Pith Number

pith:4TH33GIW

pith:2016:4TH33GIWN63PZPPS6J6FRMLBKM

not attested not anchored not stored refs pending

Factorizations of Kernels and Reproducing Kernel Hilbert Spaces

Dan Timotin, Jaydeb Sarkar, Rani Kumari, Srijan Sarkar

arxiv:1605.02544 v1 · 2016-05-09 · math.FA · math.CV · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4TH33GIWN63PZPPS6J6FRMLBKM}

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	2026-05-18T01:15:16.247784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4cfbd99166fb6fcbdf2f27c58b16153321c6d7f6cb69c3d7d96073a812070ff

Aliases

arxiv: 1605.02544 · arxiv_version: 1605.02544v1 · doi: 10.48550/arxiv.1605.02544 · pith_short_12: 4TH33GIWN63P · pith_short_16: 4TH33GIWN63PZPPS · pith_short_8: 4TH33GIW

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/4TH33GIWN63PZPPS6J6FRMLBKM \
  | 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: e4cfbd99166fb6fcbdf2f27c58b16153321c6d7f6cb69c3d7d96073a812070ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3db832223d82031bcbdf9b5a0ce69b8675b41c78a956628f0df5c3ebbc9c535a",
    "cross_cats_sorted": [
      "math.CV",
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2016-05-09T11:49:46Z",
    "title_canon_sha256": "eb289cf7c98637c900757d2cbb143c652906659ec9d786fda8ddd6737f4bec88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.02544",
    "kind": "arxiv",
    "version": 1
  }
}