pith. sign in
Pith Number

pith:J27POKN7

pith:2012:J27POKN76QI2AIVTA3FP442EVM
not attested not anchored not stored refs pending

Linear positive control systems on time scales. Controllability

Zbigniew Bartosiewicz

arxiv:1204.3182 v1 · 2012-04-14 · math.OC

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{J27POKN76QI2AIVTA3FP442EVM}

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 2026-05-18T03:57:52.322644Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4ebef729bff411a022b306cafe7344ab1a8dbd42ab021297f0712302183ea923

Aliases

arxiv: 1204.3182 · arxiv_version: 1204.3182v1 · doi: 10.48550/arxiv.1204.3182 · pith_short_12: J27POKN76QI2 · pith_short_16: J27POKN76QI2AIVT · pith_short_8: J27POKN7
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/J27POKN76QI2AIVTA3FP442EVM \
  | 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: 4ebef729bff411a022b306cafe7344ab1a8dbd42ab021297f0712302183ea923
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "61851cdc1f2be9aeedde27e588974578b694dd6a65f1697e3c545de9c3ef21b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2012-04-14T15:27:47Z",
    "title_canon_sha256": "4ba5d8f99aa1f5e49be31a474041adfe8dc553b7410325d900bf45a31c698da4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3182",
    "kind": "arxiv",
    "version": 1
  }
}