Pith Number

pith:IMV7FMUW

pith:2014:IMV7FMUWY4TR25VOWH7PGOR7JT

not attested not anchored not stored refs pending

Explicit Gaussian quadrature rules for cubic splines with non-uniform knot sequences

Michael Barto\v{n}, Rachid Ait-Haddou, Victor Manuel Calo

arxiv:1410.7196 v1 · 2014-10-27 · 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{IMV7FMUWY4TR25VOWH7PGOR7JT}

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	2026-05-18T02:39:17.852940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

432bf2b296c7271d76aeb1fef33a3f4cc9c6546b05a2804bcea8e8faf5bc4ebc

Aliases

arxiv: 1410.7196 · arxiv_version: 1410.7196v1 · doi: 10.48550/arxiv.1410.7196 · pith_short_12: IMV7FMUWY4TR · pith_short_16: IMV7FMUWY4TR25VO · pith_short_8: IMV7FMUW

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/IMV7FMUWY4TR25VOWH7PGOR7JT \
  | 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: 432bf2b296c7271d76aeb1fef33a3f4cc9c6546b05a2804bcea8e8faf5bc4ebc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a15b405f62165248634f162049137ad067ed5a40e30c8e0fbec2f2fcfa76863",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-10-27T12:05:59Z",
    "title_canon_sha256": "c22803652400f336b96676844ab0b87cab2bb2bea4d8728846547cd98b9a8492"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.7196",
    "kind": "arxiv",
    "version": 1
  }
}