Pith Number

pith:7XFVTBVR

pith:2018:7XFVTBVRIZ7YYZJVRNUTO7B6BG

not attested not anchored not stored refs pending

Residual minimizing shift parameters for the low-rank ADI iteration

Patrick K\"urschner

arxiv:1811.05500 v1 · 2018-11-13 · 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{7XFVTBVRIZ7YYZJVRNUTO7B6BG}

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	2026-05-18T00:00:42.778355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdcb5986b1467f8c65358b69377c3e09af8224b9d8455711d3b5e9f27ee33d1e

Aliases

arxiv: 1811.05500 · arxiv_version: 1811.05500v1 · doi: 10.48550/arxiv.1811.05500 · pith_short_12: 7XFVTBVRIZ7Y · pith_short_16: 7XFVTBVRIZ7YYZJV · pith_short_8: 7XFVTBVR

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/7XFVTBVRIZ7YYZJVRNUTO7B6BG \
  | 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: fdcb5986b1467f8c65358b69377c3e09af8224b9d8455711d3b5e9f27ee33d1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1921c666b3411e8445bacfc19d4ec13bc5b0264125e39428fd9d7530814fb016",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-11-13T19:13:12Z",
    "title_canon_sha256": "3a5b014687246f57c2dbf1c93cb9f0cc793a6aecbf60abcf8cb10a2a741522a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.05500",
    "kind": "arxiv",
    "version": 1
  }
}