Pith Number

pith:LSLLWJN5

pith:2015:LSLLWJN5YBGD4SWQF5Q5WLCHRU

not attested not anchored not stored refs pending

Hybrid and iteratively reweighted regularization by unbiased predictive risk and weighted GCV for projected systems

Rosemary A. Renaut, Saeed Vatankhah, Vahid E. Ardestani

arxiv:1509.00096 v3 · 2015-08-31 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LSLLWJN5YBGD4SWQF5Q5WLCHRU}

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	2026-06-04T17:09:29.792267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c96bb25bdc04c3e4ad02f61db2c478d3ea4454139fd420ad004dff20a747a26

Aliases

arxiv: 1509.00096 · arxiv_version: 1509.00096v3 · doi: 10.48550/arxiv.1509.00096 · pith_short_12: LSLLWJN5YBGD · pith_short_16: LSLLWJN5YBGD4SWQ · pith_short_8: LSLLWJN5

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/LSLLWJN5YBGD4SWQF5Q5WLCHRU \
  | 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: 5c96bb25bdc04c3e4ad02f61db2c478d3ea4454139fd420ad004dff20a747a26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49af837dd3b7205c56063b17afb1ac83c619112cc62552fba516dbc3f66476bd",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-08-31T23:57:47Z",
    "title_canon_sha256": "db9787b3cda19fb04949fdbefa053ae774caeacd032c39535ea1e5279f91bf93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.00096",
    "kind": "arxiv",
    "version": 3
  }
}