Pith Number

pith:OD6T34Q7

pith:2011:OD6T34Q7VJSHBF7BS4FCAHFC7R

not attested not anchored not stored refs pending

A relation between some special centro-skew, near-Toeplitz, tridiagonal matrices and circulant matrices

Kenneth R. Driessel

arxiv:1102.1953 v2 · 2011-02-09 · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OD6T34Q7VJSHBF7BS4FCAHFC7R}

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	2026-05-18T04:27:37.654600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70fd3df21faa647097e1970a201ca2fc51cc62d676762aa7a09e43b5bc96608f

Aliases

arxiv: 1102.1953 · arxiv_version: 1102.1953v2 · doi: 10.48550/arxiv.1102.1953 · pith_short_12: OD6T34Q7VJSH · pith_short_16: OD6T34Q7VJSHBF7B · pith_short_8: OD6T34Q7

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/OD6T34Q7VJSHBF7BS4FCAHFC7R \
  | 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: 70fd3df21faa647097e1970a201ca2fc51cc62d676762aa7a09e43b5bc96608f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "244683a89d5bf1af5f08442c31b38c6edb95e23852405ad0f9c1f5d94e2dc773",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2011-02-09T19:46:28Z",
    "title_canon_sha256": "7be198fcfb9273e930006f14dc5a133d32d53dcbcb9f817ab50d877df3396902"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.1953",
    "kind": "arxiv",
    "version": 2
  }
}