Pith Number

pith:Z6IH765F

pith:2015:Z6IH765FN2LVF2A22QBXK6MLV5

not attested not anchored not stored refs pending

Closed form solution of non-homogeneous equations with Toeplitz plus Hankel operators

Bernd Silbermann, Victor D. Didenko

arxiv:1503.00050 v1 · 2015-02-28 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z6IH765FN2LVF2A22QBXK6MLV5}

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	2026-05-18T02:25:55.248755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf907ffba56e9752e81ad40375798baf4e64791883d006b83d8496e23a24665b

Aliases

arxiv: 1503.00050 · arxiv_version: 1503.00050v1 · doi: 10.48550/arxiv.1503.00050 · pith_short_12: Z6IH765FN2LV · pith_short_16: Z6IH765FN2LVF2A2 · pith_short_8: Z6IH765F

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/Z6IH765FN2LVF2A22QBXK6MLV5 \
  | 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: cf907ffba56e9752e81ad40375798baf4e64791883d006b83d8496e23a24665b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e31126be7eb6dc4b07dcc59911950910527f9077b43559b3bb3d25315c319baa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2015-02-28T01:22:28Z",
    "title_canon_sha256": "ade5a8d36a6126de8c5a690b9c340cdb656b9a3a38a0434d62d2c3d07ba9715a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.00050",
    "kind": "arxiv",
    "version": 1
  }
}