Pith Number

pith:FR4SJ6QM

pith:2020:FR4SJ6QMV3DULTJAM5BMCTBBR3

not attested not anchored not stored refs pending

Equivariant Systems Theory and Observer Design

Jochen Trumpf, Robert Mahony, Tarek Hamel

arxiv:2006.08276 v3 · 2020-06-15 · 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{FR4SJ6QMV3DULTJAM5BMCTBBR3}

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.

Cited by

1 paper in Pith

Leveraging Equivariances and Symmetries in the Control Barrier Function Synthesis

Receipt and verification

First computed	2026-07-05T01:31:28.193518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c7924fa0caec745cd206742c14c218ef7beadda2c1b4134282a93f506af182f

Aliases

arxiv: 2006.08276 · arxiv_version: 2006.08276v3 · doi: 10.48550/arxiv.2006.08276 · pith_short_12: FR4SJ6QMV3DU · pith_short_16: FR4SJ6QMV3DULTJA · pith_short_8: FR4SJ6QM

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/FR4SJ6QMV3DULTJAM5BMCTBBR3 \
  | 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: 2c7924fa0caec745cd206742c14c218ef7beadda2c1b4134282a93f506af182f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c37f3bc374f4fb5e1bece421a1e94adcfa4d47786c42f9d1e654212cc8675cc7",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2020-06-15T10:45:04Z",
    "title_canon_sha256": "e8ddc2aca2d0e37d3fc31b2916eedc3392e28e9eea0329da9511d0768011becf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.08276",
    "kind": "arxiv",
    "version": 3
  }
}