Pith Number

pith:IUX525QC

pith:2017:IUX525QC2PZG26NND2LP2EXIEE

not attested not anchored not stored refs pending

Numerical methods for large-scale Lyapunov equations with symmetric banded data

Davide Palitta, Valeria Simoncini

arxiv:1711.04187 v2 · 2017-11-11 · 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{IUX525QC2PZG26NND2LP2EXIEE}

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	2026-05-18T00:18:35.868830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

452fdd7602d3f26d79ad1e96fd12e8211c0b6d4c4a0b08c45c8449e63500e290

Aliases

arxiv: 1711.04187 · arxiv_version: 1711.04187v2 · doi: 10.48550/arxiv.1711.04187 · pith_short_12: IUX525QC2PZG · pith_short_16: IUX525QC2PZG26NN · pith_short_8: IUX525QC

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/IUX525QC2PZG26NND2LP2EXIEE \
  | 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: 452fdd7602d3f26d79ad1e96fd12e8211c0b6d4c4a0b08c45c8449e63500e290

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df5db78f0b250b1ff8e02ebb2eaa4881c3c94d89e2db54d2281dc7976d0ebdf0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-11-11T19:43:25Z",
    "title_canon_sha256": "ca14b06a77813f0c0185848469bd66a73fe8371e1c805d635daecf2463f44a40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.04187",
    "kind": "arxiv",
    "version": 2
  }
}