Pith Number

pith:6XS7E7S7

pith:2026:6XS7E7S7EBPEU6VTHLFQMTJOPU

not attested not anchored not stored refs pending

Nonlinearity Compensation for Coherent Optical Satellite Communications

Enrico Forestieri, Luca Pot\`i, Marco Secondini, Stella Civelli

arxiv:2603.08422 v2 · 2026-03-09 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6XS7E7S7EBPEU6VTHLFQMTJOPU}

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	2026-06-19T16:11:21.795867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5e5f27e5f205e4a7ab33acb064d2e7d322ac397383f50a37f3d0b63b0965569

Aliases

arxiv: 2603.08422 · arxiv_version: 2603.08422v2 · doi: 10.48550/arxiv.2603.08422 · pith_short_12: 6XS7E7S7EBPE · pith_short_16: 6XS7E7S7EBPEU6VT · pith_short_8: 6XS7E7S7

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/6XS7E7S7EBPEU6VTHLFQMTJOPU \
  | 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: f5e5f27e5f205e4a7ab33acb064d2e7d322ac397383f50a37f3d0b63b0965569

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4972bc9d79d6ee401112c583aecc50564d0fd38c0bc50d4b35b0db507593f2e",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2026-03-09T14:17:58Z",
    "title_canon_sha256": "5aa046684e1e55b7fa4f92b1fe2b20dd74f0847876cbfa6d8122d24a90efa71a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.08422",
    "kind": "arxiv",
    "version": 2
  }
}