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 0xfb74b23cf0cc55e7d38ab73947ba7a0412770d84a543d18c58428def0b740faa. 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/bc20d9ff-1829-44e5-8797-9a6279d96c27.json and https://artists.proofprofile.net/proofs/artist/bc20d9ff-1829-44e5-8797-9a6279d96c27.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
I'm A-Rolling Through an Unfriendly World
Les plus beaux negro spirituals (feat. John Work and His Orchestra, Anne Kennedy) [Mono Version, Live]
Sinner, Please Don't Let This Harvest Pass - Live
Daniel, Daniel Servant of the World - Live
I Know The Lord Has Laid His Hands On Me
Everybody Ought To Pray Sometime; Ev'ry Time I Feel The Spirit
We Shall Walk Through The Valley In Peace
Gospel Music Hall of Fame Series - The Fisk Jubilee Singers
I Know the Lord Has Laid His Hands on Me
Oh Mary, Don't You Weep, Don't You Mourn
Celebrating Fisk! (The 150th Anniversary Album)
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 0xaef8fedf8e6a84856013e47019960af6983982be4f3c763825a2d32b8d50011a. 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/0W8YA8ADcKFDyOTaoK85ue.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/0W8YA8ADcKFDyOTaoK85ue.
Everybody Ought To Treat A Stranger Right
{"copyright_id":"0x4fbdc1dcd90681c5177dca945ceec28f10b39753349ca0b8c042cb6c4b060357","isrc":"USCRB2000013","name":"Glory / Stranger","registered_at":"2026-06-26T20:11:44Z","spotify_id":"6GibNJNmxfbTiVMWAp3fux","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fbdc1dcd90681c5177dca945ceec28f10b39753349ca0b8c042cb6c4b060357. 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/6GibNJNmxfbTiVMWAp3fux.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/6GibNJNmxfbTiVMWAp3fux.
{"copyright_id":"0xab8405e4fc748d0d33446ffbd05a7c6fbd75589fa9893812e771a5a13685d359","isrc":"USCRB2000012","name":"Working On A Building","registered_at":"2026-06-24T10:20:07Z","spotify_id":"7KrfkcA6FGg4uutnsZKv87","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab8405e4fc748d0d33446ffbd05a7c6fbd75589fa9893812e771a5a13685d359. 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/7KrfkcA6FGg4uutnsZKv87.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/7KrfkcA6FGg4uutnsZKv87.
{"copyright_id":"0xd0337345ed4379a511b8cb2c6fa81b9a2990a3ebf0b5ede8d756e555c9425c6e","isrc":"USCRB1813838","name":"Caught Up In The Country","registered_at":"2026-06-01T07:25:09Z","spotify_id":"4aGG4VOWGv9RwlYQNsBrkE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0337345ed4379a511b8cb2c6fa81b9a2990a3ebf0b5ede8d756e555c9425c6e. 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/4aGG4VOWGv9RwlYQNsBrkE.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/4aGG4VOWGv9RwlYQNsBrkE.
Music Down Home: An Introduction to Negro Folk Music, U.S.A.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfadb87e9be711e8e97de01f31068c15c0691c5e18d8e96974576d7ae3a1cf942. 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/0NhrGm7avZ7JkcYfotBZeF.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/0NhrGm7avZ7JkcYfotBZeF.
Voice of the Spirit, The Gospel of the South
Together, A New Beginning (A Tribute To The Ronald Reagan Centennial)