Pith Number

pith:AF3WIAPC

pith:2022:AF3WIAPC6NITSCDV4UIDO2QLY6

not attested not anchored not stored refs pending

Parameter Estimation of Two Classes of Nonlinear Systems with Non-separable Nonlinear Parameterizations

Alexey Bobtsov, Nikolay Nikolaev, Ramon Costa-Castello, Romeo Ortega

arxiv:2211.06455 v2 · 2022-11-11 · 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{AF3WIAPC6NITSCDV4UIDO2QLY6}

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	2026-07-05T05:16:38.949036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01776401e2f351390875e510376a0bc7af3caa23239352d965f4f02eaa3cfe2b

Aliases

arxiv: 2211.06455 · arxiv_version: 2211.06455v2 · doi: 10.48550/arxiv.2211.06455 · pith_short_12: AF3WIAPC6NIT · pith_short_16: AF3WIAPC6NITSCDV · pith_short_8: AF3WIAPC

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/AF3WIAPC6NITSCDV4UIDO2QLY6 \
  | 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: 01776401e2f351390875e510376a0bc7af3caa23239352d965f4f02eaa3cfe2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9b66858e52a4d39a70e207bde5b56eb54dfba2b77a26c87cede90a4e231ec07",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2022-11-11T19:29:08Z",
    "title_canon_sha256": "1c7ca2eefe5981784dc3da8faa657bd061ad40de8b21ee14855d8547c78ce7a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.06455",
    "kind": "arxiv",
    "version": 2
  }
}