Pith Number

pith:IIUAXCTZ

pith:2011:IIUAXCTZ64C7CQ3DTOJEW3Q6P5

not attested not anchored not stored refs pending

The SDA Method for Numerical Solution of Lur'e Equations

Federico Poloni, Timo Reis

arxiv:1101.1231 v1 · 2011-01-06 · 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{IIUAXCTZ64C7CQ3DTOJEW3Q6P5}

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	2026-05-18T04:32:00.289617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42280b8a79f705f143639b924b6e1e7f4fb6ed7ded9835df8d1b86f7a28ef782

Aliases

arxiv: 1101.1231 · arxiv_version: 1101.1231v1 · doi: 10.48550/arxiv.1101.1231 · pith_short_12: IIUAXCTZ64C7 · pith_short_16: IIUAXCTZ64C7CQ3D · pith_short_8: IIUAXCTZ

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/IIUAXCTZ64C7CQ3DTOJEW3Q6P5 \
  | 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: 42280b8a79f705f143639b924b6e1e7f4fb6ed7ded9835df8d1b86f7a28ef782

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cfc9e08e2d4bddb9da6406cd9b1f62a113bdd26b38248f1da4a649dcaaeb817",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-01-06T15:00:31Z",
    "title_canon_sha256": "7d42bc6c2c369e3447e511b6bc323edb8ac3b5418e69461dfabafb28df6cf77e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1231",
    "kind": "arxiv",
    "version": 1
  }
}