Pith Number

pith:OFIOV2XN

pith:2018:OFIOV2XN27LFXUNEUBJNK6UUIX

not attested not anchored not stored refs pending

Error bounds of a quadrature formula with multiple nodes for the Fourier-Chebyshev coefficients for analytic functions

Aleksandar V. Pejcev, Miodrag M. Spalevic

arxiv:1802.02635 v1 · 2018-02-07 · 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{OFIOV2XN27LFXUNEUBJNK6UUIX}

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	2026-05-18T00:24:03.493375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7150eaeaedd7d65bd1a4a052d57a9445ca7bb8e929784b511f712ca798eec355

Aliases

arxiv: 1802.02635 · arxiv_version: 1802.02635v1 · doi: 10.48550/arxiv.1802.02635 · pith_short_12: OFIOV2XN27LF · pith_short_16: OFIOV2XN27LFXUNE · pith_short_8: OFIOV2XN

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/OFIOV2XN27LFXUNEUBJNK6UUIX \
  | 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: 7150eaeaedd7d65bd1a4a052d57a9445ca7bb8e929784b511f712ca798eec355

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b43f8ed7a1efc129c4f46a54fd1f3b0cbee764e151b2986eefa92d48aae80dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-02-07T21:11:11Z",
    "title_canon_sha256": "77126a905b039a45935266170780bbcedb2ea11c90de14befd9ad394487f5482"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02635",
    "kind": "arxiv",
    "version": 1
  }
}