Pith Number

pith:HQK4VJRG

pith:2021:HQK4VJRGWITAQHFSEATM2JC3DQ

not attested not anchored not stored refs pending

A Topology-Switching Coalitional Control and Observation Scheme with Stability Guarantees

Jose Maria Maestre, Paula Chanfreut, Riccardo M.G. Ferrari, Twan Keijzer

arxiv:2104.03787 v1 · 2021-04-08 · 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{HQK4VJRGWITAQHFSEATM2JC3DQ}

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	2026-07-05T03:19:08.081721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c15caa626b226081cb22026cd245b1c130da7ec4802f61df4e122a752ab6600

Aliases

arxiv: 2104.03787 · arxiv_version: 2104.03787v1 · doi: 10.48550/arxiv.2104.03787 · pith_short_12: HQK4VJRGWITA · pith_short_16: HQK4VJRGWITAQHFS · pith_short_8: HQK4VJRG

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/HQK4VJRGWITAQHFSEATM2JC3DQ \
  | 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: 3c15caa626b226081cb22026cd245b1c130da7ec4802f61df4e122a752ab6600

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7f8e48eb55bd42873a53ea6a0cb9e4d4af2cff922a67b8ab10f25d31f180911",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2021-04-08T14:10:47Z",
    "title_canon_sha256": "daca9c573a8b4ff7f698460abd71ec3ebccf5ef8dc309a37d842f5a52d99485b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.03787",
    "kind": "arxiv",
    "version": 1
  }
}