Pith Number

pith:OSRHKABP

pith:2014:OSRHKABP47VO5PI7W7CS2S5LL2

not attested not anchored not stored refs pending

Max-plus fundamental solution semigroups for a class of difference Riccati equations

Huan Zhang, Peter M. Dower

arxiv:1404.7593 v2 · 2014-04-30 · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OSRHKABP47VO5PI7W7CS2S5LL2}

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	2026-05-18T02:03:45.387772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74a275002fe7eaeebd1fb7c52d4bab5eac8b69ef2fc171b2c5d24056987dbfe9

Aliases

arxiv: 1404.7593 · arxiv_version: 1404.7593v2 · doi: 10.48550/arxiv.1404.7593 · pith_short_12: OSRHKABP47VO · pith_short_16: OSRHKABP47VO5PI7 · pith_short_8: OSRHKABP

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/OSRHKABP47VO5PI7W7CS2S5LL2 \
  | 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: 74a275002fe7eaeebd1fb7c52d4bab5eac8b69ef2fc171b2c5d24056987dbfe9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa9ccb9a06dfedfce5ce45d333ca88c34979209d574b4d2a2a09f418d0a394af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-04-30T05:36:53Z",
    "title_canon_sha256": "07111b9a3e7b70465b36099d4a66cf800f2a10cd8de6bddfba93b50c025b0df5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.7593",
    "kind": "arxiv",
    "version": 2
  }
}