Pith Number

pith:TOGDU4AV

pith:2025:TOGDU4AVJAUZWROF74OH2THL77

not attested not anchored not stored refs pending

Nonlinear Distortion Equalization in Multi-Span Optical Links Via a Feed-Forward Photonic Neural Network

Elisabetta Ferri, Emiliano Staffoli, Lorenzo Pavesi, Stefano Gretter

arxiv:2507.13775 v1 · 2025-07-18 · physics.optics · cs.ET · 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{TOGDU4AVJAUZWROF74OH2THL77}

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	2026-07-05T11:39:22.777582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b8c3a701548299b45c5ff1c7d4cebffd2510d9a6ab3b9c5eea78f8e8319e9a8

Aliases

arxiv: 2507.13775 · arxiv_version: 2507.13775v1 · doi: 10.48550/arxiv.2507.13775 · pith_short_12: TOGDU4AVJAUZ · pith_short_16: TOGDU4AVJAUZWROF · pith_short_8: TOGDU4AV

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/TOGDU4AVJAUZWROF74OH2THL77 \
  | 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: 9b8c3a701548299b45c5ff1c7d4cebffd2510d9a6ab3b9c5eea78f8e8319e9a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b0f6dbc68acf7cd28f9923f33128a8d6fc9df6c208356441ad17eb2d303847a",
    "cross_cats_sorted": [
      "cs.ET",
      "eess.SP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-07-18T09:36:04Z",
    "title_canon_sha256": "b5acb90b47a6098ca0fb77a1c5e70439dc1e7e1aa2f3ce54d8b2f4799f262e38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.13775",
    "kind": "arxiv",
    "version": 1
  }
}