Pith Number

pith:5LXKE3P5

pith:2020:5LXKE3P57JWO3PF2XSACWYTRUC

not attested not anchored not stored refs pending

Controller design for robust invariance from noisy data

Andrea Bisoffi, Claudio De Persis, Pietro Tesi

arxiv:2007.13181 v1 · 2020-07-26 · eess.SY · cs.SY · 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{5LXKE3P57JWO3PF2XSACWYTRUC}

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	2026-07-05T04:25:39.714244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eaeea26dfdfa6cedbcbabc802b6271a09eaec167a2464d270d10ff788cf56ceb

Aliases

arxiv: 2007.13181 · arxiv_version: 2007.13181v1 · doi: 10.48550/arxiv.2007.13181 · pith_short_12: 5LXKE3P57JWO · pith_short_16: 5LXKE3P57JWO3PF2 · pith_short_8: 5LXKE3P5

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/5LXKE3P57JWO3PF2XSACWYTRUC \
  | 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: eaeea26dfdfa6cedbcbabc802b6271a09eaec167a2464d270d10ff788cf56ceb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b40810df039197dc44bb0c219c4dcff2f2011ea6fcab5972b1adca74243c9a8d",
    "cross_cats_sorted": [
      "cs.SY",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2020-07-26T17:08:42Z",
    "title_canon_sha256": "55f7055bbb60cfc8f92c1461842333b9e5ffe901c0daea646a7a98480df9c066"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.13181",
    "kind": "arxiv",
    "version": 1
  }
}