Pith Number

pith:3TQMAM4W

pith:2018:3TQMAM4WDTEIVWD4IP76BFVHWA

not attested not anchored not stored refs pending

Feedback Synthesis For Underactuated Systems Using Sequential Second-Order Needle Variations

Giorgos Mamakoukas, Malcolm A. MacIver, Todd D. Murphey

arxiv:1804.09559 v1 · 2018-04-24 · cs.RO · 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{3TQMAM4WDTEIVWD4IP76BFVHWA}

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	2026-05-18T00:17:31.421022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dce0c033961cc88ad87c43ffe096a7b02219e4013a116cd98ae99925757d1337

Aliases

arxiv: 1804.09559 · arxiv_version: 1804.09559v1 · doi: 10.48550/arxiv.1804.09559 · pith_short_12: 3TQMAM4WDTEI · pith_short_16: 3TQMAM4WDTEIVWD4 · pith_short_8: 3TQMAM4W

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/3TQMAM4WDTEIVWD4IP76BFVHWA \
  | 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: dce0c033961cc88ad87c43ffe096a7b02219e4013a116cd98ae99925757d1337

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "798570315951c80f53bc4ec911539f07dc155702282e9fb6e99e3ab481762c54",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2018-04-24T16:36:01Z",
    "title_canon_sha256": "8dd72135e6a7bde5276acf6167563d29739648bee96bcb219a967d7c745b2c7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09559",
    "kind": "arxiv",
    "version": 1
  }
}