Pith Number

pith:2PXBR4AR

pith:2019:2PXBR4ARQN6UEH365ZMZ47PF5L

not attested not anchored not stored refs pending

Error Analysis on Graph Laplacian Regularized Estimator

Kaige Yang, Laura Toni, Xiaowen Dong

arxiv:1902.03720 v1 · 2019-02-11 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2PXBR4ARQN6UEH365ZMZ47PF5L}

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	2026-05-17T23:54:19.763042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3ee18f011837d421f7eee599e7de5ead14f67ab1e29fb1d60aa3d86449d5f6f

Aliases

arxiv: 1902.03720 · arxiv_version: 1902.03720v1 · doi: 10.48550/arxiv.1902.03720 · pith_short_12: 2PXBR4ARQN6U · pith_short_16: 2PXBR4ARQN6UEH36 · pith_short_8: 2PXBR4AR

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/2PXBR4ARQN6UEH365ZMZ47PF5L \
  | 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: d3ee18f011837d421f7eee599e7de5ead14f67ab1e29fb1d60aa3d86449d5f6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15b91a70803889f5ce86ca07d234eab520dbc85295cedf891bd7a1d8ad3b8690",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-02-11T04:06:29Z",
    "title_canon_sha256": "7988e22418089d1ca5841e6b927fb48fa4597445b2180ad45162bcf126a34bfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03720",
    "kind": "arxiv",
    "version": 1
  }
}