pith. sign in
Pith Number

pith:EDSPXBPU

pith:2016:EDSPXBPUVBHRLDU33ZFACS6IWE
not attested not anchored not stored refs pending

Dual polynomial spline bases

Pawe{\l} Wo\'zny, Przemys{\l}aw Gospodarczyk

arxiv:1611.01202 v2 · 2016-11-03 · math.NA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{EDSPXBPUVBHRLDU33ZFACS6IWE}

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 2026-05-18T00:39:52.825240Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

20e4fb85f4a84f158e9bde4a014bc8b10eff32b43242301677518f32ecf0de38

Aliases

arxiv: 1611.01202 · arxiv_version: 1611.01202v2 · doi: 10.48550/arxiv.1611.01202 · pith_short_12: EDSPXBPUVBHR · pith_short_16: EDSPXBPUVBHRLDU3 · pith_short_8: EDSPXBPU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/EDSPXBPUVBHRLDU33ZFACS6IWE \
  | 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: 20e4fb85f4a84f158e9bde4a014bc8b10eff32b43242301677518f32ecf0de38
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "644278630203dfe04b24f92c4438e1832a8a00e1131f8a3ccea08a269f0e0bb4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-11-03T21:52:16Z",
    "title_canon_sha256": "666352546d8173faa253fa946a8f9abcb5e025ef53827293603b606ac3aafca7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.01202",
    "kind": "arxiv",
    "version": 2
  }
}