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 0xaa23983824b48b49fe479987909c18eacd400d202524ae7e7f86aeca08f276d5. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/43381259-910e-4dbf-990d-13cb27be828b.json and https://artists.proofprofile.net/proofs/artist/43381259-910e-4dbf-990d-13cb27be828b.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 0xcb1893d251c369fb7bac71597dee89219f41c9917d7530f3b2052a3875dafb99. Chain 2 (Bitcoin): anchored in block 958350 (2026-07-17T04:33:44Z), 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/ITUM71800465.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43543b32149089debeef8b10c32d6882f4ad4b7260e8e2a0f3e5d836b60dddc9. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/ITUM71800873.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x448636f702f5e34117678cd1b9bd188f8cabef2feb260a754072eeb78274541a. Chain 2 (Bitcoin): anchored in block 957788 (2026-07-13T02:37:37Z), 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/ITUV71900051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa69c25130016336ee7fdd289c3ff28296b368e9b4cab5db99ab2b3902499e71. Chain 2 (Bitcoin): anchored in block 957750 (2026-07-12T20:39:38Z), 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/ITUM71900283.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd50e4c4213466b3ded8561bbeb368132c0bf2376ae5900b8f9acdb906b335a8e. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/ITUM71900287.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9045f442c3aff9248d2f785bc1177b4d4e60b03341b12c115607cbe70dabba9f. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/ITUM71900347.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x485efa28ec55bdcf8dd53bcbbf536e956cea934d1adf594c6f0a4c0107f893fe. Chain 2 (Bitcoin): anchored in block 958541 (2026-07-18T11:37:54Z), 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/ITUV71900178.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b46ed3022a92b28ee06e3832cf1bd4e0cfff7e4f307991a2129b9419ae5e77a. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/ITUV72000010.
Moonlight Popolare (feat. Massimo Pericolo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x867265b63f034d8ae5f0ce4da64e331892ed9fe8e489902ad923ab79824d1157. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/ITUM72000680.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd052be468320a27a9b77cefd8ccd531b9edb47888b334c545f459a200fffe2a7. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/ITUV72000237.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f1dd21058370f1d26762384098a133817ac2b9432459f8f67f14da612359303. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T23:13:11Z), 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/ITUV72200038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1f5270445f6158dbb2e78edd56c134f56f68e79e5ffcdfe1ac31d4995d73c92. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/ITUM72200727.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfffc266e8db68ea06a1dff16572cc1ad48f402f86defa7b9fbeb9ba572caa56. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/ITUM72200040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x345b075147c5831fc26a2a38b8f1603e8801b27b4d9c479ab464b53de8f1bfeb. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/ITUM72400066.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23c152bc3d0b35b4cf69842b43839ce21c81ee65c962ef6f06acc99b48bba8f0. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/ITUM72400230.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0dbcdb0440959a3d6130dd6d7da20f9738952c50fe026eff54f1decbca8b057. Chain 2 (Bitcoin): anchored in block 958808 (2026-07-20T05:18:34Z), 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/ITUV72400258.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa4d4491dfba19af0be9ce68bdd1b643f2ebccb1fde6da50aa568e5cf873fa53. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/ITUM72400231.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc73c2c19afcb603bf922c6ae0e3ab9099e8f9de65468045a884f6720f3ccd428. Chain 2 (Bitcoin): anchored in block 958111 (2026-07-15T06:58:20Z), 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/ITUV72400698.
Orchestra Popolare La Notte della Taranta
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28e018c32ac184d48b842b51382347d0c924e054b2ac56b2fcb4669b5496845c. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/ITZ042100103.
Invito Al Viaggio - Concerto Per Franco Battiato (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x492ab72d2cc07fc957086551911c5be96230890810903ec97901bcfb94c3d200. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/IT0212101008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96144b88bdcf09ef4b56c7fa83abe585712d786db964fdcad015682172121225. 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/ITUM72400224.
In fondo al mar - di "La Sirenetta"/Colonna Sonora Originale
Under the Sea (From “The Little Mermaid”)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe074be22d615aeb78ed08937fa4c54c6c9ac249567e9bc4ac5b1a700cb66874b. 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/USWD12326697.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45a4f0619677aa844607e95fa9f78185bf52e593ae678be55907412ee7f6705b. 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/ITUM71900060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45a4f0619677aa844607e95fa9f78185bf52e593ae678be55907412ee7f6705b. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/ITUM71900060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfffc266e8db68ea06a1dff16572cc1ad48f402f86defa7b9fbeb9ba572caa56. 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/ITUM72200040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfffc266e8db68ea06a1dff16572cc1ad48f402f86defa7b9fbeb9ba572caa56. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/ITUM72200040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd93bd067ddb8c60df8f187258b4f51089bca66f2ff604e3a3bdcb58853ac89e7. 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/ITUM72100305.
Addio (con Rkomi, Ernia, Mahmood & Gazzelle)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f04d806e272e43481b28cfa70ca88e4dd4ffb93f166036b84a086bfd37bbad7. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/ITUM72201092.
PROIBITO (feat. Taxi B, Mahmood & Fabri Fibra)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x579ea1eaea77d5a04a6725fc31ba0e2727346f52f57501da632c09bdfcf0b419. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/ITUM72301015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc32cad8c9910ee9a9a7da2d6db31858534356b2f484f31d4fd4633cebc365aa. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/ITUM72400228.
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Brividi - Eurovision 2022 - Italy / Karaoke Version
Eurovision Song Contest Turin 2022 (Karaoke Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x539f251efd1e471ae902e61e6eb14ecb77136e6a7deab466ca216e817538d1db. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/DK2DY2200107.