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 0x8376169a0b7a95e15ef60ff6503541cfc6fbeca2882a6422bf8fd4ee79223a42. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4a692493-a5d3-4719-bbf4-05ed825dc506.json and https://artists.proofprofile.net/proofs/artist/4a692493-a5d3-4719-bbf4-05ed825dc506.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 0x9669852424519756ba6cc64fda2f3e6c31ede981b5497987e50c3ae309caccb6. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/AUV401429171.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x104c16379169f0c69c367bc5b28c6270e0a21c13a28f5dbfc6c8a23d93ecfccb. Chain 2 (Bitcoin): anchored in block 958876 (2026-07-20T12:15:48Z), 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/AUV401429231.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x943bae785d17833d11c47a5d824f6086e98037740a1b08d2f91e3ca339ded505. Chain 2 (Bitcoin): anchored in block 958363 (2026-07-17T04:34:46Z), 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/AUV401429539.
This is What You Came For (Power Workout Mix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbabd8b14109476aa0a020d9e4a42e83cde4994028930d6b2c64a6dcbe3b52da1. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/AUV401431006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea8643c0f703d61bb5aaffd260e415fc3ff84ef8c8403c6e7550f710c2f95566. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/AUV401431348.
Tough Workout Extreme (HIIT, Bootcamp, Tabata, CrossFit, Running + Cardio)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x665cadb376d9bb89b4c4e4599d2c61f7aca67269bdd8464216797026a740e470. 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/AUV401432495.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd787224d2d384bddb73a0d78174492c3a8e7a60697d3d4e0d59c5142d260de87. Chain 2 (Bitcoin): anchored in block 958567 (2026-07-18T15:22:40Z), 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/AUV401432500.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29e5b4793bd495f640ad8afbb703d323d5ad7243f195ff9d4c0edc4ce456036e. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/AUV401439638.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa778a0d74a50cb1cf0ba97668e948f0a083f65ede613da15d7c9306ff7c54a1b. Chain 2 (Bitcoin): anchored in block 958576 (2026-07-18T16:22:28Z), 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/AUV401439658.
Eye of the Tiger (Killer Cardio Mix) [170 BPM]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e0d0a7d1fb01255fd3b96500ebecf68da4596a9b54de8f2525dcf5989c8de3d. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-20T00:16:01Z), 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/AUV401447116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1e065e7edffc6871d53539766b71c53082635b9ce5ba9c1a7708a914390fbeb. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/AUV401447354.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3d46144a40b8af84983cc8af2cfc6d664be0fde113c9f2b75de98a0e2cf899e. 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/AUV401447358.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c28f88c6e8329066cf33a815d06906cdb089c197f94bc51b8aa0364df5c4059. Chain 2 (Bitcoin): anchored in block 958430 (2026-07-17T15:33:28Z), 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/AUV401447361.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbee7d74b858d8515d1cb5801a89dce5ef5ae4110ed76e92f8d92c7fe94066b8a. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), 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/AUV401448540.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x407c34baddafbaeabbff26f923b282c0cf04636f7775eb6ae994a2c9944022e4. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/AUV401448549.
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