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 0x91fdec88a349e111c9659c84b22ba25b961f422a05fb36dcab0195f58afd7378. 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/9aa7c985-d3cf-4be9-83ee-e953da2cfd63.json and https://artists.proofprofile.net/proofs/artist/9aa7c985-d3cf-4be9-83ee-e953da2cfd63.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x290303ad873d8fe13da2a414a87a4dd1a10889722db58c5353d4707ebf4a8686","isrc":"GBFBC1401181","name":"Easy Ain't Nothin - Smoove Remix","registered_at":"2026-06-07T13:22:17Z","spotify_id":"1v4hNY9nfFQrnji31iZA6S","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 0x290303ad873d8fe13da2a414a87a4dd1a10889722db58c5353d4707ebf4a8686. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1v4hNY9nfFQrnji31iZA6S.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/1v4hNY9nfFQrnji31iZA6S.
Easy Ain’t Nothin (Featurecast Instrumental)
You Made Us Change (Antenna Happy Remix)
You Made Us Change - Antenna Happy Remix
You'll Never See Me Cry (Spotify Exclusive)
You'll Never See Me Cry - Ambassadeurs Remix
You'll Never See Me Cry (Ambassadeurs Remix)
Everyday Killers (Gentleman's Dub Club Vocal Mix)
Everyday Killers (Gentleman's Dub Club Remix)
Everyday Killers - Gentleman's Dub Club Vocal Mix
Everyday Killers - Gentleman's Dub Club Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x170c507764e658d7ea787c3ba0678fe9fd9096acdd24965a3884253d6e482691. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6SqX9J8tXk7rXaspk7GWX1.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/6SqX9J8tXk7rXaspk7GWX1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x170c507764e658d7ea787c3ba0678fe9fd9096acdd24965a3884253d6e482691. 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/0cd4WOWjj1UoFnQpHOdhBk.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/0cd4WOWjj1UoFnQpHOdhBk.
{"copyright_id":"0x290303ad873d8fe13da2a414a87a4dd1a10889722db58c5353d4707ebf4a8686","isrc":"GBFBC1401181","name":"Easy Ain't Nothin - Smoove Remix","registered_at":"2026-06-07T13:22:17Z","spotify_id":"1ScjhIPyt2pM2Yi1h32BFQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x290303ad873d8fe13da2a414a87a4dd1a10889722db58c5353d4707ebf4a8686. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1ScjhIPyt2pM2Yi1h32BFQ.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/1ScjhIPyt2pM2Yi1h32BFQ.
Deep House Fever 02: The Finest Music Selection #Before #Party #After #Chill
Needwant: Kollect – Balearic & Other Shades of Sunset
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x170c507764e658d7ea787c3ba0678fe9fd9096acdd24965a3884253d6e482691. 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/3YRY55lecXeXu1QZ7qmdMU.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/3YRY55lecXeXu1QZ7qmdMU.
You’ll Never See Me Cry (Ambassadeurs Remix)
Future Disco Presents: Poolside Sounds, Vol. 5
{"copyright_id":"0xfb0417ef889ccef12353543682ac76e38935a6b815d3e7549994c4300368c2bd","isrc":"GBFBC1501343","name":"You’ll Never See Me Cry (Ambassadeurs Remix)","registered_at":"2026-06-26T23:54:33Z","spotify_id":"4J8pP80giPMc6bpd5Sg4cT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb0417ef889ccef12353543682ac76e38935a6b815d3e7549994c4300368c2bd. 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/4J8pP80giPMc6bpd5Sg4cT.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/4J8pP80giPMc6bpd5Sg4cT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x170c507764e658d7ea787c3ba0678fe9fd9096acdd24965a3884253d6e482691. 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/1ycSHImFdoFYi3BKxYPNT0.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/1ycSHImFdoFYi3BKxYPNT0.
Trip-Hop Music - The Must Have Selection