Pith Number

pith:GEFF3V4F

pith:2013:GEFF3V4F55QTEJEUWCYKE2PXFX

not attested not anchored not stored refs pending

Linear system identification using stable spline kernels and PLQ penalties

Aleksandr Y. Aravkin, Gianluigi Pillonetto, James V. Burke

arxiv:1303.2827 v1 · 2013-03-12 · stat.ML · math.OC · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GEFF3V4F55QTEJEUWCYKE2PXFX}

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	2026-05-18T03:31:07.903152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

310a5dd785ef61322494b0b0a269f72ddc1822a0d5978fd9b69c84bfbdcad961

Aliases

arxiv: 1303.2827 · arxiv_version: 1303.2827v1 · doi: 10.48550/arxiv.1303.2827 · pith_short_12: GEFF3V4F55QT · pith_short_16: GEFF3V4F55QTEJEU · pith_short_8: GEFF3V4F

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/GEFF3V4F55QTEJEUWCYKE2PXFX \
  | 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: 310a5dd785ef61322494b0b0a269f72ddc1822a0d5978fd9b69c84bfbdcad961

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b68d2e9f699ecd0f9fcce65cc4cdc814abd896cfecf03993e72764129db2630",
    "cross_cats_sorted": [
      "math.OC",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2013-03-12T10:31:29Z",
    "title_canon_sha256": "a2789a670966905b362eaf0878b2ccb590a1500e1ea948b466df6d852ec53542"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2827",
    "kind": "arxiv",
    "version": 1
  }
}