Pith Number

pith:IB5V7CWC

pith:2018:IB5V7CWCIGKXTUF44LYHC77DM5

not attested not anchored not stored refs pending

Generation of point sets by convex optimization for interpolation in reproducing kernel Hilbert spaces

Ken'ichiro Tanaka

arxiv:1810.08505 v2 · 2018-10-19 · 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{IB5V7CWCIGKXTUF44LYHC77DM5}

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	2026-06-04T20:13:31.281571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

407b5f8ac2419579d0bce2f0717fe36755bd95155bc6e6f7818cc30f9168c9f3

Aliases

arxiv: 1810.08505 · arxiv_version: 1810.08505v2 · doi: 10.48550/arxiv.1810.08505 · pith_short_12: IB5V7CWCIGKX · pith_short_16: IB5V7CWCIGKXTUF4 · pith_short_8: IB5V7CWC

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/IB5V7CWCIGKXTUF44LYHC77DM5 \
  | 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: 407b5f8ac2419579d0bce2f0717fe36755bd95155bc6e6f7818cc30f9168c9f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfbc6ec83335c6cd997390239f8e27a8c6590982de4f11e45167c56a864bf1f5",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-10-19T13:54:57Z",
    "title_canon_sha256": "1fcd57c1161b98494aba3c6e25dfd57aac7fc788837ca9f082c4bbb280bc7bd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.08505",
    "kind": "arxiv",
    "version": 2
  }
}