pith. sign in
Pith Number

pith:AKUHS2VA

pith:2013:AKUHS2VATZSPJUXQXFIUYBURNP
not attested not anchored not stored refs pending

An alternative to Slepian functions on the unit sphere - A space-frequency analysis based on localized spherical polynomials

Sonja Mathias, Wolfgang Erb

arxiv:1307.3862 v1 · 2013-07-15 · math.NA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{AKUHS2VATZSPJUXQXFIUYBURNP}

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 2026-05-18T03:18:27.631737Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

02a8796aa09e64f4d2f0b9514c06916bc368b53f491d75125f6f10e56a27575c

Aliases

arxiv: 1307.3862 · arxiv_version: 1307.3862v1 · doi: 10.48550/arxiv.1307.3862 · pith_short_12: AKUHS2VATZSP · pith_short_16: AKUHS2VATZSPJUXQ · pith_short_8: AKUHS2VA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/AKUHS2VATZSPJUXQXFIUYBURNP \
  | 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: 02a8796aa09e64f4d2f0b9514c06916bc368b53f491d75125f6f10e56a27575c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "dbc83c2cebb7399de883b39383672286bb7201e16f26d92956bc79ff51210bed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-07-15T09:28:07Z",
    "title_canon_sha256": "c6326efd2fe5513e9abeae84b6d8eee0d3447cc3e8f80d2b507fbd3554eb9878"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.3862",
    "kind": "arxiv",
    "version": 1
  }
}