Pith Number

pith:G52MOKWH

pith:2015:G52MOKWHR37NU3QHVAP6LVX7DN

not attested not anchored not stored refs pending

Gaussian quadrature for splines via homotopy continuation: rules for $C^2$ cubic splines

Michael Barto\v{n}, Victor Manuel Calo

arxiv:1505.04391 v1 · 2015-05-17 · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G52MOKWHR37NU3QHVAP6LVX7DN}

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	2026-05-18T02:07:25.541497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3774c72ac78efeda6e07a81fe5d6ff1b7e49a221f2d94624b90afa78884381c8

Aliases

arxiv: 1505.04391 · arxiv_version: 1505.04391v1 · doi: 10.48550/arxiv.1505.04391 · pith_short_12: G52MOKWHR37N · pith_short_16: G52MOKWHR37NU3QH · pith_short_8: G52MOKWH

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/G52MOKWHR37NU3QHVAP6LVX7DN \
  | 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: 3774c72ac78efeda6e07a81fe5d6ff1b7e49a221f2d94624b90afa78884381c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e61a0169c383556efd1488e2247294aca2a533d4c959bc8df337d07220820e9f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-05-17T12:45:11Z",
    "title_canon_sha256": "bcd21f2b61d93a5b1eaac0c3c6e6783db247377e2f14bfc20bbe2dcfbf5279d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04391",
    "kind": "arxiv",
    "version": 1
  }
}