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 0x61ef02920138a0d12f4cbfe5cb201fef526ea48e2f267b873fc7fbb45bfca45a. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c89dfbc0-8fbc-4744-9737-742c19eb3a4d.json and https://artists.proofprofile.net/proofs/artist/c89dfbc0-8fbc-4744-9737-742c19eb3a4d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Top Songs For Weight Lifting Latin Hits 2021 Workout Compilation (Fitness Version 128 Bpm)
Top Spinning Latin Hits 2021 (Fitness Version)
Ultra Cycling Latin Hits 2021 Workout Compilation (Fitness Version)
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 0x5c6879d3fdc3ec3fce5b82e363a34e4c614979778d402a9e51af325941a45a06. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/ITC942105871.
Aqua Gym Latin Hits 2021 Workout Collection (Fitness Version 128 Bpm / 32 Count)
Step Latin Hits 2020 Fitness Session (Fitness Version 132 Bpm / 32 Count)
100 Hits Remixed (The Best of 70s, 80s and 90s Hits)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe29f6b68db544ffad21e9bd3b5519e7fd4daf3a43c9ebfa39b7bf863b50993fe. 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/FR6V81342373.
Tee Vee Maestro 04 (Mixed Compilation For Fitness & Workout 136 - 150 Bpm / 32 Count)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbed27d46227fda445e1ccce57cb9987cdf90c67bf08b843de12351c6dbe63e42. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/ITC941924485.
Megamix Fitness Soundtracks Hits for Step 02 (25 Tracks Non-Stop Mixed Compilation for Fitness & Workout 132 BPM)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc600ad756296326e5b9a6973124c75f3fef05c79fac9d8e943cc0eeb57f82b9. 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/ITC940900658.
Reggaeton Lento - Fitness Version 132 Bpm
Viva La Summer 2018 (Mixed Compilation For Fitness & Workout 130 - 145 Bpm / 32 Count)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb099e3b489c44188bf66d96d61606fc2aa7d617f841648a158e6ad664424dfd. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/ITC941924190.
Aerobic Summer Songs Workout 2017 - 135 BPM / 32 Count
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11b9e529b9d614d28b1329fb130a97a8fe5af9e487a9dc92cb0b9109263e3a94. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/ITC941703501.
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
Que Tengo Que Hacer (Fitness Version 128 Bpm)
Sunset Running Mania 2020 Fitness Compilation (Fitness Version 128 Bpm)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09778e334ac620c5d9d3b42b6179893bb5407ee164af0e07ad91443017b34a8a. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/ITC942011126.