Pith Number

pith:ZS5SOAWP

pith:2015:ZS5SOAWP4L24L2SZPOPNPDK72U

not attested not anchored not stored refs pending

Passivity-based PI control of first-order systems with I/O communication delays: A complete sigma-stability analysis

Adri\'an Ram\'irez, Edgar Estrada, Fernando Casta\~nos, Sabine Mondi\'e

arxiv:1507.01146 v1 · 2015-07-04 · math.OC · cs.SY · eess.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZS5SOAWP4L24L2SZPOPNPDK72U}

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	2026-06-04T17:09:23.073407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccbb2702cfe2f5c5ea597b9ed78d5fd505b840c28bfc1fdb8cda24fe8cb9cb16

Aliases

arxiv: 1507.01146 · arxiv_version: 1507.01146v1 · doi: 10.48550/arxiv.1507.01146 · pith_short_12: ZS5SOAWP4L24 · pith_short_16: ZS5SOAWP4L24L2SZ · pith_short_8: ZS5SOAWP

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/ZS5SOAWP4L24L2SZPOPNPDK72U \
  | 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: ccbb2702cfe2f5c5ea597b9ed78d5fd505b840c28bfc1fdb8cda24fe8cb9cb16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2edf48017dcc418bd6fa5221ab2d1eef9da259a7ac50380581749174c69e4a12",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-07-04T21:28:00Z",
    "title_canon_sha256": "ca19ff82706ca15095c65a0eb62f2d5c1310c81aa2d1cc3b2c34d240ae24689b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.01146",
    "kind": "arxiv",
    "version": 1
  }
}