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 0xad69ffa979007f707d71e5ae1923cad2905f6f30c775caef636d0f12aae19427. 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/a1058ec2-be99-40b1-a780-7276ebe3bb65.json and https://artists.proofprofile.net/proofs/artist/a1058ec2-be99-40b1-a780-7276ebe3bb65.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 0x3f92b20f6847bd32c9bcfc26949e5ea0575ed9ab802f0d282bc95ce51f0b91de. 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/CAN112000045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a7bf96e09c327359f75d9d15b379316af4c041c2644c62a10e2a0e79ffbdf07. 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/CAN112200710.
Driving Hours - SCayos & Annie Elise Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30ef8d2ab889fd20c14c8c8ee7385cd0336e1c73ad781ac7dbeee604d506c161. 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/CAN112200233.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x612bccce38bf0d6a29cf2600934c0c7c9ab44e1b2f685d891769d6019a846559. 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/CAN112200338.
Driving Hours (musclecars "Call Me" Mix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x135bdb36f3078e2dd646116b3b2d0d51729710fd4e55fd8204b2d0e3cc31359d. 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/GB5P59700097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42d58190c6092b2579ef99dd1c266a1e55f2bfa22c13aa59e230076757d0b86b. 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/GB5952300033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cb60cd0178d93fb3884c9dd8f6ea1d12073ba70cd5347ea8d1ca714bd09960f. 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/GB5952300034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e007574d288a9a3aab2cf2455d0b09bcfa399d50707eb32a61bf71b3628dcc0. 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/GB5952300036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa77ad60c9f68e9703449e132fe8ef4587b48dccbb15e3e5436fad2da91f5f3d4. 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/GB5P52200181.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4f5167587e8b51194da0490392ce859916d0eb70dba8ea7fb8915fb8e22db5e. 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/US2J72415503.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x822367c891cf0843ff76e161ed40b493c688b4476473731e51aff52f3b8892b3. 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/DEBY41200763.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36fa6fdfa03443042da275a41e17c7dce0685f08d7a389a70df4078c466375bb. 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/DEBY41200764.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe201884b62831e5f21f93091873ba03fdf0c0e8825773fdbd6cc459c95944afb. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/GBEQT2400052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1841ed306b9afe7be7d7bdaefd31ef0e3087dd9ce8d1a578ee99b9f73ccba52b. 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/GBEQT2400057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5718910cea861c1f4158fe77fe29cbd4b2f13a232a09485d3a10664a261cd0b. 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/QMVU42100028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6f2e66347f48e0775a7546ae50b49792630e678cd0df86be3d8b3885c9300a6. 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/QMVU42000044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x903d75f9f518957cb7404e1c2f18e10239654d23e49c4aca826d6162152bc4fa. 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/QMVU42000046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a3a9f3421ad0f5397a846dbe4e8fa1be58a1ff743320943b52636fff580a2dd. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/QMVU42000048.
Face at My Window (Kyoto Jazz Massive Remixes) / Beyond the Dream (musclecars' Reimaginations)
Feed the Fire + Atjazz & musclecars Remixes