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 0x770596462414709400e548f973f6a77355a8fd347191b11f08ff4c4549f89fc5. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5c6c486a-7f0e-4c37-9265-29352b204056.json and https://artists.proofprofile.net/proofs/artist/5c6c486a-7f0e-4c37-9265-29352b204056.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xe8ccd90208d4b1f7a263ad5c04b63eef8e2051b19332d8f3d7d6115ce5b3bd6e","isrc":"USM1C2100006","name":"Paid For It (Remix)","registered_at":"2026-06-07T12:40:49Z","spotify_id":"5i56CtffCGlvGXn0KdtaaB","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 0xe8ccd90208d4b1f7a263ad5c04b63eef8e2051b19332d8f3d7d6115ce5b3bd6e. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5i56CtffCGlvGXn0KdtaaB.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/5i56CtffCGlvGXn0KdtaaB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ad558c6a88d437d284508ed3bc665d09328ae24be8bf29b91c2c30afd35756d. 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/79jjYHyM1luXI6G2aBLdBJ.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/79jjYHyM1luXI6G2aBLdBJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x643fa8e37733011ef76816be88e5d78378c023ae38b5e4287eacfd2c9c124707. 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/0mLk4AuHy7DTkoChwaYRJc.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/0mLk4AuHy7DTkoChwaYRJc.
{"copyright_id":"0x5dfaf8b3011c2d562946bfba0fed733edf0a336f2cb487bcb430c06db5dc10db","isrc":"AUHS02014021","name":"Never Have I Ever - Acoustic","registered_at":"2026-06-09T07:53:57Z","spotify_id":"4FZho7IAHB2Y9XT36SJqAR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dfaf8b3011c2d562946bfba0fed733edf0a336f2cb487bcb430c06db5dc10db. 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/4FZho7IAHB2Y9XT36SJqAR.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/4FZho7IAHB2Y9XT36SJqAR.
{"copyright_id":"0x368a06bfa1d53ae2ec3235f1632d8dbde75784a662be64f9ba50b17b4bab41db","isrc":"AUHS02014023","name":"As I Am - Acoustic","registered_at":"2026-06-08T03:57:14Z","spotify_id":"2X2ypLRK7TgdjK0Mmjfl30","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x368a06bfa1d53ae2ec3235f1632d8dbde75784a662be64f9ba50b17b4bab41db. 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/2X2ypLRK7TgdjK0Mmjfl30.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/2X2ypLRK7TgdjK0Mmjfl30.
{"copyright_id":"0x01fdeb74edfb520b639f409ec1ecdd5e9c29be1af53df69ec263935ec2f021d1","isrc":"AUHS02014025","name":"Indescribable - Acoustic","registered_at":"2026-06-09T07:57:39Z","spotify_id":"71pQbeTifQDzN3f5h9WFCm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01fdeb74edfb520b639f409ec1ecdd5e9c29be1af53df69ec263935ec2f021d1. 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/71pQbeTifQDzN3f5h9WFCm.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/71pQbeTifQDzN3f5h9WFCm.
{"copyright_id":"0x89d6db2df3f0af72dc813c2050ed94f5314cd40bca3abb9f0fcc5bc05bfc0a0d","isrc":"AUHS02013155","name":"Indescribable - Live","registered_at":"2026-06-04T15:28:54Z","spotify_id":"6dcVuuFbBFNHux4RDepCxZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89d6db2df3f0af72dc813c2050ed94f5314cd40bca3abb9f0fcc5bc05bfc0a0d. 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/6dcVuuFbBFNHux4RDepCxZ.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/6dcVuuFbBFNHux4RDepCxZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd73c7d47a13e32466cc33b7279d6bce558b1731151bacfaf0919c4214650717e. 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/2Iz9iPqFT7gk3ZCkpyyP18.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/2Iz9iPqFT7gk3ZCkpyyP18.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cb83ff0a949b387785228693894a66a30f2c2fb27fab42cd078e31f17fe360b. 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/3eXoQ7wS1OiY7mJ8fBw1Z9.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/3eXoQ7wS1OiY7mJ8fBw1Z9.
{"copyright_id":"0xca2a88e00c117195bb2deff2b3ef026ecebe715aefa3146635055b592f479876","isrc":"AUHS02013289","name":"Everything I Could Want - Live","registered_at":"2026-06-07T20:26:25Z","spotify_id":"1Fp8jxeTB5GlSbpG50zHLf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca2a88e00c117195bb2deff2b3ef026ecebe715aefa3146635055b592f479876. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1Fp8jxeTB5GlSbpG50zHLf.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/1Fp8jxeTB5GlSbpG50zHLf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1366a547a8da4218c4c8ff0cc9a0b5ab990dde4ea4fa753ac32d4ac0caf542f6. 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/2y2it6Cv1VCQYA7hT3S793.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/2y2it6Cv1VCQYA7hT3S793.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3af9455fadb6a0c119d30ed871f92ee90e39f5468188c9520e33ff57dc7694f1. 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/6sRPrLcv1ENZMxc0l7eToW.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/6sRPrLcv1ENZMxc0l7eToW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f29bf468fca4120f81bab213cb8a53fec0976965e5d9c8d757536a600cb67e6. 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/3TY8cUiS5x6ZlzSRq4bigj.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/3TY8cUiS5x6ZlzSRq4bigj.
{"copyright_id":"0xdf0f06f425d77c21a9b829ce0e6c0d8e0471091af550befea2269acbdce90480","isrc":"AUHS01912258","name":"P E A C E - Acoustic","registered_at":"2026-06-04T14:52:31Z","spotify_id":"2eEdlQTF6qJCXC5f8MFnu7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf0f06f425d77c21a9b829ce0e6c0d8e0471091af550befea2269acbdce90480. 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/2eEdlQTF6qJCXC5f8MFnu7.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/2eEdlQTF6qJCXC5f8MFnu7.
{"copyright_id":"0x8795aaf76ae69b0cc869e1455f9d6258cbb4eb4dba2bfb404eecff2f3c5c592c","isrc":"AUHS01912260","name":"How Deep Is The Love - Acoustic","registered_at":"2026-06-05T12:51:42Z","spotify_id":"605HzlCGazSahORIE9FHqT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8795aaf76ae69b0cc869e1455f9d6258cbb4eb4dba2bfb404eecff2f3c5c592c. 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/605HzlCGazSahORIE9FHqT.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/605HzlCGazSahORIE9FHqT.
{"copyright_id":"0xe77342d9be2228c4571b18b7daef663d5691f662e0743a488e754e60326b00d5","isrc":"AUHS01810967","name":"P E A C E - Live at Hillsong Conference","registered_at":"2026-06-05T12:53:17Z","spotify_id":"1pofe6Dmq3rSgZjmQ8gBZY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe77342d9be2228c4571b18b7daef663d5691f662e0743a488e754e60326b00d5. 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/1pofe6Dmq3rSgZjmQ8gBZY.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/1pofe6Dmq3rSgZjmQ8gBZY.
How Deep Is The Love - Live at Hillsong Conference
{"copyright_id":"0x47d27fea3aa97820a90ae52b3c5b99b75b00f02cf33c6acef9375c88bb13d020","isrc":"AUHS01810970","name":"How Deep Is The Love - Live at Hillsong Conference","registered_at":"2026-06-10T18:16:03Z","spotify_id":"4IevO0gjYyastEOQUfpMuI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47d27fea3aa97820a90ae52b3c5b99b75b00f02cf33c6acef9375c88bb13d020. 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/4IevO0gjYyastEOQUfpMuI.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/4IevO0gjYyastEOQUfpMuI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x011786026cfcb4256503e203f4b728050e61be4bcd25c3a1125fdcbe86a20305. 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/3WmVF3JXhuXY8bNQgkVqbq.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/3WmVF3JXhuXY8bNQgkVqbq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9966aa2e52e56007ce86fc474fca8c98403e0469738ef4d0d5c7c10249d45a84. 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/5Wqz0Ayyr6ciO1oSAujrGj.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/5Wqz0Ayyr6ciO1oSAujrGj.
{"copyright_id":"0x473cd62f6cae17ecb43e578573a5a8a08f95f91bae7a3fffe3aeee3ab626aed4","isrc":"AUHS01810172","name":"SELAH III (Fruits of the Spirit)","registered_at":"2026-06-07T20:25:59Z","spotify_id":"53EoUzxHKahHQKENoBUWg2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x473cd62f6cae17ecb43e578573a5a8a08f95f91bae7a3fffe3aeee3ab626aed4. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/53EoUzxHKahHQKENoBUWg2.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/53EoUzxHKahHQKENoBUWg2.