Pith Number

pith:3DLNQVQG

pith:2016:3DLNQVQGW2IZC3T2WI6BQRFVQB

not attested not anchored not stored refs pending

A Tutorial on Libra: R package for the Linearized Bregman Algorithm in High Dimensional Statistics

Feng Ruan, Jiechao Xiong, Yuan Yao

arxiv:1604.05910 v1 · 2016-04-20 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3DLNQVQGW2IZC3T2WI6BQRFVQB}

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	2026-05-18T01:16:34.275785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8d6d85606b691916e7ab23c1844b580666eaf92ebba42ebfb8ec82e08150835

Aliases

arxiv: 1604.05910 · arxiv_version: 1604.05910v1 · doi: 10.48550/arxiv.1604.05910 · pith_short_12: 3DLNQVQGW2IZ · pith_short_16: 3DLNQVQGW2IZC3T2 · pith_short_8: 3DLNQVQG

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/3DLNQVQGW2IZC3T2WI6BQRFVQB \
  | 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: d8d6d85606b691916e7ab23c1844b580666eaf92ebba42ebfb8ec82e08150835

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3bc9690debc795ba76fc36935e3d249c7046fc9f4fd2aa5c784d9dda6e22b79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2016-04-20T12:04:38Z",
    "title_canon_sha256": "2a011acadf0daaad428c1cef6fc6ac6de90010e38d4f19de5be289efc30c65c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05910",
    "kind": "arxiv",
    "version": 1
  }
}