Pith Number

pith:W255GXND

pith:2018:W255GXNDI2657JF5VTJNHK2AC3

not attested not anchored not stored refs pending

Approximately Reachable Directions for Piecewise Linear Switched Systems

Dan Goreac

arxiv:1807.02319 v2 · 2018-07-06 · math.OC · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W255GXNDI2657JF5VTJNHK2AC3}

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	2026-05-18T00:02:17.702693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6bbd35da346bddfa4bdacd2d3ab4016ff49a892288a6564d847a64a910272f2

Aliases

arxiv: 1807.02319 · arxiv_version: 1807.02319v2 · doi: 10.48550/arxiv.1807.02319 · pith_short_12: W255GXNDI265 · pith_short_16: W255GXNDI2657JF5 · pith_short_8: W255GXND

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/W255GXNDI2657JF5VTJNHK2AC3 \
  | 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: b6bbd35da346bddfa4bdacd2d3ab4016ff49a892288a6564d847a64a910272f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89b6fed68107d3e831508a84615d2a913642b40ab6df1abe5ea8a6756cc84d30",
    "cross_cats_sorted": [
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-07-06T09:02:46Z",
    "title_canon_sha256": "38607967536dbf90d0d0fd8bb5be12e61542b3f31dc324b8e4e8bbdb11b78d55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02319",
    "kind": "arxiv",
    "version": 2
  }
}