Pith Number

pith:NHIXTZ2R

pith:2014:NHIXTZ2R6JK6IF3EPMIR3K6FY7

not attested not anchored not stored refs pending

Observer Design for a General Class of Nonlinear Systems

Dimitris Boskos, John Tsinias

arxiv:1403.3444 v1 · 2014-03-13 · 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{NHIXTZ2R6JK6IF3EPMIR3K6FY7}

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	2026-05-18T02:56:20.413731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69d179e751f255e417647b111dabc5c7f89cdb01c58f56dfb5f1cbfe4bc8db7e

Aliases

arxiv: 1403.3444 · arxiv_version: 1403.3444v1 · doi: 10.48550/arxiv.1403.3444 · pith_short_12: NHIXTZ2R6JK6 · pith_short_16: NHIXTZ2R6JK6IF3E · pith_short_8: NHIXTZ2R

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/NHIXTZ2R6JK6IF3EPMIR3K6FY7 \
  | 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: 69d179e751f255e417647b111dabc5c7f89cdb01c58f56dfb5f1cbfe4bc8db7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "468a9188b019f286759e953937d9502abf31d4d8e0c459c064d68f984f8ebd34",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-03-13T21:54:27Z",
    "title_canon_sha256": "6fb423fb6c6132821883886735d3a5ac90ccf6784017e0094c47071515c9bca4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.3444",
    "kind": "arxiv",
    "version": 1
  }
}