Pith Number

pith:ZAFEM4V2

pith:2021:ZAFEM4V2SPZHS47MYISPJAVZNS

not attested not anchored not stored refs pending

Noncommutative Christoffel-Darboux Kernels

Serban T. Belinschi, Victor Magron, Victor Vinnikov

arxiv:2106.06212 v2 · 2021-06-11 · math.OA · math.CV · 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{ZAFEM4V2SPZHS47MYISPJAVZNS}

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.

Cited by

1 paper in Pith

Convergence rates of Sum-of-Hermitian-Squares Hierarchies for the Pauli algebra

Receipt and verification

First computed	2026-07-05T03:47:52.602841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c80a4672ba93f27973ecc224f482b96c938e84d2f91feda5d2a6c24cf7e22ebb

Aliases

arxiv: 2106.06212 · arxiv_version: 2106.06212v2 · doi: 10.48550/arxiv.2106.06212 · pith_short_12: ZAFEM4V2SPZH · pith_short_16: ZAFEM4V2SPZHS47M · pith_short_8: ZAFEM4V2

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/ZAFEM4V2SPZHS47MYISPJAVZNS \
  | 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: c80a4672ba93f27973ecc224f482b96c938e84d2f91feda5d2a6c24cf7e22ebb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd9737aa513a54798dff0ed99adf76a63579fd7fdf267ff8f9a36480b0d26748",
    "cross_cats_sorted": [
      "math.CV",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2021-06-11T07:40:12Z",
    "title_canon_sha256": "de491b9b97c39cc1ee0672508129b7fd66af94fee03126d6a97fab56eb81f9d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.06212",
    "kind": "arxiv",
    "version": 2
  }
}