Pith Number

pith:A6BOP64Z

pith:2025:A6BOP64ZVF6Y3ZHCMTVXAN27SA

not attested not anchored not stored refs pending

Generalized Reduced-Rank Regression with Homogeneity Pursuit

Ganggang Xu, Ruipeng Dong, Yongtao Guan

arxiv:2501.15016 v1 · 2025-01-25 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A6BOP64ZVF6Y3ZHCMTVXAN27SA}

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	2026-07-05T10:05:22.211353Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0782e7fb99a97d8de4e264eb70375f901646856d02e06ad77dff29b366c3bba1

Aliases

arxiv: 2501.15016 · arxiv_version: 2501.15016v1 · doi: 10.48550/arxiv.2501.15016 · pith_short_12: A6BOP64ZVF6Y · pith_short_16: A6BOP64ZVF6Y3ZHC · pith_short_8: A6BOP64Z

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/A6BOP64ZVF6Y3ZHCMTVXAN27SA \
  | 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: 0782e7fb99a97d8de4e264eb70375f901646856d02e06ad77dff29b366c3bba1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4d50744528d4ec41138390e43104a832ea9247197378d2f385fba7b67ef5343",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2025-01-25T01:46:12Z",
    "title_canon_sha256": "84c78be4e9ac4f7909d657b23a45228a0ea4f997a8436dd696ee18c31f26fae5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.15016",
    "kind": "arxiv",
    "version": 1
  }
}