Pith Number

pith:FUBLFCYW

pith:2009:FUBLFCYW4SIRUO7NSWW6IYQGS4

not attested not anchored not stored refs pending

Thin Hessenberg Pairs

Ali Godjali

arxiv:0911.4118 v1 · 2009-11-20 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FUBLFCYW4SIRUO7NSWW6IYQGS4}

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.

Cited by

1 paper in Pith

Circular Hessenberg pairs and the tridiagonal relations

Receipt and verification

First computed	2026-07-04T17:16:26.758210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d02b28b16e4911a3bed95ade46206971731d20721471d134b57f1eb47619f21

Aliases

arxiv: 0911.4118 · arxiv_version: 0911.4118v1 · doi: 10.48550/arxiv.0911.4118 · pith_short_12: FUBLFCYW4SIR · pith_short_16: FUBLFCYW4SIRUO7N · pith_short_8: FUBLFCYW

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/FUBLFCYW4SIRUO7NSWW6IYQGS4 \
  | 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: 2d02b28b16e4911a3bed95ade46206971731d20721471d134b57f1eb47619f21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43d66c60755cba306e0baa2e02ef4b54e39cf32d876ce81c413490c467fd9aa9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2009-11-20T20:54:07Z",
    "title_canon_sha256": "cb20d6eba2352826d8996877bb8269596c36a8adfb857119bb6a73933ca325b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4118",
    "kind": "arxiv",
    "version": 1
  }
}