Pith Number

pith:QRGI64NG

pith:2018:QRGI64NG2QURHYYIRF4HZSXLFA

not attested not anchored not stored refs pending

Data driven discrete-time parsimonious identification of a nonlinear state-space model for a weakly nonlinear system with short data record

Anna Marconato, Johan Schoukens, Koen Tiels, Philippe Dreesen, Rishi Relan

arxiv:1805.06252 v1 · 2018-05-16 · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QRGI64NG2QURHYYIRF4HZSXLFA}

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	2026-05-18T00:15:48.299196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

844c8f71a6d42913e30889787ccaeb28306c17702034ebc98a1328249a3f952c

Aliases

arxiv: 1805.06252 · arxiv_version: 1805.06252v1 · doi: 10.48550/arxiv.1805.06252 · pith_short_12: QRGI64NG2QUR · pith_short_16: QRGI64NG2QURHYYI · pith_short_8: QRGI64NG

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/QRGI64NG2QURHYYIRF4HZSXLFA \
  | 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: 844c8f71a6d42913e30889787ccaeb28306c17702034ebc98a1328249a3f952c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e802f372b81c6f22c6d827e7c83deef43cf715754c1d3785fdab8a65f1771e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2018-05-16T11:47:12Z",
    "title_canon_sha256": "6a69a8c996ebd49896d4b9fc3d68f9be55c1580c3c6748ea9b7b1c4609f940d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.06252",
    "kind": "arxiv",
    "version": 1
  }
}