sequenceDiagram
    title Node Claim — Pair A publie son PeerRecord (claimInfo + publishPeerRecord)

    participant DBA as DB Pair A (oc-lib)
    participant NodeA as Node A
    participant IndexerA as Indexer (partagé)
    participant DHT as DHT Kademlia
    participant NATSA as NATS A

    NodeA->>DBA: NewRequestAdmin(PEER).Search(SELF)
    DBA-->>NodeA: existing peer (DID_A) ou nouveau UUID

    NodeA->>NodeA: LoadKeyFromFilePrivate() → priv A
    NodeA->>NodeA: LoadKeyFromFilePublic() → pub A
    NodeA->>NodeA: crypto.MarshalPublicKey(pub A) → pubBytes

    NodeA->>NodeA: Build PeerRecord A {<br/>  Name, DID, PubKey,<br/>  PeerID: PeerID_A,<br/>  APIUrl: hostname,<br/>  StreamAddress: /ip4/.../tcp/4001/p2p/PeerID_A,<br/>  NATSAddress, WalletAddress<br/>}

    NodeA->>NodeA: sha256(json(rec)) → hash
    NodeA->>NodeA: priv.Sign(hash) → signature
    NodeA->>NodeA: rec.ExpiryDate = now + 150s

    loop Pour chaque StaticIndexer (Indexer A, B, …)
        NodeA->>IndexerA: TempStream /opencloud/record/publish/1.0
        NodeA->>IndexerA: json.Encode(PeerRecord A signé)

        IndexerA->>IndexerA: Verify signature
        IndexerA->>IndexerA: Check heartbeat stream actif pour PeerID_A
        IndexerA->>DHT: PutValue("/node/"+DID_A, PeerRecord A)
        DHT-->>IndexerA: ok
    end

    NodeA->>NodeA: rec.ExtractPeer(DID_A, DID_A, pub A)
    NodeA->>NATSA: SetNATSPub(CREATE_RESOURCE, {PEER, Peer A JSON})
    NATSA->>DBA: Upsert Peer A (SearchAttr: peer_id)
    DBA-->>NATSA: ok

    NodeA-->>NodeA: *peer.Peer A (SELF)