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 0x4a04fb5d8829101c3bf058355ecc619a37ec4bbf970394780a739461dcb37d97. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b9151740-3b1b-48d9-90a7-2e5e1e7277b0.json and https://artists.proofprofile.net/proofs/artist/b9151740-3b1b-48d9-90a7-2e5e1e7277b0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Summer Is Waiting (Fletz Chillout Remix)
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 0xccbded1636aa58813ccefbcc6c28dedd594a46d289551d7547424681af9c3b5c. Chain 2 (Bitcoin): anchored in block 959002 (2026-07-21T14:40:28Z), 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/QZK6G2455090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf81908c7420ad84c05e0449aac39ff1430ef6e57c86eb9c5a2de5dd1ea949967. 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/QZPLS2486987.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb6e149a5b6058bebb506b70b9f5c2954767c1041879e1e898777a5de13ea2b1. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QT3EY2444652.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30b7188750dabd86411cd3e833552ba0cddc24b76c75015a037da5c212c98076. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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/QZFYZ2565220.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08bcfda8ad56c21a90a22f08cb0fdf97abbd7de11fe6302d38280c48c8ca639a. Chain 2 (Bitcoin): anchored in block 958736 (2026-07-19T15:45:54Z), 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/QZWFK2451576.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccbded1636aa58813ccefbcc6c28dedd594a46d289551d7547424681af9c3b5c. 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/QZK6G2455090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62e33f4a81119c545ba3ff5334db900d20414a816b1a2230ece37e4167084204. 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/QZFYZ2565221.
What A Time To Be Alive - Chillout Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeea7a9b85f6b88b305b9dd839de1dfc69a8ec729afa878da4ebc9bf9278730a3. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/QZES52552582.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd4fd5a0ff8649f294e972a9e3f67494e7eeea156c2710054a9e61c5a3e82b59. Chain 2 (Bitcoin): anchored in block 958627 (2026-07-18T23:33:54Z), 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/QZHNC2575340.
Clubwav Continuum (Individually Wrapped Edition) [Extended Mix]