Pith Number

pith:PF55EMDE

pith:2020:PF55EMDEXPD7V26FOWSMTFPLSL

not attested not anchored not stored refs pending

Optimal terminal sliding-mode control for second-order motion systems

Michael Ruderman

arxiv:2001.09043 v4 · 2020-01-24 · 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{PF55EMDEXPD7V26FOWSMTFPLSL}

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	2026-07-05T02:25:16.940999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

797bd23064bbc7faebc575a4c995eb92fe3be7fd4e9682d105a2f711917a944c

Aliases

arxiv: 2001.09043 · arxiv_version: 2001.09043v4 · doi: 10.48550/arxiv.2001.09043 · pith_short_12: PF55EMDEXPD7 · pith_short_16: PF55EMDEXPD7V26F · pith_short_8: PF55EMDE

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/PF55EMDEXPD7V26FOWSMTFPLSL \
  | 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: 797bd23064bbc7faebc575a4c995eb92fe3be7fd4e9682d105a2f711917a944c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57e1b3be406fc2e206d3208fc333122f2eaa1188e697f47521810ccc670de7d4",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2020-01-24T14:56:35Z",
    "title_canon_sha256": "445f00762b709d78c6c8f294c221a633497c97c198d6ffeae95e9fe7a24c171b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.09043",
    "kind": "arxiv",
    "version": 4
  }
}