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 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 0x8aa339a3cc33bf7cc69ef667bcca1f8fc09cf715dfeda2d041586a8755cee74e. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/392f76af-5166-415a-9cc5-e247153cea27.json and https://artists.proofprofile.net/proofs/artist/392f76af-5166-415a-9cc5-e247153cea27.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Stefano Syzer Germanotta (Covers + Rap, Pt. 1)
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 0xebe4b065c1c0af529cad49193f31f0ea0a0ea617dac81251f5b2874bf9957541. Chain 2 (Bitcoin): anchored in block 956396 (2026-07-02T21:01:51Z), 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/QZCE61815555.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c85f92e8abd1916d8c11c7192b603bed087a19d84afccf80edab1d70714e185. 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/QZCE61815557.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca3787a6ee349230ba34efc69f3fc0102b36678e7c0c34aad467ddb22ae56dae. Chain 2 (Bitcoin): anchored in block 956396 (2026-07-02T21:01:51Z), 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/QZCE61815558.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e57abe9c4dd0aacd667b077caf8afe0b56f85c5a909faf8a23fb9d5bbedf1f3. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QZCE61815559.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f58cee6c334f06cf4cec68c1811472674b764cf7b1a319f13476991a3686a5c. Chain 2 (Bitcoin): anchored in block 958594 (2026-07-18T18:05:01Z), 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/QZCE61815560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95f386ec4268a39d32e7a2b99c03e5726c33319b24b89facaf3c834ba7bfdd1d. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-16T22:37:47Z), 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/QZCE61815562.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c1edb215b0f183f48e4e2cc461e1f26fcc3bec7a2ea0693008809259cff1620. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/QZCE61815563.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85c69d293f03d64e44f8b738d79cfa614b8c70a1ecc1a4615dfc30fd377d2d71. Chain 2 (Bitcoin): anchored in block 958152 (2026-07-15T12:00:27Z), 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/QZCE61815567.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf03762858eeea402e7168d211793f3aeb3bf88e85d6ac5508c47f3775cb971ba. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZCE61815568.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e02df5ffa1f06be3224527ed129aac6b170b35a499f4db02117f8be86c092ec. Chain 2 (Bitcoin): anchored in block 958474 (2026-07-18T00:59:09Z), 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/ITTL51930069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x983ed8aac2db4582b5a8122f9dd7a3173f9af4b229d63ec1b3b2d370d1643fc1. Chain 2 (Bitcoin): anchored in block 958473 (2026-07-18T00:52:36Z), 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/TCAFF2051308.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3fa0b0dba2983b1dcc36b716d2806edd44bfe4463c124360327ffc5b3e65e2b. 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/TCAGC2223561.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb59bac29996bfa481769707e7c8123cdb0c37047fb035cb52688188932bd5dfb. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T15:55:19Z), 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/TCAGJ2211303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c4cba1a3f4dcf1a071f788d40e550146d2003c825a436560a2de1500b647858. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T04:30:31Z), 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/TCAGJ2279978.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1746e958a64fa257cfbf600b4e99d75bd5385c54f846d6bb352c922d5c269253. 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/TCAGT2387254.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11484707cf8318d0d8082610de8d4fba345745bb659319f5e7266d4b52f93112. Chain 2 (Bitcoin): anchored in block 957573 (2026-07-11T13:43:13Z), 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/TCAHF2366380.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x196cd6286cc1312e021b3793836b90e2cd511fd1823e3b33d44df65c80c6bdbd. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T12:03:04Z), 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/TCAHK2337336.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0707a080ee73bbfb409e61326b62448501246daeb902e88f9f4d86466852149b. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/TCAHL2356318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2954ac02fe30b20eb84ad5f2aa6358408f3ddc0c778f52d2b76939c95d65444d. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/TCAHS2346285.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8447e1ce4fc1d97713b7bfa5ee738c90461d6daea2b1f74f651310a474e28e23. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/TCAHW2474621.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22308ea992c4411d88fbb2ee7fac0f7b9b804b38692751f67c7dae3f85e9525e. 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/TCAHX2490287.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ab9f8ad6cf29458e92ab332f7b173685419d3c3782707c978080b22d9102377. Chain 2 (Bitcoin): anchored in block 958202 (2026-07-15T21:23:21Z), 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/TCAHY2492860.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b18ba5d892f3dde5539f4797b52105a65ab9677c5288eb68a9d4b17db384d33. 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/TCAJB2407588.
Ora che non ho più te (Versione Country)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaccf195bbff9c25f4f26e8911ad404f749f51abc42dfae93365d5ef7d11171f. Chain 2 (Bitcoin): anchored in block 957899 (2026-07-13T19:36:39Z), 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/TCAJD2403774.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ba93534c5bd19fae2a1d4c0afc62d33bcd7cfc846b3bf2a6fd898d8e3c0fbbf. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/TCAJE2587423.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c9dbda98b8c27e172d72769cbf9bb20469f85b35ba9a9b59352671d3d76dd9a. Chain 2 (Bitcoin): anchored in block 958825 (2026-07-20T04:55:29Z), 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/TCAJL2522217.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8158d6279a374fb6371e1d4736682e7f65f590d5c12548ea60d89f9df575ccbc. 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/QZGWX2162193.