pith. sign in
Pith Number

pith:SJISWSE6

pith:2011:SJISWSE6EU2DAAZBBJV5RYKA6D
not attested not anchored not stored refs pending

Szeg\H{o}'s theorem for matrix orthogonal polynomials

Maxim Derevyagin, Mikhail Tyaglov, Olga Holtz, Sergey Khrushchev

arxiv:1104.4999 v2 · 2011-04-26 · math.CA · math.CV · math.PR · math.RA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{SJISWSE6EU2DAAZBBJV5RYKA6D}

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 2026-05-18T03:51:47.343695Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

92512b489e25343003210a6bd8e140f0d0d66733a2d7a2ce39071b1042e61d92

Aliases

arxiv: 1104.4999 · arxiv_version: 1104.4999v2 · doi: 10.48550/arxiv.1104.4999 · pith_short_12: SJISWSE6EU2D · pith_short_16: SJISWSE6EU2DAAZB · pith_short_8: SJISWSE6
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/SJISWSE6EU2DAAZBBJV5RYKA6D \
  | 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: 92512b489e25343003210a6bd8e140f0d0d66733a2d7a2ce39071b1042e61d92
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "bd9a7125251ce814139961c2ac8ba597c616dd08959ee1400897e08a615e9a0b",
    "cross_cats_sorted": [
      "math.CV",
      "math.PR",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2011-04-26T19:37:09Z",
    "title_canon_sha256": "3cd96e92966c1d312e005b5e8d0fcbf977ee07d0e6cb7d6367305ea2d5b0a846"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4999",
    "kind": "arxiv",
    "version": 2
  }
}