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 0x1438bfcb483f0f2eba99d1f23a5bb2d3f573240a2248798d2bc8d8708e738591. 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/798899fb-d20a-486c-ad50-6413a9c894ad.json and https://artists.proofprofile.net/proofs/artist/798899fb-d20a-486c-ad50-6413a9c894ad.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x5e02712d3ff1a59daa5ed1e50ccae6d8f13db718381f7c13216a3ab2637cc907. 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/7tQCZRJOVU3nJwAyuxG2g5.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/7tQCZRJOVU3nJwAyuxG2g5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56155e263f336f2335ffa43db4e0ad431ceb779c5c2d7bbbaa1a925328da5252. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0r37tJQv0ENHjgc1dEAKPu.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/0r37tJQv0ENHjgc1dEAKPu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaeae3dd2d83636f1c29e2fde2683c08e3e5cc40d1608d458adbb17ec2843a53f. 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/6hhdDSXJ1FtO6mTDoSElFj.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/6hhdDSXJ1FtO6mTDoSElFj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62102228f92cb399ffdd2c0e194e21b254bee5de7024dd9085d716a5776a8d27. 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/7M6HfbnPBfKiGPtfItgcF9.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/7M6HfbnPBfKiGPtfItgcF9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cf35c6cf00aa7e42adb085b1474121c67363b1fc2a622e171208a0c4ccf38d1. 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/4VExm2EYX6ZaW85EDdH0rq.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/4VExm2EYX6ZaW85EDdH0rq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10ed77618bad43344d270a93b6c5b37b49877556c23cc9a7c19ed7a561b4636e. 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/0b4ytRbgHIIxRqcyyqATZ4.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/0b4ytRbgHIIxRqcyyqATZ4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25192d49b6f9777cbc6b1c9857766b9f4042ffdbc9265a574958272f114b8c2a. 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/1qr41jHDD3DGIR6V6Ykv9P.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/1qr41jHDD3DGIR6V6Ykv9P.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8159456ef437a39015747e07c1256b7a57c6611d965c7248707d380396f5dcf. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/65evjvJd0e4nAWcoppP4qJ.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/65evjvJd0e4nAWcoppP4qJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x872b73b15201a4ff8e42670074ec7ee21be9afb3f46c909b7cb6941f41a09840. 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/13K5KQOxHiAgen1DT9nPR4.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/13K5KQOxHiAgen1DT9nPR4.
{"copyright_id":"0x20c34f3162b77db30fc1cfb5cd9202ace09d5a1e5e57b05a1a763a5bbd1e334f","isrc":"RUAGT2450017","name":"Dancing Shadow","registered_at":"2026-06-27T11:42:58Z","spotify_id":"3uHsqnZfJ1wPROZWssRbv1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20c34f3162b77db30fc1cfb5cd9202ace09d5a1e5e57b05a1a763a5bbd1e334f. 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/3uHsqnZfJ1wPROZWssRbv1.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/3uHsqnZfJ1wPROZWssRbv1.
On The Floor (slowed + reverb) [feat. Muffin, blueberry & Dayana]
{"copyright_id":"0xfbc0daa294759f063a35a647312fad9c7a3d1cf7311c89d8bf3ad823cdf62885","isrc":"QZS642212084","name":"On The Floor (slowed + reverb) [feat. Muffin, blueberry & Dayana]","registered_at":"2026-06-25T08:11:50Z","spotify_id":"66RR1oSoQ8b6hF2G0Z9VzE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbc0daa294759f063a35a647312fad9c7a3d1cf7311c89d8bf3ad823cdf62885. 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/66RR1oSoQ8b6hF2G0Z9VzE.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/66RR1oSoQ8b6hF2G0Z9VzE.
Colors (slowed + reverb) [feat. Muffin, EQRIC & Narvent]