Pith Number

pith:7HANFQ5Y

pith:2025:7HANFQ5YQ76HB2EKD3RKIC6SLH

not attested not anchored not stored refs pending

Hardware-Friendly Delayed-Feedback Reservoir for Multivariate Time-Series Classification

Hiromitsu Awano, Sosei Ikeda, Takashi Sato

arxiv:2504.11981 v1 · 2025-04-16 · cs.LG · cs.AR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7HANFQ5YQ76HB2EKD3RKIC6SLH}

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	2026-07-05T10:50:00.720269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9c0d2c3b887fc70e88a1ee2a40bd259eb037dd9dd92de9c12af43b5600c4e74

Aliases

arxiv: 2504.11981 · arxiv_version: 2504.11981v1 · doi: 10.48550/arxiv.2504.11981 · pith_short_12: 7HANFQ5YQ76H · pith_short_16: 7HANFQ5YQ76HB2EK · pith_short_8: 7HANFQ5Y

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/7HANFQ5YQ76HB2EKD3RKIC6SLH \
  | 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: f9c0d2c3b887fc70e88a1ee2a40bd259eb037dd9dd92de9c12af43b5600c4e74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5158448da5db470b66e1fb76018ff1b7b3f4f3e0fdcf3578cef8e2e6c1c06ce",
    "cross_cats_sorted": [
      "cs.AR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-04-16T11:22:38Z",
    "title_canon_sha256": "2692559eba52c3ee7d54d565b35c7b279e9de9547753504fb5b48f7cec0ffb9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.11981",
    "kind": "arxiv",
    "version": 1
  }
}