Pith Number

pith:GZ643KTU

pith:2013:GZ643KTUVUMMZ73FH6I3NNY4GP

not attested not anchored not stored refs pending

On the decay of elements of inverse triangular Toeplitz matrix

D. V. Savostyanov, Neville Ford, N. L. Zamarashkin

arxiv:1308.0724 v1 · 2013-08-03 · math.NA · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GZ643KTUVUMMZ73FH6I3NNY4GP}

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	2026-05-18T02:39:01.290647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

367dcdaa74ad18ccff653f91b6b71c33f17a757b938ba29a3e5c6172b2611d44

Aliases

arxiv: 1308.0724 · arxiv_version: 1308.0724v1 · doi: 10.48550/arxiv.1308.0724 · pith_short_12: GZ643KTUVUMM · pith_short_16: GZ643KTUVUMMZ73F · pith_short_8: GZ643KTU

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/GZ643KTUVUMMZ73FH6I3NNY4GP \
  | 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: 367dcdaa74ad18ccff653f91b6b71c33f17a757b938ba29a3e5c6172b2611d44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56efe165c797098712e41844d7ce83a238c3c2c48004f26d5da785d03f87cba2",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-08-03T17:13:09Z",
    "title_canon_sha256": "8230605a21aae16204c316544325cbf2ca8e22ad876d2c785f7824e5ef2bb2e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0724",
    "kind": "arxiv",
    "version": 1
  }
}