbdead6c2394be3a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-02-08T22:53:33Z",
    "title_canon_sha256": "0c64a342b0460c7c0603291235ad5616568f9790605e33d9c3f74047c6e0e744"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.04566",
    "kind": "arxiv",
    "version": 1
  }
}