Ivan Della Mea (born Luigi Della Mea, 16 October 1940 – 14 June 2009) was an Italian novelist, journalist, singer-songwriter and political activist. Biography Born in Lucca, his family moved to Milan
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23e0e45aef64a201eb974dc812dc6778b31c1941d2809610c00f9d807c0586c0. Chain 2 (Bitcoin): anchored in block 953807 (2026-06-15T16:39:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e4e8c56a-be81-449b-853a-64b5b95155cd.json and https://artists.proofprofile.net/proofs/artist/e4e8c56a-be81-449b-853a-64b5b95155cd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7be473fea47b93291683f56bc9109c319adacb3de135d79731b43d1accf7f04. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:21:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITOOJ0900071.
Ringhera - Canzoni milanesi vecchie e nuove
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11fe7592316122f27c792030dea5fe9800157fd1653fd243843974265d1583e4. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IT00J0900078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33e592de6631301feff0e1135d44205e6c773acaf7ab1e2de6c3a30f8f652960. Chain 2 (Bitcoin): anchored in block 958805 (2026-07-20T02:22:58Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IT00J0600038.
Venne Maggio (Il rosso è diventato giallo / La Balorda)
Festa D'Aprile - Canzoni d'autore su resistenza ed ingiustizie sociali / Vieni O Maggio - Canzoni d'autore sul lavoro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07dd784725e40e11d8b405fb7d21287dfc7368cd8160b4e4257a80a97f09738f. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IT00J0600010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0362b03fa01923d8f4f1c6a9ebdd81b97231462c75382431c8e6ea08e84c2084. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITOOJ0800085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x696ace7497854beef57dc1f3b52533f51ed5407024320615554519bf2424b3b4. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IT00J0800062.