Pith Number

pith:6TACCID7

pith:2016:6TACCID7EDRWT6WGC2TN7IKZS3

not attested not anchored not stored refs pending

Convergence of Nonlinear Observers on R^n with a Riemannian Metric (Part II)

Laurent Praly, Ricardo G. Sanfelice

arxiv:1606.05834 v1 · 2016-06-19 · math.OC · cs.SY · math.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6TACCID7EDRWT6WGC2TN7IKZS3}

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	2026-05-18T01:12:15.958401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4c021207f20e369fac616a6dfa15996ff94a342eda72dc1c0c204e14b899648

Aliases

arxiv: 1606.05834 · arxiv_version: 1606.05834v1 · doi: 10.48550/arxiv.1606.05834 · pith_short_12: 6TACCID7EDRW · pith_short_16: 6TACCID7EDRWT6WG · pith_short_8: 6TACCID7

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/6TACCID7EDRWT6WGC2TN7IKZS3 \
  | 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: f4c021207f20e369fac616a6dfa15996ff94a342eda72dc1c0c204e14b899648

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d878b69f4c65a5cfa9086f3a90fc68e5df48f36147d2f03da88352116080516f",
    "cross_cats_sorted": [
      "cs.SY",
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-06-19T05:52:24Z",
    "title_canon_sha256": "2fa2e63d7229032f6d756373c2553c4d09133e96f1e2cba4344598266224c74d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.05834",
    "kind": "arxiv",
    "version": 1
  }
}