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 0x6a8d8fb749b5181fa4737fe69ab1a69904ff03cb1061b38cc73b1af8f6467f5e. Chain 2 (Bitcoin): anchored in block 953616 (2026-06-14T08:58:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/181197ba-f491-4106-b245-539345793ed3.json and https://artists.proofprofile.net/proofs/artist/181197ba-f491-4106-b245-539345793ed3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
I Don't Know Her Like I Think I Should (Remix '24)
You Only Love Me 'Cos You Think That I Love You
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 0x2bed65fc5dff73723eddb66cc464d4c41e4bea5871ef757ccf5c0e96763f6e27. 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/QZTB62211959.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x638816993fbe15c29f09871521e2f96b10ffa370de5f5b3b92441e89c589f1ff. Chain 2 (Bitcoin): anchored in block 958793 (2026-07-20T01:40:48Z), 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/QZDA72391482.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaa1764b96dcb55241e662bd75005c429d920f9328e1fe0874a58faaee102428. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/QZPLS2305675.
That's Just Another Messed Up Point of View
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7418b52d20561ad9982bc80a6d9ce040a3186f1a75e675b760d4dd3d9649d61. 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/QZTAY2484735.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31c7bd35d65f8dcd9cab3087112de5f4f222ab67e8314cc84ac86ab8eaeded94. 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/QZTB82472778.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x558a25b0b2bfbe99850f550597edf3eeb7000fc555f35fa273f882fd8d953790. Chain 2 (Bitcoin): anchored in block 958700 (2026-07-19T08:09:50Z), 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/QZTB92496093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde412730e937859b25780ab03ab7a32339e54151907dd2dafecc51856986fdcc. 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/QZWFW2422542.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d57ee27b9a0d172c7bc5f147b7cb5030cd7c19bd886e5d97d2f34be12c58eab. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/QZWFW2426241.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7b5d54b3a6637aa8c00ad9b80e1eb2c9f4740483de5ff054ed6a3aa32666de7. Chain 2 (Bitcoin): anchored in block 958631 (2026-07-19T00:50:09Z), 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/QZWFW2429070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4559901efd00529d1e50881bd2713c949a8030590a60121beadc77097add41f6. 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/QT3F42447587.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x185935598125950a9f7ead999391f752810dfdeb247eef495f4ec882c41c1404. Chain 2 (Bitcoin): anchored in block 958600 (2026-07-18T19:24:05Z), 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/QZFYY2500746.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ffa5cece07c0c0176f424c34a9427d7cd01ec4ba2a262da8bb2963e592cd243. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZHN52527493.