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 0x0fa9a0653cd4ce6095f6b72cd4a9d655bc216279c50ff4680de4654e363f22c8. 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/b6a45800-dccf-43f7-9744-acd8c3dcb34d.json and https://artists.proofprofile.net/proofs/artist/b6a45800-dccf-43f7-9744-acd8c3dcb34d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Stand Up (Featuring Ghostface Killah) (feat. Ghostface Killah)
{"copyright_id":"0x1a7cff35574ac49b570ec17d204b91473f7ba11444e26bbe975d987973976080","isrc":"USSM19801726","name":"Stand Up (Featuring Ghostface Killah) (feat. Ghostface Killah)","registered_at":"2026-06-09T15:45:38Z","spotify_id":"1OthLEsS1Qc4zwEjJ2E2Xx","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 0x1a7cff35574ac49b570ec17d204b91473f7ba11444e26bbe975d987973976080. 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/1OthLEsS1Qc4zwEjJ2E2Xx.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/1OthLEsS1Qc4zwEjJ2E2Xx.
Keep It Real (Featuring Cam'ron) (feat. Cam'ron)
Pull The Alarm (Featuring Billy Lawrence) (feat. Billy Lawrence)
{"copyright_id":"0x80831555892387bcb7edaab19842e4caa2713fcbc1302e0a1913a85dcc6ea5cb","isrc":"USSM19805185","name":"Everybody Wanna Know","registered_at":"2026-06-26T16:33:10Z","spotify_id":"7kuIaKZ25oVDhYauuURws1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80831555892387bcb7edaab19842e4caa2713fcbc1302e0a1913a85dcc6ea5cb. 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/7kuIaKZ25oVDhYauuURws1.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/7kuIaKZ25oVDhYauuURws1.
Mothafuckas Don't Want It (Featuring Boobonic, Tony Dutch & Asa Spade) (feat. Tony Dutch & Asa Spade)
Pimp Da 1 U Love (Featuring Eightball & Rodney Ellis) (feat. Eightball & Rodney Ellis)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe26aa77a92891824caf851feaa39b5588f5b871730b68a956b00542eb7c1dbd5. 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/59HwmPr1kLYUqexhn9YkhW.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/59HwmPr1kLYUqexhn9YkhW.
Thorough Sisters (Featuring Rage, Gangsta Boo, Queen Pen, Da Brat & Scarlet) (feat. Rage, Gangsta Boo, Queen Pen, Da Brat & Scarlet)
{"copyright_id":"0xf67f00f00eb78b92e2bb9ae7aa9a48a38ecdb90d0369fb8bcaaa2343f819a8e4","isrc":"USSM19806244","name":"Thorough Sisters (Featuring Rage, Gangsta Boo, Queen Pen, Da Brat & Scarlet) (feat. Rage, Gangsta Boo, Queen Pen, Da Brat & Scarlet)","registered_at":"2026-06-26T19:38:03Z","spotify_id":"0j8BMiBUj91xiN0FsqE2Zo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf67f00f00eb78b92e2bb9ae7aa9a48a38ecdb90d0369fb8bcaaa2343f819a8e4. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0j8BMiBUj91xiN0FsqE2Zo.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/0j8BMiBUj91xiN0FsqE2Zo.
Infamous (Featuring Mobb Deep & Mike Delorian) (feat. Mobb Deep & Mike Delorian)
Have It All (Featuring Jeni Fujita & Miss Jones) (feat. Jeni Fujita & Miss Jones)
NBC (Featuring Cam'ron and Noreaga) (feat. Cam'ron & Noreaga)
Making Love (Featuring Brotha) (feat. Brotha)
30 Miles From Baltimore (Featuring Brotha) (feat. Brotha)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dd523d8147b833887e1a3ce9ecb4444fd872de9f52211d4f9cb87231586ff5f. 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/5RwZXnNlTsLMlH7oRefFez.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/5RwZXnNlTsLMlH7oRefFez.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaca46b372cbbf706c732cf4af8c062c731a73d5ca8174fb39b3fef3a7b28c87. 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/1HkwtH3XipPmKJeI9CZE1x.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/1HkwtH3XipPmKJeI9CZE1x.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaca46b372cbbf706c732cf4af8c062c731a73d5ca8174fb39b3fef3a7b28c87. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6xmhaML4RGRhBtrbLlUVJx.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/6xmhaML4RGRhBtrbLlUVJx.