1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00fd76ba691141657678fc9bb78d56111681120a15244d58ccced4a607ef8054. Chain 2 (Bitcoin): anchored in block 953972 (2026-06-16T16:31:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2a09e890-e20a-48ca-90b0-ee18db031e74.json and https://artists.proofprofile.net/proofs/artist/2a09e890-e20a-48ca-90b0-ee18db031e74.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 12
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 44
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 14
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 32
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 2
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 30
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 28
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 22
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 6
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 10
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 5
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 46
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 41
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 23
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 16
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 15
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 11
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 33
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 42
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 4
I'm In Heaven (Jason Nevins Karaoke Tribute) - Karaoke Mix
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x215b1f36897b7d082810384100285ef4bf13e783bc29bff12787ad5f89dd6a08. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQY51149769.
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 49
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 26
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 8
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 7
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 34
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 17
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 18
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 47
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 29
Beautiful Boy (Darling Boy) (John Lennon Karaoke Tribute) - Karaoke Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x222f08cf3ed9700990b63b3fa47466a81f3287bd3552f88a89843be3db9918a4. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T18:40:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQY51151407.
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 25
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 13
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 1
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 19
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 45
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 39
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 38
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 27
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 21
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Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 20
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 36
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 48
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 9
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 31
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 3
Poptastic Karaoke Presents - Top Off The Pops 3 Vol. 24
Poptastic Karaoke Presents - Top Off The Pops Vol. 62 - Karaoke Tribute Album