Pith Number

pith:G4ZWXKCE

pith:2021:G4ZWXKCEX7MUKP6XCCQVDZHIIS

not attested not anchored not stored refs pending

Performance versus Complexity Study of Neural Network Equalizers in Coherent Optical Systems

Antonio Napoli, Bernhard Spinnler, Jaroslaw E. Prilepsky, Nelson Costa, Pedro J. Freire, Sergei K. Turitsyn, Wolfgang Schairer, Yevhenii Osadchuk

arxiv:2103.08212 v2 · 2021-03-15 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G4ZWXKCEX7MUKP6XCCQVDZHIIS}

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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	2026-07-05T03:21:44.465758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37336ba844bfd9453fd710a151e4e844b71418cc76f5a9cf059e76a946d5840a

Aliases

arxiv: 2103.08212 · arxiv_version: 2103.08212v2 · doi: 10.48550/arxiv.2103.08212 · pith_short_12: G4ZWXKCEX7MU · pith_short_16: G4ZWXKCEX7MUKP6X · pith_short_8: G4ZWXKCE

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/G4ZWXKCEX7MUKP6XCCQVDZHIIS \
  | 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: 37336ba844bfd9453fd710a151e4e844b71418cc76f5a9cf059e76a946d5840a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c41c76b7af1a49dd351d6bea81e7eae6bf064a4da6f8b2ac0f5dc4ce79bf5b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-03-15T08:47:52Z",
    "title_canon_sha256": "0b614b03a552bf15599935215547655fbe0ac61cc2c7a37084c11a56b7c8c901"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.08212",
    "kind": "arxiv",
    "version": 2
  }
}