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 0x74e53ede0b367ae759127ac398ff6ee7b4e20f5b6ae96579b4405f890391d4b4. 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/46eb6b28-1f81-4200-890c-bfce3108ea77.json and https://artists.proofprofile.net/proofs/artist/46eb6b28-1f81-4200-890c-bfce3108ea77.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 0x11dcc109342f943b621415ab7573a51f2116d4225d3c08add21e1ec71fd81bb4. 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/QZW9L2386979.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe429c646857bd7f39e2c31bd1b907f71d5f061763abc4f18d52824b7269407ec. 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/US7VG2396330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55bff91ab7adcc0b76543cb9d9fe76be12636d50085ad1a18ec7e7617a00d00e. 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/QZNJY2292355.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24ea2e51ccc24af1235b80dabb7f8ef7ed109aecc3b2e84b3fea76390efebbaf. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/QZTAY2378101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebc1c16f10214680b1a657026b62891970007a09a830c3967fb39c7d42d9587c. 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/QZNJW2404097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb1f1100fdd1b988839f12f923016985cf30e0c93a0369c301e80c03b25bbd54. 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/QZNJW2363214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1ad5226f53fc3e990be102cd21e9c1115e2456ec4bd43ffbe69faa493cbc90b. 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/QZHZ62276769.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64ef185c1232e5a9975ee73f525a39e61b5f1e3a4e26f03413d621cb5112d021. 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/QZNJW2291024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b62977287c950d83d80784b7311ab2b3304ca848bddf6c83ab03c2bd16badd6. Chain 2 (Bitcoin): anchored in block 959145 (2026-07-22T15:39:05Z), 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/QZW9N2226282.
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
Dalo Todo 2 (feat. gabo el chamaquito, joukerr music, dunkan, Benji Gramitos, Dixson Waz, josepe el demente, adan la amenaza, Basty Corvalan & RF Music)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaa7ba870793966b47f38579e6d0c11f67d2e9d0f99c6fc344064b20d4babef2. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/BK4DA2320309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77805838634ca647fdcf34b3392a4763154a3743121f622dce0daa37bb724bb8. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/QZNJV2367220.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4b2faa34da2d43f0178989c81091b74438b28b04eb5be8f473b780a6a407cad. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/QZ5AB2397802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93f6b06b04b066d967d5a5acd8fe516add973dbf47a0ef370ba7f96f500d95b7. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/QZW9L2237075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x497be1e477937f095962b9867d9d5a4ed9d019015136ba97a074edbc304f0173. Chain 2 (Bitcoin): anchored in block 960288 (2026-07-30T17:41:38Z), 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/QZES52091287.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf049444b126a016a0e3c615fd0a416c092c2cc761cf9486ad368a5d350057fdd. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/QZGLM2470336.