Pith Number

pith:QJ7JMNOA

pith:2015:QJ7JMNOAM63KI3S4PRUBQCKOV3

not attested not anchored not stored refs pending

Exploring Transfer Function Nonlinearity in Echo State Networks

Alireza Goudarzi, Alireza Shabani, Darko Stefanovic

arxiv:1502.04423 v2 · 2015-02-16 · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QJ7JMNOAM63KI3S4PRUBQCKOV3}

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	2026-05-18T02:17:51.225807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

827e9635c067b6a46e5c7c6818094eaedf062215c57ddebba0df970ccfbeb576

Aliases

arxiv: 1502.04423 · arxiv_version: 1502.04423v2 · doi: 10.48550/arxiv.1502.04423 · pith_short_12: QJ7JMNOAM63K · pith_short_16: QJ7JMNOAM63KI3S4 · pith_short_8: QJ7JMNOA

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/QJ7JMNOAM63KI3S4PRUBQCKOV3 \
  | 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: 827e9635c067b6a46e5c7c6818094eaedf062215c57ddebba0df970ccfbeb576

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81393cc3e850575d33a94cbc7bd18f1b44bdc58f80bf119d4fe5422dbb3fe348",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2015-02-16T05:52:23Z",
    "title_canon_sha256": "01aace4c96620a83f9b0c8a36ccf49ba5c7f34117e3c20cdead8e7c4255375f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04423",
    "kind": "arxiv",
    "version": 2
  }
}