Pith Number

pith:NVJAIC2Z

pith:2015:NVJAIC2ZPPACBR7PDEAUFHHHIB

not attested not anchored not stored refs pending

An Algorithm for System Identification of a Discrete-Time Polynomial System without Inputs

Jana N\v{e}mcov\'a, Jan H. van Schuppen, Mih\'aly Petreczky

arxiv:1507.02246 v1 · 2015-07-08 · 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{NVJAIC2ZPPACBR7PDEAUFHHHIB}

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	2026-05-18T01:37:08.302729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d52040b597bc020c7ef1901429ce740741c0d21d8f1224976a515cbee46cad3

Aliases

arxiv: 1507.02246 · arxiv_version: 1507.02246v1 · doi: 10.48550/arxiv.1507.02246 · pith_short_12: NVJAIC2ZPPAC · pith_short_16: NVJAIC2ZPPACBR7P · pith_short_8: NVJAIC2Z

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/NVJAIC2ZPPACBR7PDEAUFHHHIB \
  | 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: 6d52040b597bc020c7ef1901429ce740741c0d21d8f1224976a515cbee46cad3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "491387825f42d02b2d04211a397df135011448bd4088c93b99e568d282a255d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-07-08T18:23:13Z",
    "title_canon_sha256": "07589bf91f522e6c5fe31073b67b3cadb477bf1d976c43debeaa8698c26be0f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02246",
    "kind": "arxiv",
    "version": 1
  }
}