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 0x35c2c94f8527efaab0b21a1dbb9f2afb2f1174e6269b1de034bdf5c6186cc1c6. 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/b6e47c07-a974-43af-807f-95d5718c0fce.json and https://artists.proofprofile.net/proofs/artist/b6e47c07-a974-43af-807f-95d5718c0fce.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 0x942bfd80f352ba20fac784d1bb81a9dcd746d6d47e86eee0d79ea2ca64cda416. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USB660441801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x506a420847b1d29276f1415a51e8dc0dbb14395e31749ccce46aade6acb75420. 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/USB660441802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b4e0ed845c19f273e628866010e4e5ae9c94c92b962291c955a8c86d0162528. 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/USB660441803.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4025fa18b118b6b69af6fb9fd5b2fd9d3109aea9820c6dda7fc567451a44cf8. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USB660441804.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x826d05d7bef20fadd6dd3cc07a610757983e4ab57ab3b2ad8982db2a540ac78d. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USB660441805.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52a13a6ffc0e594b2656143422f1958798b3b6accfbd6bd8d43d84a53f6956ef. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USB660441806.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f38d37f33cbd25bbd7d6b6a6408e08605f42375272d13bab5007040254f5069. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/USB660441807.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf643a71d6257c1062064b30690701490633cb568394120eb39f1b256f437ed4e. 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/USB660630909.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e15b4c28c20c53f2d24ae7d9689eb4c145c12334e90817efb2c9e983619f2b3. 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/USB660630910.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3925df06c80bb5bc431caf1873a46e24a2dfe8391901a9d6758fd1f33c15f783. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/USB660630911.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bd7d707a2b5b9fd49e6fce3968a59e30530f6c9b26b9cb27cf72a6db65804fb. 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/USB660630912.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35d309543ec85a29dd3b3f50eb2da056afcc6004202ed3798104fe7bbc15e8e6. Chain 2 (Bitcoin): anchored in block 960187 (2026-07-30T01:34:28Z), 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/USB660630913.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96996780f1b5e30ac0258d7d769c027b72bc702ea1dc3ffd8574666bd5aee90a. 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/USB660450701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9be3efda779c0a3c92bb7d829a07cdd15f1902cf7fe52729af65861ecf3ba23d. 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/USB660450702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96c377043d3df775682e6b57cbc08761812796fcc6f38cb2d4f134178028871e. 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/USB660450703.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f31b8f6f478012e9b62e5bea36d48a2751777b097d8dce4442d77eddd6de212. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USB660450704.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c836ec219c02be6713f93c4fec404a2db50d45d930402890d45e24bb65a8763. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USB660450705.
Reiki Healing Light - Music for Deep Relaxation
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x011f84ab5fb64465a3875ef83ac3ae6b1194a45a61df7ce5dc8d676b491a68ec. 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/USSQ11192808.