{"copyright_id":"0x28e2f54b084acf187ce954fdce850c6fdaba0ed778e059d37e615c0ff77401ce","name":"Marimba Flor del Paraíso Internacional","registered_at":"2026-06-12T05:26:09Z","symbol":"NIM0200136","token_address":"0x37c9e972cd3b34dc21141fe70354dbcfb346d675","type":"artist","uuid":"9b792fdf-5755-4cef-8eab-36d5a7789bd2"}
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 0x28e2f54b084acf187ce954fdce850c6fdaba0ed778e059d37e615c0ff77401ce. 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/9b792fdf-5755-4cef-8eab-36d5a7789bd2.json and https://artists.proofprofile.net/proofs/artist/9b792fdf-5755-4cef-8eab-36d5a7789bd2.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 0x462315ab82052a56cae1d12c976ff6e52a281a98339eeddc3a812f0bbc289de0. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/USCGH2150152.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c305584fade178c60be71112450434e06fd705d730a556abe62594db4dd8812. 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/USCGH2150159.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca7c9f7896d6d2e01bd3217311a793897c3677e3b0d004e2c1fec7e59892e5a6. Chain 2 (Bitcoin): anchored in block 958980 (2026-07-21T07:04:12Z), 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/USDY42101745.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c6c198c6db1b3a5434cda9fa5f32bfe063ffbb7b2eb82e5f074c7af49a069b2. 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/USDY42101748.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec49517551599a883e338f0dca083c593671835afaa5b845f7fd97217a895cb8. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/GBSMU7461877.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3b886108645d94e6adc40448aa842029f2424bbb29a1f3a6f921a9549aac41f. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/USDY42141130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdef80d4541b7d44711d38484afc2f8f417370b826b16fcff1e32ba5072a9be68. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/USDY42141137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a52aefe345b0e80206a5c7a6a6f22d197d233e03f0c8e474106588fa8c404a7. 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/USDY42141140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ef3523379865b18369238ec60c5e103f512d3784d39a41e9bd007e1e7bb4d1d. 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/USL4Q2154712.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x572f0118d05a94c7243e31fb8d6ab7ed9604238eaa8b509cbfce1793662706ea. 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/USL4Q2154719.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba7db471841109b7a9dab9a29ef7fd532379d15945322ee7f7f0c73b813ffc12. Chain 2 (Bitcoin): anchored in block 958350 (2026-07-17T04:04:28Z), 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/USL4Q2154722.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe60a29a20f72ec31790d2426af4391752af2a539f28be04e34d4c7a2124eebda. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/USHM82486569.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34c27081d98b7a8110c4a0a63782063903855a557a5a92df84fe2cc42ad22069. 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/USHM92563220.