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 0xe6c5115c626cabc3e37e33a977a80fb7f799bedda8abf5f58a0e8a1f47e48010. 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/07cf5615-93fb-4129-8395-9179c7597b21.json and https://artists.proofprofile.net/proofs/artist/07cf5615-93fb-4129-8395-9179c7597b21.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
I Came By to Let You Know That I'm Leaving
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 0x8574f3c46f9ce8c7c258aacb661a1b607d9a08d9bad41f18cc3b1373d0745918. 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/3TTrliKCjLznuDpOsNqIz5.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/3TTrliKCjLznuDpOsNqIz5.
Kitsuné Soleil Mix 2 by Gildas Kitsuné & Jerry Bouthier
Kitsuné Maison Compilation 14: The 10th Anniversary Issue (Bonus Track Version)
The Kitsuné Special Edition #3 (Kitsuné Maison 14: The Absinthe Edition + Gildas Kitsuné Club Night Mix #3)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73c33b017ee5f2084881b923885749122a7f4eae87a5d3df9bfc06bdf8462596. 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/4JAFSWbCqcI6CdzESfZPyA.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/4JAFSWbCqcI6CdzESfZPyA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x185f2f09c1f14c451d9c4d0a6f48bbae94fda05cb56717e65e2e970a314545fc. 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/3ajVxXsnJ0DUCRFrU5kxfD.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/3ajVxXsnJ0DUCRFrU5kxfD.
{"copyright_id":"0xb1553d335094ea7bf7e8344ecaaefc7a91d2d00abf8465dab6d71a46bb89a918","isrc":"FR9W11507245","name":"What I Do","registered_at":"2026-06-06T16:21:41Z","spotify_id":"2qQLy8vcfmQu2bl6XPzFDU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1553d335094ea7bf7e8344ecaaefc7a91d2d00abf8465dab6d71a46bb89a918. 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/2qQLy8vcfmQu2bl6XPzFDU.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/2qQLy8vcfmQu2bl6XPzFDU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c7bdce9207e9ae15d335186827137f42d1129e73a591c15d74898bbc2365aed. 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/2nHjiDK2inm8YGKUbIV8Wp.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/2nHjiDK2inm8YGKUbIV8Wp.