Pith Number

pith:RJZLUE76

pith:2026:RJZLUE76OEXXYJJGUEOBRY44XZ

not attested not anchored not stored refs pending

Instance Hardness-Based Relevance for Imbalanced Regression

George D. C. Cavalcanti, Juscimara G. Avelino, Rafael M. O. Cruz, Vitor M. Leitao

arxiv:2607.20173 v1 · 2026-07-22 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RJZLUE76OEXXYJJGUEOBRY44XZ}

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	2026-07-23T01:25:05.756573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a72ba13fe712f7c2526a11c18e39cbe6780a7ae62c65ecec5e8cd53dc9e4c46

Aliases

arxiv: 2607.20173 · arxiv_version: 2607.20173v1 · doi: 10.48550/arxiv.2607.20173 · pith_short_12: RJZLUE76OEXX · pith_short_16: RJZLUE76OEXXYJJG · pith_short_8: RJZLUE76

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/RJZLUE76OEXXYJJGUEOBRY44XZ \
  | 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: 8a72ba13fe712f7c2526a11c18e39cbe6780a7ae62c65ecec5e8cd53dc9e4c46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a2349908d19ebb75e04b16aa78238f5b1e2fbdbe769f5178dd1a38e5e06fb90",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-22T14:06:35Z",
    "title_canon_sha256": "7fb23e9713d28b5aebfa2ae9c36ac70f3aae321f7563a28cccf6bd628d5d45d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.20173",
    "kind": "arxiv",
    "version": 1
  }
}