Pith Number

pith:WOOCGKR3

pith:2016:WOOCGKR34WUTA5ICUO2Q3KV3P2

not attested not anchored not stored refs pending

Observer design for piecewise smooth and switched systems via contraction theory

Davide Fiore, Marco Coraggio, Mario di Bernardo

arxiv:1611.02518 v2 · 2016-11-08 · eess.SY · cs.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{WOOCGKR34WUTA5ICUO2Q3KV3P2}

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	2026-06-04T18:10:15.052953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b39c232a3be5a9307502a3b50daabb7eae7ebfcc82c5c1f7a58193a4fecc598d

Aliases

arxiv: 1611.02518 · arxiv_version: 1611.02518v2 · doi: 10.48550/arxiv.1611.02518 · pith_short_12: WOOCGKR34WUT · pith_short_16: WOOCGKR34WUTA5IC · pith_short_8: WOOCGKR3

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/WOOCGKR34WUTA5ICUO2Q3KV3P2 \
  | 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: b39c232a3be5a9307502a3b50daabb7eae7ebfcc82c5c1f7a58193a4fecc598d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c2cd66e643456001ce63a9bf1b5657008ada526a58e231c12d73d726edb8321",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2016-11-08T13:53:24Z",
    "title_canon_sha256": "86f2fa6f3a729bf0742392166faf7ff1000e643ca00740f1e7bcd5d61044a1e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.02518",
    "kind": "arxiv",
    "version": 2
  }
}