Pith Number

pith:XXTU65F2

pith:2017:XXTU65F2CVTF3TLF6VQARLUHBD

not attested not anchored not stored refs pending

A unifying theory for multivariate polynomial interpolation on general Lissajous-Chebyshev nodes

Peter Dencker, Wolfgang Erb

arxiv:1711.00557 v1 · 2017-11-01 · 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{XXTU65F2CVTF3TLF6VQARLUHBD}

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	2026-05-18T00:31:30.232201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bde74f74ba15665dcd65f56008ae8708d9f4db154a3c376943e93875ff73e19d

Aliases

arxiv: 1711.00557 · arxiv_version: 1711.00557v1 · doi: 10.48550/arxiv.1711.00557 · pith_short_12: XXTU65F2CVTF · pith_short_16: XXTU65F2CVTF3TLF · pith_short_8: XXTU65F2

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/XXTU65F2CVTF3TLF6VQARLUHBD \
  | 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: bde74f74ba15665dcd65f56008ae8708d9f4db154a3c376943e93875ff73e19d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a15bd3d15b46367eb9c8f16db16e2cc4603225a9ceee39eefdba72f9eebf86df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-11-01T22:51:58Z",
    "title_canon_sha256": "1f4e85007aa1d296081a263a410e9351992d8a8d97429b38088aaf7ebd6d2fae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.00557",
    "kind": "arxiv",
    "version": 1
  }
}