Pith Number

pith:XWSMCQMG

pith:2021:XWSMCQMGNVNBGGEJRSPYYO2ZDE

not attested not anchored not stored refs pending

Deep Neural Network-aided Soft-Demapping in Optical Coherent Systems: Regression versus Classification

Jaroslaw E. Prilepsky, Pedro J. Freire, Sergei K. Turitsyn, Vahid Aref, Yevhenii Osadchuk

arxiv:2109.13843 v5 · 2021-09-28 · 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{XWSMCQMGNVNBGGEJRSPYYO2ZDE}

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	2026-07-05T04:50:11.563119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bda4c141866d5a1318898c9f8c3b5919350c4a41d3825139e057f0e1517ebf91

Aliases

arxiv: 2109.13843 · arxiv_version: 2109.13843v5 · doi: 10.48550/arxiv.2109.13843 · pith_short_12: XWSMCQMGNVNB · pith_short_16: XWSMCQMGNVNBGGEJ · pith_short_8: XWSMCQMG

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/XWSMCQMGNVNBGGEJRSPYYO2ZDE \
  | 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: bda4c141866d5a1318898c9f8c3b5919350c4a41d3825139e057f0e1517ebf91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2041231ebc882c68de2bfa2c03b1c1f9857e6bc968c9cab39fe5f8c36efa582",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-09-28T16:20:13Z",
    "title_canon_sha256": "aa1c49099ef38c5ee2cf043c4097d5ff2d0b892d33f6b400237c6e366a687eee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.13843",
    "kind": "arxiv",
    "version": 5
  }
}