Pith Number

pith:7UHOUHTA

pith:2025:7UHOUHTAF5XA6ENCEWMVS5AECS

not attested not anchored not stored refs pending

Decoupling Periodic Systems: An Algebraic Approach

Vladim\'ir Ku\v{c}era

arxiv:2505.23616 v2 · 2025-05-29 · eess.SY · cs.SY · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7UHOUHTAF5XA6ENCEWMVS5AECS}

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	2026-07-05T11:32:29.780956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd0eea1e602f6e0f11a2259959740414b6e65033d18bd7c1dc687fd35f140d21

Aliases

arxiv: 2505.23616 · arxiv_version: 2505.23616v2 · doi: 10.48550/arxiv.2505.23616 · pith_short_12: 7UHOUHTAF5XA · pith_short_16: 7UHOUHTAF5XA6ENC · pith_short_8: 7UHOUHTA

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/7UHOUHTAF5XA6ENCEWMVS5AECS \
  | 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: fd0eea1e602f6e0f11a2259959740414b6e65033d18bd7c1dc687fd35f140d21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdf9a9dfcf5a65cf174926e012619ad80c0e26f30401dbd9668a71f7e88e20ef",
    "cross_cats_sorted": [
      "cs.SY",
      "math.RA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2025-05-29T16:24:55Z",
    "title_canon_sha256": "0c8ba0dcda2d664cfcb967da3566ba381dc714f2311089f700a8172465a026e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.23616",
    "kind": "arxiv",
    "version": 2
  }
}