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 0x4b05526a708098b35a48dd2379a557170c55d832120866fb939f560b7bbfc4ab. 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/afd7b7b7-f932-4cd5-9cd1-9d358bff7920.json and https://artists.proofprofile.net/proofs/artist/afd7b7b7-f932-4cd5-9cd1-9d358bff7920.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sho' Like Groovin' with Ya - WMI Compilation Edit
Have Yourself a Good Time Thinkin' Bout the Good Times
You Can't Have Love (Without Complications)
The MGM Collection (Reissues With Bonus Track)
Man Up in the Sky - The Best of Johnny Bristol
Keep This Thought in Mind (Extended Version)
Look Into the Eyes of a Fool (Extended Version)
Hang On In There Baby (Billboard Hot 100 - No 08)
{"copyright_id":"0x7759056463baf4dfb0d33cea1ee3aac38ec2b40db1f6b4ce1c7943fd9de6e677","isrc":"GBQRF0700973","name":"Hang on in There Baby","registered_at":"2026-06-22T23:52:02Z","spotify_id":"2j9tsDheROHA4Gid1TUeVA","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 0x7759056463baf4dfb0d33cea1ee3aac38ec2b40db1f6b4ce1c7943fd9de6e677. 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/2j9tsDheROHA4Gid1TUeVA.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/2j9tsDheROHA4Gid1TUeVA.
Hang On In There Baby - Extended Version
The Best Of Disco Funk (Disco Nights Vol.2)
{"copyright_id":"0x00d2231f0200f16ce5e230ca6a1c34f3aa671c1b1fe99200b1b550592665534c","isrc":"USUR10301340","name":"Hang On In There Baby - Extended Version","registered_at":"2026-06-20T03:26:15Z","spotify_id":"6eVp6GN14yxcT8rclvs8VO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00d2231f0200f16ce5e230ca6a1c34f3aa671c1b1fe99200b1b550592665534c. 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/6eVp6GN14yxcT8rclvs8VO.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/6eVp6GN14yxcT8rclvs8VO.
{"copyright_id":"0x7759056463baf4dfb0d33cea1ee3aac38ec2b40db1f6b4ce1c7943fd9de6e677","isrc":"GBQRF0700973","name":"Hang on in There Baby","registered_at":"2026-06-22T23:52:02Z","spotify_id":"3IK63KmZAeYd8nyrkrhePo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7759056463baf4dfb0d33cea1ee3aac38ec2b40db1f6b4ce1c7943fd9de6e677. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3IK63KmZAeYd8nyrkrhePo.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/3IK63KmZAeYd8nyrkrhePo.