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 0xbb8aed60a6d3b0bee96d009b5a8f669f35288d4b39ad45d943addba6c5986143. 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/6f3f9540-5372-4a12-abdf-8aad8c1a8ce5.json and https://artists.proofprofile.net/proofs/artist/6f3f9540-5372-4a12-abdf-8aad8c1a8ce5.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 0x9a76ceb3f2ed6770c950a984cc8328830635137053cc5ac8b3a17c62ba45fca5. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/QZGWW1985996.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5f711a43f9c114a04f59fb4fb2938556221eee874cdab18bf4f53a3bcba3484. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T02:01:41Z), 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/QZGWW1986027.
Just One Night Stand - 2020 Instrumental Extended
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4709433a744137d9cc98ed390876501bc2c9dc8aaf2751db6a889d53d731364. Chain 2 (Bitcoin): anchored in block 959031 (2026-07-21T16:15:11Z), 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/FRX282064561.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01ca7b64c641d11fc2807706185fb2d98f3339a919cfc1c569274c1ecf5fc26a. 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/TCAFF2090936.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca06d28e048f59869d359b1330e4d72b2b6149cd2dc68e8d317a59e53814daca. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/FRX452120424.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40018b7e510647633b0953f0b0a24dcf712f1651325829e53b7b3d10caa3531b. Chain 2 (Bitcoin): anchored in block 959080 (2026-07-22T00:07:05Z), 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/FRX452125314.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c77cb6ec43856a335a3426ceea3002c26be41a0f75b32c4fafb0a832bb6bea2. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/FRX452125317.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cfbe7607efb8d581317b467ef7957ab0bcdcdced993f6c791120cdb3c7b54db. Chain 2 (Bitcoin): anchored in block 958959 (2026-07-21T03:51:22Z), 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/FRX452125319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa974bf3431eb1446f8bb9266a6c35305bbc5494d91aaeca4716703e213a24298. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/FRS182161806.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccb6a8e1e85b5652da6c25bf5baf6a96f691eda14b964a035563cf93e6f3239e. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/FRS182160843.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2aac12a2d86df5230abbddc08834b6f88bf27111db3a37ee899c584583968d67. 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/FRS182126756.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf80bf992051938599583505dc18be77d86f4204e1e369e0dad46f3a77899cbc1. 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/FR10S2213657.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a2d01a86e5594f143387e186b89e60627483a44fea8a99f7a3278ece54ee67c. Chain 2 (Bitcoin): anchored in block 959103 (2026-07-22T05:56:21Z), 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/FR59R2238644.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84c2574ed175f669c9f27cf0bd42c4061f57480fd83046073993390e460eda18. 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/FR59R2273698.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65b28a24e5473db5b4a67ceda77908f075f9264d7605fd7034c732f996208fde. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T03:03:40Z), 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/FR59R2273699.
Your Dreams - Mood Extended Instrumental
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcffd4c8e2dcf4c15e63cecef39a4e0a69d7021208d7594be8f24f1df4db24b21. Chain 2 (Bitcoin): anchored in block 959105 (2026-07-22T06:33:30Z), 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/FRX872324766.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95c5dbd2b3b17fca7cab82edbe6f7d55a55df77bf34d533443e0095b327e211f. 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/DGA0H2313972.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe82dde8c42fdcdce61e148e9b9b787de0b9447a87a9f7ee298c54b12671b73f0. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T18:54:07Z), 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/DGA0H2313974.