Pith Number

pith:NQ6CISSZ

pith:2017:NQ6CISSZZ34HJUAWCBWITIWNBV

not attested not anchored not stored refs pending

Optimal control of a single leg hopper by Liouvillian system reduction

Michael F. Howland, Patrick Slade, Siobhan Powell

arxiv:1710.02133 v1 · 2017-10-05 · 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{NQ6CISSZZ34HJUAWCBWITIWNBV}

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	2026-05-18T00:33:37.423154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c3c244a59cef874d016106c89a2cd0d66f879dabcc3da89387eeaae5dd6aaef

Aliases

arxiv: 1710.02133 · arxiv_version: 1710.02133v1 · doi: 10.48550/arxiv.1710.02133 · pith_short_12: NQ6CISSZZ34H · pith_short_16: NQ6CISSZZ34HJUAW · pith_short_8: NQ6CISSZ

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/NQ6CISSZZ34HJUAWCBWITIWNBV \
  | 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: 6c3c244a59cef874d016106c89a2cd0d66f879dabcc3da89387eeaae5dd6aaef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc2b03cce40c29029a5fe8be01b0caa1e0a6ce2ae4b7ad319f3a6510aee92f4f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2017-10-05T17:48:56Z",
    "title_canon_sha256": "223c70115bfed30da1856c5a9831293516a13e6ee07215f114744d6dfed8c0ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.02133",
    "kind": "arxiv",
    "version": 1
  }
}