Pith Number

pith:H6OSF54E

pith:2011:H6OSF54E3E43YOLUG2W5DFWLIR

not attested not anchored not stored refs pending

The Shifting Technique for Solving a Nonsymmetric Algebraic Riccati Equation

Chun-Yueh Chiang, Matthew M. Lin

arxiv:1109.5006 v1 · 2011-09-23 · 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{H6OSF54E3E43YOLUG2W5DFWLIR}

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	2026-05-18T04:12:31.738576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f9d22f784d939bc397436add196cb444a3307e4c75d2d9234838d852eb82f9d

Aliases

arxiv: 1109.5006 · arxiv_version: 1109.5006v1 · doi: 10.48550/arxiv.1109.5006 · pith_short_12: H6OSF54E3E43 · pith_short_16: H6OSF54E3E43YOLU · pith_short_8: H6OSF54E

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/H6OSF54E3E43YOLUG2W5DFWLIR \
  | 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: 3f9d22f784d939bc397436add196cb444a3307e4c75d2d9234838d852eb82f9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a0b2f73a2756047d8d3482b814abefd39f95517347c7be2e8aee8685c0d74ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-09-23T06:42:23Z",
    "title_canon_sha256": "be92a8fd80b406c23c8f9ab0855a604574eb3c92f8375b7fd87b97398dbf7d01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5006",
    "kind": "arxiv",
    "version": 1
  }
}