Pith Number

pith:ZCJMFK3X

pith:2019:ZCJMFK3XEHFTKQ6J64A4DWZZUC

not attested not anchored not stored refs pending

Efficient Cross-Validation of Echo State Networks

Arnas Uselis (1) ((1) Kaunas University of Technology), Mantas Luko\v{s}evi\v{c}ius (1)

arxiv:1908.08450 v1 · 2019-08-22 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZCJMFK3XEHFTKQ6J64A4DWZZUC}

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	2026-07-05T01:17:38.245547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c892c2ab7721cb3543c9f701c1db39a0bf8e7dd037a8cbe7c21bb0be7e15f501

Aliases

arxiv: 1908.08450 · arxiv_version: 1908.08450v1 · doi: 10.48550/arxiv.1908.08450 · pith_short_12: ZCJMFK3XEHFT · pith_short_16: ZCJMFK3XEHFTKQ6J · pith_short_8: ZCJMFK3X

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/ZCJMFK3XEHFTKQ6J64A4DWZZUC \
  | 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: c892c2ab7721cb3543c9f701c1db39a0bf8e7dd037a8cbe7c21bb0be7e15f501

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2987f2ac4ff63677ac53cac94dceabe5909b7f8fb0aaed8c71e2d983e49e8da0",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-08-22T15:26:04Z",
    "title_canon_sha256": "7ee002e9ffa884d63722020e27222a345abe3574031feb37933b5660f1912113"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08450",
    "kind": "arxiv",
    "version": 1
  }
}