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 0xce333c343637cf5c445021360d1298adcffd75c75cf8c8d8698af89cb55959dd. 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/9d69bc80-c162-46ea-98e1-c85c9b10d27f.json and https://artists.proofprofile.net/proofs/artist/9d69bc80-c162-46ea-98e1-c85c9b10d27f.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 0x00f94183b2f0ba521938eb3ceda6e2d657e4372f0d06f5076ae8dada865efdcb. Chain 2 (Bitcoin): anchored in block 958680 (2026-07-19T06:04:14Z), 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/DGA0L2364038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ce7b3a2dd3c497d9bdd73417ddab1dd5a7c9e9e67f106d3f0e4e614f01dd819. Chain 2 (Bitcoin): anchored in block 958935 (2026-07-20T22:08:19Z), 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/FR2X42435056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f7e0cb97c80172aeca58dad4f5e6e986ea7f6fe39b9b5d6cc084080bdb3bfeb. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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/DGA062493496.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4da9a5e808fb3b26ff2815dd196d67467022bf14713b687abb1bd508c682d8bd. Chain 2 (Bitcoin): anchored in block 958341 (2026-07-17T02:46:23Z), 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/DGA0R2421301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1b84b94b7a111ef0227aea22c2e5277b11db17bc0202d8270896243da219451. Chain 2 (Bitcoin): anchored in block 958203 (2026-07-15T23:51:18Z), 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/DGA0R2421303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc90da099418d18037fb62d00a09681a79a66bab486f4d665efc56ce5c92c881. 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/CH7812530899.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x273757400ebbf7514003f7a96d76f7688d728d4a3ea7984a9b9da283feef527a. 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/CH7812530901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a6b51d981ceb4d6c2ddd4c5aac56dd069169be1b659c717c95341d42e670163. 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/US3DF2532310.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0127730cf36c92fce2b24f2738b492a4ea5799c5b097f74e0780b9a514bf5fa8. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T20:13:14Z), 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/GB8KE2509451.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeab9b1734037e1ac5932577a92012ebd22ca42bbbd061108c4ad04f326f82a68. Chain 2 (Bitcoin): anchored in block 957771 (2026-07-12T23:27:28Z), 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/GB8KE2509450.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50a8f00cc659a810a87d734e6c12cef6d89541476f2321b3162d856035ae267f. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T20:41:01Z), 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/GB8KE2509452.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd90c7f1a26099ceef37c762842c65eee318f4b3813e5ab6b2c1043e0300c6fd9. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/GB8KE2511182.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd3f31b3bcf81ae3b28b38c75cc8d4ebd456a0a18ba3c621d1e0cda1012721ac. Chain 2 (Bitcoin): anchored in block 958639 (2026-07-19T01:18:30Z), 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/FRX452536300.
COMUNICAÇÃO ESPACIAL - Ultra slowed version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x464e0c9738b3e582363899e6411ce89dbe8c40239cf464f28aebb97df815bee4. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/FRX452536301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7baedce761b9a274d879eab93f20559a183cc256fbc58515dac10ea531e8e062. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T11:51:55Z), 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/FRX762509127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fd22007825bd779f3b323bf2397c39ea36fb5d0125dafd1cd31935aafb9d364. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/FRX762540585.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2a2da5372ecfcdd038e092c9a7684b355561f6281da77ed83cfa6b088968e57. Chain 2 (Bitcoin): anchored in block 958612 (2026-07-18T21:29:37Z), 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/FRX872534125.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7fed5d454fa21e9caea8f095b56b7085e1f99bd119e4cd68c5d5c022a92586d. 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/FRX872534126.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3d9f9ee3da0eb9de9daaeee7496c44fffab35a9cd4d7856a3d0c841c65c76aa. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/FRX872554659.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x739f96ae7eb8c9cf31ad5bdcd57265846ea356f638d6000f9c0e744d47ebcb20. 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/FRX872598378.