Pith Number

pith:PNX7PLFE

pith:2015:PNX7PLFEYGYFQJNIV6J5XLLMKA

not attested not anchored not stored refs pending

Well-posedness and Stability of Linear Port-Hamiltonian Systems with Nonlinear Boundary Feedback

Bj\"orn Augner

arxiv:1506.02921 v2 · 2015-06-09 · math.AP · math.FA · 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{PNX7PLFEYGYFQJNIV6J5XLLMKA}

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	2026-05-17T23:44:48.725458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b6ff7aca4c1b05825a8af93dbad6c502ff5e3fb6da6c27363c42f312bfad93b

Aliases

arxiv: 1506.02921 · arxiv_version: 1506.02921v2 · doi: 10.48550/arxiv.1506.02921 · pith_short_12: PNX7PLFEYGYF · pith_short_16: PNX7PLFEYGYFQJNI · pith_short_8: PNX7PLFE

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/PNX7PLFEYGYFQJNIV6J5XLLMKA \
  | 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: 7b6ff7aca4c1b05825a8af93dbad6c502ff5e3fb6da6c27363c42f312bfad93b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4384b90c125a518d95bdaf457a835b24590fc7d931464df5de1486f1147a1d87",
    "cross_cats_sorted": [
      "math.FA",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-06-09T14:16:14Z",
    "title_canon_sha256": "185bfd7af8031dfaf46d19a85aea40631c9e83a58ab21fcddb3fd6c41c36f64c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.02921",
    "kind": "arxiv",
    "version": 2
  }
}