pith. sign in
Pith Number

pith:UQADNTQX

pith:2015:UQADNTQXW4GVON62FPLC4AQKSB
not attested not anchored not stored refs pending

Interlacing properties and the Schur-Szeg\H{o} composition

Vladimir Petrov Kostov

arxiv:1504.02321 v1 · 2015-04-09 · math.CA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UQADNTQXW4GVON62FPLC4AQKSB}

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 2026-05-18T02:19:15.423389Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a40036ce17b70d5737da2bd62e020a9069fd66d43e76af1baa1ba8f237a90c01

Aliases

arxiv: 1504.02321 · arxiv_version: 1504.02321v1 · doi: 10.48550/arxiv.1504.02321 · pith_short_12: UQADNTQXW4GV · pith_short_16: UQADNTQXW4GVON62 · pith_short_8: UQADNTQX
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UQADNTQXW4GVON62FPLC4AQKSB \
  | 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: a40036ce17b70d5737da2bd62e020a9069fd66d43e76af1baa1ba8f237a90c01
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "75563d3c1fff9449a9606d06d4752a979c4ab688abafb89bdcd010fe7c4193e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2015-04-09T14:13:18Z",
    "title_canon_sha256": "8d4578260dbfe13059942a1ef70211f1f099ccf29685cd61dc65648a8d9c4a86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02321",
    "kind": "arxiv",
    "version": 1
  }
}