Pith Number

pith:4NPZST7Y

pith:2017:4NPZST7Y5TSVICGVK4YQ64HEVI

not attested not anchored not stored refs pending

Riccati observers for velocity-aided attitude estimation of accelerated vehicles using coupled velocity measurements

Claude Samson, Minh-Duc Hua, Tarek Hamel

arxiv:1703.07252 v1 · 2017-03-21 · 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{4NPZST7Y5TSVICGVK4YQ64HEVI}

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	2026-05-18T00:48:10.862159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e35f994ff8ece55408d557310f70e4aa04e147c5935ac04312883edf43ccfa42

Aliases

arxiv: 1703.07252 · arxiv_version: 1703.07252v1 · doi: 10.48550/arxiv.1703.07252 · pith_short_12: 4NPZST7Y5TSV · pith_short_16: 4NPZST7Y5TSVICGV · pith_short_8: 4NPZST7Y

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/4NPZST7Y5TSVICGVK4YQ64HEVI \
  | 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: e35f994ff8ece55408d557310f70e4aa04e147c5935ac04312883edf43ccfa42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96c27978bb357a2dcaab2e6b5b05b170965ff48382c94cb21e13e077341f0d22",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-03-21T14:54:29Z",
    "title_canon_sha256": "504c9fc6e5bc54ae4844fb7f808ce2e88703bd9e66427ff180caadf4a6f882a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.07252",
    "kind": "arxiv",
    "version": 1
  }
}