1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x96ff3c744e526f791d2e65f028cf50d4bb71b1e4ad69987adea1e0a51b28beeb. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ad98dbbe-50b2-4bf5-8eab-980c9264da4d.json and https://artists.proofprofile.net/proofs/artist/ad98dbbe-50b2-4bf5-8eab-980c9264da4d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xd426d66a0c5b6a6aedf794cddcd3c960a3801badf0546cc1249ea2f3c0a04c09","isrc":"GBJAJ2400695","name":"Control It","registered_at":"2026-06-04T12:00:08Z","spotify_id":"2TAcaBTASCeVdrYSBL3YTN","type":"track"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd426d66a0c5b6a6aedf794cddcd3c960a3801badf0546cc1249ea2f3c0a04c09. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2TAcaBTASCeVdrYSBL3YTN.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2TAcaBTASCeVdrYSBL3YTN.
{"copyright_id":"0x2cc3f5fb9fdd0c47bfa4a1d7a3110587900b564047c1e92cb9570d003daf610d","isrc":"GBJAJ2400694","name":"Control It - Extended Mix","registered_at":"2026-06-20T13:33:13Z","spotify_id":"1b3J4FRRRQUQsHMhFTVJI7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cc3f5fb9fdd0c47bfa4a1d7a3110587900b564047c1e92cb9570d003daf610d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1b3J4FRRRQUQsHMhFTVJI7.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1b3J4FRRRQUQsHMhFTVJI7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fe99a7018a19145106fcc9c5793eda493e31b37d45069638fb770d27de17826. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5zOxbR56sP7l2lawHl45HM.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5zOxbR56sP7l2lawHl45HM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e69eb8eb218e259ee64e8c89e52a2bb8a2ce595ff726d55cb43dfc417513d9e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4T6XbBGr4cnSfs0NhrzBgr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4T6XbBGr4cnSfs0NhrzBgr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7b12fd2f988adb74e761f3845b6ef3adf7258f64c8c06ed6d99c791930e9e10. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5qaKNKxfrWehrib60klI24.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5qaKNKxfrWehrib60klI24.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4819fa3c832d9f793323d1515d698c3032e1ddcc5738621ee69f0cb8377ca4bd. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3KRqKQWWQeNDdWYHMO3sWJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3KRqKQWWQeNDdWYHMO3sWJ.
{"copyright_id":"0xd426d66a0c5b6a6aedf794cddcd3c960a3801badf0546cc1249ea2f3c0a04c09","isrc":"GBJAJ2400695","name":"Control It","registered_at":"2026-06-04T12:00:08Z","spotify_id":"5P7icMl4ymHPISaudgMzj7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd426d66a0c5b6a6aedf794cddcd3c960a3801badf0546cc1249ea2f3c0a04c09. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5P7icMl4ymHPISaudgMzj7.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5P7icMl4ymHPISaudgMzj7.
Toolroom Radio EP742 - Presented by ESSEL
Summer Hits 2023: The Best Hits for Your Summer by Hoop Records
Deep House 2024: The Best Deep House Music 2024 - Deep House Vibes - Deep House Party -House Music - Night Vibes - Night Music - Ibiza Party - Club Music by Hoop Records
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7b12fd2f988adb74e761f3845b6ef3adf7258f64c8c06ed6d99c791930e9e10. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4DUit8mjruU2rtDEVXwj7e.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4DUit8mjruU2rtDEVXwj7e.
Dance Music 2024 : The Best Dance Music - Dance Hits - House Hits - Ibiza Party - Party House - Night Vibes - Night Music - Club Music by Hoop Records
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7b12fd2f988adb74e761f3845b6ef3adf7258f64c8c06ed6d99c791930e9e10. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3sfUaA3AuumYKlVZ4jzPpS.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3sfUaA3AuumYKlVZ4jzPpS.
Shopping Music 2023: The Best Music for Your Shopping by Hoop Records
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7b12fd2f988adb74e761f3845b6ef3adf7258f64c8c06ed6d99c791930e9e10. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3AzBizBjnuET78FB72UdSJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3AzBizBjnuET78FB72UdSJ.
Ibiza Summer Hits 2023: The Best Music for Your Ibiza Summer by Hoop Records
Shopping Music 2022: The Best Music for Your Shopping by Hoop Records
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7b12fd2f988adb74e761f3845b6ef3adf7258f64c8c06ed6d99c791930e9e10. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/17MrzfMpeiI0aM8MDkhYTo.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/17MrzfMpeiI0aM8MDkhYTo.