Pith Number

pith:DH625RRR

pith:2013:DH625RRRXASAZCIH5QXTIMFIJJ

not attested not anchored not stored refs pending

Generalized system identification with stable spline kernels

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

arxiv:1309.7857 v4 · 2013-09-30 · stat.ML · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DH625RRRXASAZCIH5QXTIMFIJJ}

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	2026-05-18T00:09:48.255985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19fdaec631b8240c8907ec2f3430a84a59298dea0cdec3feecb226b84d034f80

Aliases

arxiv: 1309.7857 · arxiv_version: 1309.7857v4 · doi: 10.48550/arxiv.1309.7857 · pith_short_12: DH625RRRXASA · pith_short_16: DH625RRRXASAZCIH · pith_short_8: DH625RRR

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/DH625RRRXASAZCIH5QXTIMFIJJ \
  | 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: 19fdaec631b8240c8907ec2f3430a84a59298dea0cdec3feecb226b84d034f80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8fe86834018abbf84f909f779390319c96ea9b92c512eb78b74ff465429abf0",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2013-09-30T14:30:43Z",
    "title_canon_sha256": "e142a6cf9bed60e2a8d7f0b25aa2523007cac000d02b41372b9885283947dc64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7857",
    "kind": "arxiv",
    "version": 4
  }
}