pith. sign in
Pith Number

pith:H6NVPKFU

pith:2017:H6NVPKFUKXV2WPCB3DMWLAPOXN
not attested not anchored not stored refs pending

What is $\ldots\ $ a multiple orthogonal polynomial?

Andrei Mart\'inez-Finkelshtein, Walter Van Assche

arxiv:1707.09511 v1 · 2017-07-29 · math.CA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{H6NVPKFUKXV2WPCB3DMWLAPOXN}

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 2026-05-18T00:39:11.091267Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3f9b57a8b455ebab3c41d8d96581eebb5133fd8aea8ece2755586040c74dcd69

Aliases

arxiv: 1707.09511 · arxiv_version: 1707.09511v1 · doi: 10.48550/arxiv.1707.09511 · pith_short_12: H6NVPKFUKXV2 · pith_short_16: H6NVPKFUKXV2WPCB · pith_short_8: H6NVPKFU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/H6NVPKFUKXV2WPCB3DMWLAPOXN \
  | 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: 3f9b57a8b455ebab3c41d8d96581eebb5133fd8aea8ece2755586040c74dcd69
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0b6b129d2bc135c07ec9f64970e34fda1ff79d53939bcf8a9eaecea21bc9bf3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2017-07-29T13:05:13Z",
    "title_canon_sha256": "6adafde8a159d449e8acf8cf5f66bd92b2bf30a485b85c77bc253d91f5075762"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09511",
    "kind": "arxiv",
    "version": 1
  }
}