Pith Number

pith:XP7Q4E4Q

pith:2022:XP7Q4E4QW62AZRQ7CE6L7AJ6UX

not attested not anchored not stored refs pending

Variational message passing for online polynomial NARMAX identification

Albert Podusenko, Maarten Schoukens, Magnus Koudahl, Wouter Kouw

arxiv:2204.00769 v1 · 2022-04-02 · stat.ML · cs.LG · cs.SY · eess.SP · eess.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{XP7Q4E4QW62AZRQ7CE6L7AJ6UX}

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	2026-07-05T04:10:55.885477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbff0e1390b7b40cc61f113cbf813ea5e55b4e508289a5da2b3517fc0a9fa62e

Aliases

arxiv: 2204.00769 · arxiv_version: 2204.00769v1 · doi: 10.48550/arxiv.2204.00769 · pith_short_12: XP7Q4E4QW62A · pith_short_16: XP7Q4E4QW62AZRQ7 · pith_short_8: XP7Q4E4Q

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/XP7Q4E4QW62AZRQ7CE6L7AJ6UX \
  | 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: bbff0e1390b7b40cc61f113cbf813ea5e55b4e508289a5da2b3517fc0a9fa62e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c01e61f58dd83a806e054406133d7a2129034050aecade0386bc2e9c40e7f476",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.SY",
      "eess.SP",
      "eess.SY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2022-04-02T05:39:57Z",
    "title_canon_sha256": "5411724412cfb559a7e8164dbb45d237e918c7e96f8ad7183d03e6fab26c1c15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.00769",
    "kind": "arxiv",
    "version": 1
  }
}