Pith Number

pith:UPGS5URU

pith:2014:UPGS5URU645MNHOVBG554RIK73

not attested not anchored not stored refs pending

Adaptive observers for nonlinearly parameterized systems subjected to parametric constraints

H. Nijmeijer, I.Yu. Tyukin, P.A. Rogachev

arxiv:1412.5379 v1 · 2014-12-17 · 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{UPGS5URU645MNHOVBG554RIK73}

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	2026-05-18T02:31:03.089429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3cd2ed234f73ac69dd509bbde450afee905de987b3fb4f5f47fa55a837de1f5

Aliases

arxiv: 1412.5379 · arxiv_version: 1412.5379v1 · doi: 10.48550/arxiv.1412.5379 · pith_short_12: UPGS5URU645M · pith_short_16: UPGS5URU645MNHOV · pith_short_8: UPGS5URU

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/UPGS5URU645MNHOVBG554RIK73 \
  | 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: a3cd2ed234f73ac69dd509bbde450afee905de987b3fb4f5f47fa55a837de1f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e14137155233e58872ba3062355910c3f2c37048782739bc36af1a5d17493e2a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-12-17T13:31:25Z",
    "title_canon_sha256": "3965f7688237736079545eef4f4b239dab6fc875c249723172015f3a15322861"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.5379",
    "kind": "arxiv",
    "version": 1
  }
}