Pith Number

pith:GQV6K7A3

pith:2011:GQV6K7A3JLWI4V4B6IFYKTFMOV

not attested not anchored not stored refs pending

Kernel Methods for the Approximation of Nonlinear Systems

Boumediene Hamzi, Jake Bouvrie

arxiv:1108.2903 v3 · 2011-08-14 · math.OC · cs.SY · math.DS · 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{GQV6K7A3JLWI4V4B6IFYKTFMOV}

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	2026-05-18T01:17:57.674605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

342be57c1b4aec8e5781f20b854cac75715c433efa3b80fe29cde23f7b0a088c

Aliases

arxiv: 1108.2903 · arxiv_version: 1108.2903v3 · doi: 10.48550/arxiv.1108.2903 · pith_short_12: GQV6K7A3JLWI · pith_short_16: GQV6K7A3JLWI4V4B · pith_short_8: GQV6K7A3

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/GQV6K7A3JLWI4V4B6IFYKTFMOV \
  | 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: 342be57c1b4aec8e5781f20b854cac75715c433efa3b80fe29cde23f7b0a088c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b94ac614d767226eb0f6375bfdcb2df2b95ed86492b9d66b679c73133e75f44",
    "cross_cats_sorted": [
      "cs.SY",
      "math.DS",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2011-08-14T20:44:13Z",
    "title_canon_sha256": "d0a80b1ab82999cf90465c90e9ebdf655dfc41e99f4f90cc7e618b4de8cc3cbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2903",
    "kind": "arxiv",
    "version": 3
  }
}