Pith Number

pith:75RVVWNH

pith:2025:75RVVWNHDYZQZXBJ3DWWLGS4LR

not attested not anchored not stored refs pending

Unsupervised Learning in Echo State Networks for Input Reconstruction

Kantaro Fujiwara, Taiki Yamada, Yuichi Katori

arxiv:2501.11409 v4 · 2025-01-20 · cs.LG · cs.AI · eess.SP · nlin.CD · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{75RVVWNHDYZQZXBJ3DWWLGS4LR}

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	2026-07-05T11:45:30.921377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff635ad9a71e330cdc29d8ed659a5c5c499a0d7959b04cc5e65fa981d2e8d262

Aliases

arxiv: 2501.11409 · arxiv_version: 2501.11409v4 · doi: 10.48550/arxiv.2501.11409 · pith_short_12: 75RVVWNHDYZQ · pith_short_16: 75RVVWNHDYZQZXBJ · pith_short_8: 75RVVWNH

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/75RVVWNHDYZQZXBJ3DWWLGS4LR \
  | 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: ff635ad9a71e330cdc29d8ed659a5c5c499a0d7959b04cc5e65fa981d2e8d262

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b04038a3f77a263ced18d93f2b8ac4bed0a03ad5206cc8d2f55c807a6139d050",
    "cross_cats_sorted": [
      "cs.AI",
      "eess.SP",
      "nlin.CD",
      "q-bio.NC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-01-20T11:16:44Z",
    "title_canon_sha256": "9355e932859dd6e6541fa47e963ec7553bc7e84b067f9b07a3683b5a077464c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.11409",
    "kind": "arxiv",
    "version": 4
  }
}