Pith Number

pith:53EP4ZS5

pith:2017:53EP4ZS5IXUTOPNZJ3DG4Z5CIQ

not attested not anchored not stored refs pending

An Ensemble Quadratic Echo State Network for Nonlinear Spatio-Temporal Forecasting

Christopher K. Wikle, Patrick L. McDermott

arxiv:1708.05094 v1 · 2017-08-16 · stat.ML · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{53EP4ZS5IXUTOPNZJ3DG4Z5CIQ}

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	2026-05-18T00:37:53.863758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eec8fe665d45e9373db94ec66e67a244245700d38df7e4fc3b3874cc7cbde1df

Aliases

arxiv: 1708.05094 · arxiv_version: 1708.05094v1 · doi: 10.48550/arxiv.1708.05094 · pith_short_12: 53EP4ZS5IXUT · pith_short_16: 53EP4ZS5IXUTOPNZ · pith_short_8: 53EP4ZS5

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/53EP4ZS5IXUTOPNZJ3DG4Z5CIQ \
  | 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: eec8fe665d45e9373db94ec66e67a244245700d38df7e4fc3b3874cc7cbde1df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a658384289fc42138f1cc6fda669e6010b03940d744bb57e4f438f6cfad72816",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-08-16T22:08:25Z",
    "title_canon_sha256": "6fd37baa6160b6d8633ca53817c39046275eae4ed3ad79581b1201d465e385b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.05094",
    "kind": "arxiv",
    "version": 1
  }
}