Pith Number

pith:OQTC73XS

pith:2016:OQTC73XSU4HJ32F5U3MU2MUEWB

not attested not anchored not stored refs pending

Preconditioned Iterative Solves in Model Reduction of Second Order Linear Dynamical Systems

Heike Fassbender, Kapil Ahuja, Navneet Pratap Singh

arxiv:1606.01216 v3 · 2016-06-03 · 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{OQTC73XSU4HJ32F5U3MU2MUEWB}

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	2026-05-18T00:50:52.197758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74262feef2a70e9de8bda6d94d3284b0540be6ed3d109a1ab19d7193ef77077c

Aliases

arxiv: 1606.01216 · arxiv_version: 1606.01216v3 · doi: 10.48550/arxiv.1606.01216 · pith_short_12: OQTC73XSU4HJ · pith_short_16: OQTC73XSU4HJ32F5 · pith_short_8: OQTC73XS

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/OQTC73XSU4HJ32F5U3MU2MUEWB \
  | 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: 74262feef2a70e9de8bda6d94d3284b0540be6ed3d109a1ab19d7193ef77077c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "439bf5b56f433513393ccb2ee7f4cb21d4f110f4ae0a35494d8496836db4a706",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-06-03T18:34:21Z",
    "title_canon_sha256": "b8b320294c058664237fde527974023139651df7dc765bfd22eb609366217827"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.01216",
    "kind": "arxiv",
    "version": 3
  }
}