Pith Number

pith:JYGEJP6W

pith:2016:JYGEJP6WZEYJCJVGLLTCHYJBHD

not attested not anchored not stored refs pending

$\mathcal O(n)$ working precision inverses for symmetric tridiagonal Toeplitz matrices with $\mathcal O(1)$ floating point calculations

Manuel Radons

arxiv:1611.08895 v1 · 2016-11-27 · 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{JYGEJP6WZEYJCJVGLLTCHYJBHD}

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	2026-05-18T00:56:29.914628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e0c44bfd6c9309126a65ae623e12138f0b6bf2b8828001aadda9a3c8c74d98f

Aliases

arxiv: 1611.08895 · arxiv_version: 1611.08895v1 · doi: 10.48550/arxiv.1611.08895 · pith_short_12: JYGEJP6WZEYJ · pith_short_16: JYGEJP6WZEYJCJVG · pith_short_8: JYGEJP6W

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/JYGEJP6WZEYJCJVGLLTCHYJBHD \
  | 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: 4e0c44bfd6c9309126a65ae623e12138f0b6bf2b8828001aadda9a3c8c74d98f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5461ab70b61439aa29b8c78da00360816aa098e6c0744214a5fcea31e701505",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-11-27T19:31:02Z",
    "title_canon_sha256": "f6648fe536ef4f0121099623d231922e2239bdf5b17fbceb42889370e0c6bc4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.08895",
    "kind": "arxiv",
    "version": 1
  }
}