Pith Number

pith:RYZOFC6U

pith:2004:RYZOFC6UUU6XVXBPGC34NTGXCQ

not attested not anchored not stored refs pending

Discrete Nonlinear Observers for Inertial Navigation

Jean-Jacques E. Slotine, Yong Zhao

arxiv:math/0403001 v1 · 2004-02-27 · 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{RYZOFC6UUU6XVXBPGC34NTGXCQ}

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	2026-07-04T14:38:16.469029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e32e28bd4a53d7adc2f30b7c6ccd7143033c383ff8b522153d99e63efe69d6a

Aliases

arxiv: math/0403001 · arxiv_version: math/0403001v1 · doi: 10.48550/arxiv.math/0403001 · pith_short_12: RYZOFC6UUU6X · pith_short_16: RYZOFC6UUU6XVXBP · pith_short_8: RYZOFC6U

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/RYZOFC6UUU6XVXBPGC34NTGXCQ \
  | 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: 8e32e28bd4a53d7adc2f30b7c6ccd7143033c383ff8b522153d99e63efe69d6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd7cd01a3967277a0d645189ba218dffee42b8ddcb9d3c8d094dcc82afc4eca8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.OC",
    "submitted_at": "2004-02-27T22:40:31Z",
    "title_canon_sha256": "7cc5ffd99790f786669796da3c2e749cd426f1d640f8543973bf9b77093240f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0403001",
    "kind": "arxiv",
    "version": 1
  }
}