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 0x2a26b9b3a48702196f6055f1ba02efa70951e02d0985b3daeb678ac42c8444f6. 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/84a41788-dbb8-4fbf-ba09-d3a1201eeaf8.json and https://artists.proofprofile.net/proofs/artist/84a41788-dbb8-4fbf-ba09-d3a1201eeaf8.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 0xd00390f5661e4c9dd02e705801d958fc827c00fbeaf0a65c8958baf53b5a1907. 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/7k8YybkxWntBgom7yF3wk7.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/7k8YybkxWntBgom7yF3wk7.
BLUETOOTH (Feat. Kid Milli) (Prod. sec paul)
Typing (Feat. K.vsh) (Prod. Tobias Dray)
{"copyright_id":"0x0ba14f87da1a53aaf656fafcfabedb0eb0995665874485d9204bb17c728aa24b","isrc":"KRA382159388","name":"ZERO% (Feat. YUNHWAY, GIRIBOY)","registered_at":"2026-06-24T11:46:43Z","spotify_id":"16iJWoupYurLpBYPCm1bA5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ba14f87da1a53aaf656fafcfabedb0eb0995665874485d9204bb17c728aa24b. 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/16iJWoupYurLpBYPCm1bA5.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/16iJWoupYurLpBYPCm1bA5.
{"copyright_id":"0xb2ff76504978b18b2cd1f5191ebe10add581cb60abb2ab4003da65a47d439543","isrc":"KRA382100243","name":"Spelling (Feat. meenoi)","registered_at":"2026-06-20T03:48:56Z","spotify_id":"72QBKRfZmi844rRxYOsLPj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2ff76504978b18b2cd1f5191ebe10add581cb60abb2ab4003da65a47d439543. 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/72QBKRfZmi844rRxYOsLPj.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/72QBKRfZmi844rRxYOsLPj.
KiD (Feat. B JYUN., YEYEBEEN, DNEIRF) (Prod. YEOHO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf66f6758787f6857f8c196a9174dfe785da84b509f79111a24422c6be124f4f2. 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/699iM8x19NFJx0MKsdqkqo.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/699iM8x19NFJx0MKsdqkqo.
4 the Youth (feat. OLNL, YESEO, Ku One Chan, Cherry Coke & Minje)
{"copyright_id":"0xb853b5509a8aa2ec5295178dedbd90c55812b519da6ff83ff3f9181965609840","isrc":"KRC391800022","name":"4 the Youth (feat. OLNL, YESEO, Ku One Chan, Cherry Coke & Minje)","registered_at":"2026-06-22T23:59:54Z","spotify_id":"2I0yOI6h9H665WwQF1KI2D","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb853b5509a8aa2ec5295178dedbd90c55812b519da6ff83ff3f9181965609840. 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/2I0yOI6h9H665WwQF1KI2D.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/2I0yOI6h9H665WwQF1KI2D.
Way (Feat. CHOILB, GIRIBOY, BIG Naughty, Kvsh, Kim Seungmin, OLNL, Kid Milli, THAMA)
{"copyright_id":"0x14e979e067a672efafc6825ba70dc94f9bad81c663bb406b61892d1fa3ca3b66","isrc":"KRA382203725","name":"Way (Feat. CHOILB, GIRIBOY, BIG Naughty, Kvsh, Kim Seungmin, OLNL, Kid Milli, THAMA)","registered_at":"2026-06-20T03:06:48Z","spotify_id":"0WHUg5Z0NZkeuPt5l4uMB9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14e979e067a672efafc6825ba70dc94f9bad81c663bb406b61892d1fa3ca3b66. 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/0WHUg5Z0NZkeuPt5l4uMB9.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/0WHUg5Z0NZkeuPt5l4uMB9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x521010cc63626854c27e0fe8edd0ee6e7031fed6d8a3c2937c1fbf4321423bc2. 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/4vFE2N3jJIql1HB1Ieyz8l.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/4vFE2N3jJIql1HB1Ieyz8l.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58b65cd43d38c0db206b8a941b3560926a172e5153e3feb1b7f906325bb6ca10. 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/7zATOr1VnsxhEmBdGOfVVf.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/7zATOr1VnsxhEmBdGOfVVf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x293b63c91f196792fefa56341f44dec61e16de9e28ed14f41de8bc9273552b09. 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/48BG1jM0IvYCXcB0rGkUU2.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/48BG1jM0IvYCXcB0rGkUU2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb2dc66ff1efc05f5f6e2bdb377a9388579f1ad51d9e2d5051e1c26aaf95a33e. 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/58dZIDD2jTodWVUw2Aezoo.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/58dZIDD2jTodWVUw2Aezoo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa01b87e4be2816010e7b56fba4b8c9152ff17e71ccef54a47850c7d220bae26. 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/46pOPiBHn1HnsZTBaPm0fs.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/46pOPiBHn1HnsZTBaPm0fs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ed304941ee90385178423c9f66b7e9aaf1c97b9fd8b495073cf033d0f309896. 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/5BLyREVZTWWGlfTnFCYNwp.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/5BLyREVZTWWGlfTnFCYNwp.
Life Is Good (Feat. OLNL, george, CHOILB)
{"copyright_id":"0x3a218d3598d0fc4ed796482572fcd1f815320660f196222769bbee36fe49fdc2","isrc":"KSA002300514","name":"Life Is Good (Feat. OLNL, george, CHOILB)","registered_at":"2026-06-20T01:49:43Z","spotify_id":"1nezOLMQmPFtRfdrg7hsGQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a218d3598d0fc4ed796482572fcd1f815320660f196222769bbee36fe49fdc2. 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/1nezOLMQmPFtRfdrg7hsGQ.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/1nezOLMQmPFtRfdrg7hsGQ.
EWSN (Feat. CHOILB, OLNL, Kid Milli, GIRIBOY, Han Yo Han)
{"copyright_id":"0x0ae6bbeabcdf3ba4251187aac6d35aa38f4d582112232a165059432d3697319d","isrc":"KRF071800023","name":"EWSN (Feat. CHOILB, OLNL, Kid Milli, GIRIBOY, Han Yo Han)","registered_at":"2026-06-19T08:57:48Z","spotify_id":"54A8NqCjBKUrbtc0na2jeg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ae6bbeabcdf3ba4251187aac6d35aa38f4d582112232a165059432d3697319d. 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/54A8NqCjBKUrbtc0na2jeg.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/54A8NqCjBKUrbtc0na2jeg.