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 0x6942c6c5e6eb2c8bde8fede27f62c78d79ba83f8575bdbde09f88d2a03f2b33e. 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/2ca1de3b-72e9-454d-ba3f-55455d828f78.json and https://artists.proofprofile.net/proofs/artist/2ca1de3b-72e9-454d-ba3f-55455d828f78.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 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 0x1b1fd15029c2c9e444b8822da6f8079544efe497fc076290670d17754f2fd50a. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/COF019002433.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cc55ae4911f60228c77b5f8b1b3171609174bcafb6328d4bab3a2846a228484. Chain 2 (Bitcoin): anchored in block 959088 (2026-07-22T05:01:32Z), 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/COF019000246.
Historia Musical de Los Ocho de Colombia
Historia Musical de los Ocho de Colombia
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x062e311f86f7b4eb4652a49c3569825cd3dad122e0e5e0af94baf21a8b8b19b0. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T14:14:12Z), 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/COF019400575.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6161abb3eaad8d52d9764135274fb300e0f65f1b26aec2c98a81714ade538dc. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T04:52:04Z), 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/COF019000441.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36e5a261ba74fd5f251229063e83b00f5633576f9f3a92643369f41d5d27900b. 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/COF019900421.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d0818a221de1f6d2b7a7b1fcb36181f9909af7c110bf60911b6d72c850cf1eb. 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/COF019804381.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e83d39cfd3d34a0ddd24d635a0b0478c0e7b328ba99ab788a36c963f972eb63. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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/COF019300570.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d0818a221de1f6d2b7a7b1fcb36181f9909af7c110bf60911b6d72c850cf1eb. 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/COF019804381.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ee42d243d231b4ce0938498542a7db178eba4cf8a5996f9b901f384a591bf67. 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/COF019200228.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8de044213b681c4779a381a74f6c610daa8edcb1a71df41873925c176f100fb6. Chain 2 (Bitcoin): anchored in block 958415 (2026-07-17T12:50:13Z), 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/COF019600332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96fb26e874ed13eaed7c37f3e8dc32b2a023a2d3a718d82218a95c88fe807378. Chain 2 (Bitcoin): anchored in block 958867 (2026-07-20T11:08:30Z), 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/COF019900419.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x869c93778b436dc9a1672241f1bead6b788f1e18e1d76f3c03ede9d295d7b3f3. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T22:15:11Z), 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/COF019900420.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b1fd15029c2c9e444b8822da6f8079544efe497fc076290670d17754f2fd50a. Chain 2 (Bitcoin): anchored in block 959155 (2026-07-22T19:23:17Z), 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/COF019002433.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0091a417ff5eca776cdd38ea8386c4804a6e5559fa571dd953d464486682945. Chain 2 (Bitcoin): anchored in block 958920 (2026-07-20T18:14:22Z), 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/ESA012355958.
Parece Que Va A Llover (Remastered 2025)
El Santo Cachón / Soka al Soko / Todo el Mundo Necesita un Beso / en Mi Pensamiento / Te Necesito / Bailando Bailando / Muñeca Linda
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x078d98c7f799050236ba66bdf08520b264f273b04dac8571fb323b35a1cd5ff1. 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/ES71G1815678.