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 0x30d754f10af22017118e61f44313d84049bb60cd1b5387eccff8df67dc7ad1bd. Chain 2 (Bitcoin): anchored in block 953733 (2026-06-15T03:12:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/965dd1f1-575b-4d5c-ba12-1137dab26533.json and https://artists.proofprofile.net/proofs/artist/965dd1f1-575b-4d5c-ba12-1137dab26533.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
I successi dance degli anni '70 '80, Vol. 6
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 0x7ef882b8de179e36e27b5771e310772c90fd6c22c40702c00f84f0b74300373d. 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/FRX871530878.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ce957bf86b4f4840631f28f3e8f47b73e14660309f318c7ab6ecb1abb911179. 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/FRX871530879.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc8be24f0ea7d5cb221aa09988f31d6b8dd203f5ea622c4dfc86651b7ca3f554. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/FRX871530881.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cd56565d4654d5e4da82ccb29374433b98b9c3a7a2ef166874a84854ad55f38. 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/FRX871530884.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcae7e0f88d5d3f8a1364969743140341920eb46a6a1e9c3eb6139a1f29dca4fd. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/FRX871530886.
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc716a17987fa2dd8e2ad1e1ef9371b501f1eca359e02f1f0394e66170cc2fd60. 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/FRX871531774.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0badada73b6599ecd50998f748e7803a1e5741b1c4c2ffa015aff296da2cef0. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/FRX871529199.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b9d28ba004f7b4425c25d147d5081183ed47a5bc459982d005d7ce80069ad8b. 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/FRX871529200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6c55e23901b2f7778807772583f7a04f76ed6dfdbc72d95d66e0e71d3865ecf. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/FRX871529203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8db7cbdb492a185d56d20e69f446c54d998fb543d90134724d9819e14addca1f. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/FRX871529201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73931677e373977faeb0c382c46b56a9e9ec4c0f1f7bc9ab02db1115145670e9. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/FRX871529202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac2a1bfcaea6231b7f75a49a143bab047eea5728114fdd8ab69a24ca5bf517d0. Chain 2 (Bitcoin): anchored in block 960407 (2026-07-31T13:26:30Z), 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/FRX871529204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd1caf800facb239638bf981ad4a67e3e6a97d3275d6085ac3933f4b944066f0. Chain 2 (Bitcoin): anchored in block 960349 (2026-07-31T05:23:41Z), 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/FRX871529205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4bc9ca4b97604c8871ec7140b56102b775067b4becf6d7c9de9d43331125e08. Chain 2 (Bitcoin): anchored in block 960362 (2026-07-31T06:58:00Z), 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/FRX871529206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b9c3aead7496eb6a59db661b1cf227c49da1540fb6f68eeee7ff3da35307e43. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/FRX871529207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa67efb256212fbbb9fdf9fa23a91e55805a581695cf831e409eb0789893cf5ad. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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/FRX871529208.
I successi dance degli anni 70 - 80, Vol. 4 (Hit)
Le più belle canzoni natalizie (Produzione natalizia)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc734fc2beb19cbe8b77ed6140284bfe62e8933441b08966f80dd036e9701ff84. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-16T23:25:01Z), 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/FR6V82308019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1886e7ab64829d02d0f7f1733c70c8f216acaa9a4430adbf669fd8af24cd7c7c. 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/FR6V82308020.
I successi dance degli anni 70 - 80, Vol. 3
Hit: I successi dance degli anni 70 - 80, vol. 2
Hit: I successi dance degli anni 70 - 80
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e1fc4a26870ab451b6daac1f853b90602c8cd35483c7e2b831344cd26e55779. 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/FR6V81837600.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a4c4857fd085c9832982da93b8ffbeb40b4cb497bdc5b0b6cbccd213cd82ea5. 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/FR6V81614944.