Pith Number

pith:5KSPYNZQ

pith:2020:5KSPYNZQGUA5DAB26JSUTJHF3E

not attested not anchored not stored refs pending

Generalized Parameter Estimation-based Observers: Application to Power Systems and Chemical-Biological Reactors

Alexey Bobtsov, Denis Dochain, Johannes Schiffer, Nikolay Nikolaev, Romeo Ortega

arxiv:2003.10952 v2 · 2020-03-24 · math.DS · 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{5KSPYNZQGUA5DAB26JSUTJHF3E}

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	2026-07-05T01:51:18.710177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eaa4fc37303501d1803af26549a4e5d93ddf3d2f8672e1fdb36229e3b347d451

Aliases

arxiv: 2003.10952 · arxiv_version: 2003.10952v2 · doi: 10.48550/arxiv.2003.10952 · pith_short_12: 5KSPYNZQGUA5 · pith_short_16: 5KSPYNZQGUA5DAB2 · pith_short_8: 5KSPYNZQ

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/5KSPYNZQGUA5DAB26JSUTJHF3E \
  | 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: eaa4fc37303501d1803af26549a4e5d93ddf3d2f8672e1fdb36229e3b347d451

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d495835a7a74610d0949e61161c00d501b3e18a5f103a82ca1a34964f726972",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2020-03-24T16:28:18Z",
    "title_canon_sha256": "fbbe7c5e28b44bd5e2e295def0103749e61a10be86614de75271db04851a8036"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.10952",
    "kind": "arxiv",
    "version": 2
  }
}