Pith Number

pith:2YLTYKDP

pith:2017:2YLTYKDPDDCDVIO5GLEPRI6CLZ

not attested not anchored not stored refs pending

Controllability of Linear Positive Systems: An Alternative Formulation

Bart De Schutter, Jan H. van Schuppen, Yashar Zeinaly

arxiv:1704.06755 v1 · 2017-04-22 · 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{2YLTYKDPDDCDVIO5GLEPRI6CLZ}

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	2026-05-18T00:45:57.702956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6173c286f18c43aa1dd32c8f8a3c25e518dd35a903181a59f54a86e5a34c1fc

Aliases

arxiv: 1704.06755 · arxiv_version: 1704.06755v1 · doi: 10.48550/arxiv.1704.06755 · pith_short_12: 2YLTYKDPDDCD · pith_short_16: 2YLTYKDPDDCDVIO5 · pith_short_8: 2YLTYKDP

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/2YLTYKDPDDCDVIO5GLEPRI6CLZ \
  | 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: d6173c286f18c43aa1dd32c8f8a3c25e518dd35a903181a59f54a86e5a34c1fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eefd69b39a2f89e65c7324f58cb54cb5afce7aaddfa8fe4c1f92c53ca1f09dac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-04-22T06:27:22Z",
    "title_canon_sha256": "65c88b0833147fb314af592f7f04e271127ab809bfa46bcc6645c32f6051c396"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.06755",
    "kind": "arxiv",
    "version": 1
  }
}