Pith Number

pith:QRBIQ3KO

pith:2026:QRBIQ3KOEKNM3V3UCKY3RIN2FK

not attested not anchored not stored refs pending

Cross-Domain Generalization in Optical Networks via Joint Contrastive and Classification Learning

Ali Al Housseini, Carlos Natalino, Omran Ayoub, Paolo Monti

arxiv:2607.20666 v1 · 2026-07-22 · cs.NI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QRBIQ3KOEKNM3V3UCKY3RIN2FK}

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	2026-07-24T00:23:28.442821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8442886d4e229acdd77412b1b8a1ba2aa748488acd71f82b232a7d3a38b86171

Aliases

arxiv: 2607.20666 · arxiv_version: 2607.20666v1 · doi: 10.48550/arxiv.2607.20666 · pith_short_12: QRBIQ3KOEKNM · pith_short_16: QRBIQ3KOEKNM3V3U · pith_short_8: QRBIQ3KO

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/QRBIQ3KOEKNM3V3UCKY3RIN2FK \
  | 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: 8442886d4e229acdd77412b1b8a1ba2aa748488acd71f82b232a7d3a38b86171

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bddfd5d870a073ad28035685a3d179cbe0065790c02fc6765a8ef53542e520d",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2026-07-22T19:02:45Z",
    "title_canon_sha256": "d3a3a82374d94b02ceef9623da738ecdecdb383c49b90299bf438e808a7afdc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.20666",
    "kind": "arxiv",
    "version": 1
  }
}