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 0x35e6e4efab5c5a675c9bc64a66284d28b634c40957ce68c6ddc546a050c10323. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/aff998e6-5d5d-4b61-bcdf-be2a26dca8c5.json and https://artists.proofprofile.net/proofs/artist/aff998e6-5d5d-4b61-bcdf-be2a26dca8c5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Blues from underground (feat. Scar haze)
All In My Hand (feat. AKITAKEN DOBUROKU)
{"copyright_id":"0xa5ac11dff39b554af9255f2a7e8b6b57f1d36645a8bf64b5a3461e1d98c1680e","isrc":"TCJPH1808541","name":"Die Alone (feat. O-Jee)","registered_at":"2026-06-10T18:34:03Z","spotify_id":"5NWa91clOaSKxYTdIBVSeT","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 0xa5ac11dff39b554af9255f2a7e8b6b57f1d36645a8bf64b5a3461e1d98c1680e. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5NWa91clOaSKxYTdIBVSeT.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/5NWa91clOaSKxYTdIBVSeT.
{"copyright_id":"0xa5ac11dff39b554af9255f2a7e8b6b57f1d36645a8bf64b5a3461e1d98c1680e","isrc":"TCJPH1808541","name":"Die Alone (feat. O-Jee)","registered_at":"2026-06-10T18:34:03Z","spotify_id":"4hlxWAOVchHNweANsStVfP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5ac11dff39b554af9255f2a7e8b6b57f1d36645a8bf64b5a3461e1d98c1680e. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4hlxWAOVchHNweANsStVfP.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/4hlxWAOVchHNweANsStVfP.
romantic city (feat. YUSHI & Dony Joint)
we are in the future (feat. JAZEE MINOR)
{"copyright_id":"0xca18e0ab8019b61d39e0af9eb52d73d26488ae85eb71035ed68d1aabc8672cd5","isrc":"TCJPI1990310","name":"You Can Get Again","registered_at":"2026-06-24T22:09:03Z","spotify_id":"25AAVl2wFlNNvAf83vSJbE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca18e0ab8019b61d39e0af9eb52d73d26488ae85eb71035ed68d1aabc8672cd5. 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/25AAVl2wFlNNvAf83vSJbE.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/25AAVl2wFlNNvAf83vSJbE.
{"copyright_id":"0xc4f339494180a6af7fbbdbd604c87831aceab6bdb2546bc25353548c0c8e92c9","isrc":"TCJPJ1943128","name":"Roots My Roots","registered_at":"2026-06-23T16:21:39Z","spotify_id":"6mdBndcIyJ2Lx0P5qm0XGb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4f339494180a6af7fbbdbd604c87831aceab6bdb2546bc25353548c0c8e92c9. 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/6mdBndcIyJ2Lx0P5qm0XGb.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/6mdBndcIyJ2Lx0P5qm0XGb.
{"copyright_id":"0xca18e0ab8019b61d39e0af9eb52d73d26488ae85eb71035ed68d1aabc8672cd5","isrc":"TCJPI1990310","name":"You Can Get Again","registered_at":"2026-06-24T22:09:03Z","spotify_id":"3s4pOSLei4MtcaxTMlvNpJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca18e0ab8019b61d39e0af9eb52d73d26488ae85eb71035ed68d1aabc8672cd5. 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/3s4pOSLei4MtcaxTMlvNpJ.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/3s4pOSLei4MtcaxTMlvNpJ.
{"copyright_id":"0xca18e0ab8019b61d39e0af9eb52d73d26488ae85eb71035ed68d1aabc8672cd5","isrc":"TCJPI1990310","name":"You Can Get Again","registered_at":"2026-06-24T22:09:03Z","spotify_id":"0DLq0byO3kkVgqHhANFsNv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca18e0ab8019b61d39e0af9eb52d73d26488ae85eb71035ed68d1aabc8672cd5. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0DLq0byO3kkVgqHhANFsNv.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/0DLq0byO3kkVgqHhANFsNv.
KAMAITACHI (feat. BADSAIKUSH & DELTA9KID)
ur choice - Freestyle (feat. MONTANA JOE CARTER)