pith. sign in
Pith Number

pith:AJLTSNLT

pith:2015:AJLTSNLTUOF5SQH5D2JOULAT4W
not attested not anchored not stored refs pending

Radial positive definite functions and Schoenberg matrices with negative eigenvalues

L. Golinskii, L. Oridoroga, M. Malamud

arxiv:1502.07179 v1 · 2015-02-25 · math.CA · math.FA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{AJLTSNLTUOF5SQH5D2JOULAT4W}

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 2026-05-18T02:26:11.662859Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

0257393573a38bd940fd1e92ea2c13e5a79c609d33dc4f700c94b879b3d827ed

Aliases

arxiv: 1502.07179 · arxiv_version: 1502.07179v1 · doi: 10.48550/arxiv.1502.07179 · pith_short_12: AJLTSNLTUOF5 · pith_short_16: AJLTSNLTUOF5SQH5 · pith_short_8: AJLTSNLT
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/AJLTSNLTUOF5SQH5D2JOULAT4W \
  | 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: 0257393573a38bd940fd1e92ea2c13e5a79c609d33dc4f700c94b879b3d827ed
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d1fada093f54f631f7c5abb8a5674e859e35e9ce3010f769ef7eb3a2c11ac2b2",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2015-02-25T14:31:18Z",
    "title_canon_sha256": "df82f343413f2d77023886513dad8afb7a952e27a9c2f87e76da855775c08833"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07179",
    "kind": "arxiv",
    "version": 1
  }
}