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 0xb3e9fb02b5757b73531f1ca4b5fca1cebb27f1092bff451a27c1d94a7df04e7a. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3c322ac0-2266-4d7b-aa46-3b70f6f55f95.json and https://artists.proofprofile.net/proofs/artist/3c322ac0-2266-4d7b-aa46-3b70f6f55f95.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
Easy Instrumental Hits, Vol. 01 (Karaoke Version)
Easy Instrumental Hits Vol. 55 (Karaoke Version)
Easy Instrumental Hits Vol. 53 (Karaoke Version)
Easy Instrumental Hits Vol. 51 (Karaoke Version)
Easy Instrumental Hits Vol. 50 (Karaoke Version)
Easy Instrumental Hits Vol. 49 (Karaoke Version)
Easy Instrumental Hits Vol. 47 (Karaoke Version)
Easy Instrumental Hits Vol. 46 (Karaoke Version)
Easy Instrumental Hits Vol. 45 (Karaoke Version)
Easy Instrumental Hits Vol. 41 (Karaoke Version)
Easy Instrumental Hits Vol. 32 (Karaoke Version)
Easy Instrumental Hits Vol. 31 (Karaoke Version)
Easy Instrumental Hits Vol. 30 (Karaoke Version)
Easy Instrumental Hits Vol. 29 (Karaoke Version)
Easy Instrumental Hits Vol. 28 (Karaoke Version)
Easy Instrumental Hits Vol. 27 (Karaoke Version)
Easy Instrumental Hits Vol. 23 (Karaoke Version)
Easy Instrumental Hits Vol. 22 (Karaoke Version)
Easy Instrumental Hits Vol. 18 (Karaoke Version)
Easy Instrumental Hits Vol. 17 (Karaoke Version)
Easy Instrumental Hits Vol. 16 (Karaoke Version)
Easy Instrumental Hits Vol. 15 (Karaoke Version)
Easy Instrumental Hits Vol. 123 (Karaoke Version)
Easy Instrumental Hits Vol. 122 (Karaoke Version)
Easy Instrumental Hits Vol. 11 (Karaoke Version)
Easy Instrumental Hits Vol. 10 (Karaoke Version)
Sing Hits of 2008 Vol. 2 (Karaoke Tracks)
Easy Male Instrumental Hits, Vol. 6 (Karaoke Version)
Easy Male Instrumental Hits, Vol. 2 (Karaoke Version)
Easy Karoke - Instrumental Hits, Vol. 80 (Karaoke Tracks)
Take A Look Around (Instrumental Track Without Background Vocals)[Karaoke in the style of Limp Bizket]
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 0xde8e57d87ec9e76184e059c320944f4442f960f419c68aa89fd8995dec35793c. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKKS0702477 — a six-check JSON result.
Easy Karaoke: Instrumental Hits, Vol. 26 (Karaoke Tracks)
Easy Karaoke: Instrumental Hits, Vol. 25 (Karaoke Tracks)
Easy Karaoke: Instrumental Hits, Vol. 101 (Karaoke Tracks)
Easy Karaoke, Vol. 7: Instrumental Hits (Karaoke Tracks)
Easy Karaoke, Vol. 19: Instrumental Hits (Karaoke Tracks)
Easy Karaoke, Vol. 13: Instrumental Hits (Karaoke Tracks)
Easy Karaoke - Instrumental Hits, Vol. 85 (Karaoke Tracks)
Easy Karaoke - Instrumental Hits, Vol. 81 (Karaoke Tracks)
The Real Slim Shady (Instrumental Track Without Background Vocals)[Karaoke in the style of Eminem]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28db595d67660634a4a0d2a9f956fab69a1ea66125ddc7185e445ac90716c71b. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKKS0702604 — a six-check JSON result.
Porcelain (Instrumental Track With Background Vocals)[Karaoke in the style of Moby]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fbef83e6b038e66f57d33f51b85e8553667fe9a6c852c3e181f75a88dcd7211. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T08:41:42Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKKS0702013 — a six-check JSON result.
Easy Karaoke - Instrumental Hits, Vol. 79 (Karaoke Tracks)
Easy Karaoke - Instrumental Hits, Vol. 77 (Karaoke Tracks)
Easy Karaoke - Instrumental Hits, Vol. 54 (Karaoke Tracks)
Easy Karaoke - Instrumental Hits, Vol. 4 (Karaoke Tracks)
Easy Karaoke - Instrumental Hits, Vol. 108 (Karaoke Tracks)
Easy Karaoke - Instrumental Hits, Vol. 107 (Karaoke Tracks)
Easy Karaoke - Instrumental Hits, Vol. 106 (Karaoke Tracks)
Easy Instrumental Hits, Vol. 99 (Karaoke Version)
Easy Instrumental Hits, Vol. 98 (Karaoke Version)
Easy Instrumental Hits, Vol. 97 (Karaoke Version)
Easy Instrumental Hits, Vol. 96 (Karaoke Version)
Easy Instrumental Hits, Vol. 95 (Karaoke Version)
Easy Instrumental Hits, Vol. 94 (Karaoke Version)
Easy Instrumental Hits, Vol. 93 (Karaoke Version)
Easy Instrumental Hits, Vol. 9 (Karaoke Version)
Easy Instrumental Hits, Vol. 89 (Karaoke Version)
Easy Instrumental Hits, Vol. 88 (Karaoke Version)
Easy Instrumental Hits, Vol. 87 (Karaoke Version)
Easy Instrumental Hits, Vol. 86 (Karaoke Tracks)
Easy Instrumental Hits, Vol. 83 (Karaoke Version)
Against All Odds (Instrumental Track With Background Vocals)[Karaoke in the style of Mariah Carey & Westlife]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61a69033531e5a82f30179289452767f6c176b0386d52482f81e193ff928f587. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKKS0700073 — a six-check JSON result.
Easy Instrumental Hits, Vol. 76 (Karaoke Version)
Easy Instrumental Hits, Vol. 75 (Karaoke Tracks)
Easy Instrumental Hits, Vol. 73 (Karaoke Tracks)
Easy Instrumental Hits, Vol. 70 (Karaoke Version)
Easy Instrumental Hits, Vol. 69 (Karaoke Version)
Easy Instrumental Hits, Vol. 68 (Karaoke Version)
Easy Instrumental Hits, Vol. 67 (Karaoke Version)
Easy Instrumental Hits, Vol. 66 (Karaoke Version)
Easy Instrumental Hits, Vol. 65 (Karaoke Version)
Easy Instrumental Hits, Vol. 64 (Karaoke Version)
Easy Instrumental Hits, Vol. 63 (Karaoke Tracks)
Easy Instrumental Hits, Vol. 62 (Karaoke Version)
Easy Instrumental Hits, Vol. 61 (Karaoke Version)
Easy Instrumental Hits, Vol. 60 (Karaoke Version)
Easy Instrumental Hits, Vol. 6 (Karaoke Version)
Easy Instrumental Hits, Vol. 59 (Karaoke Tracks)
Easy Instrumental Hits, Vol. 58 (Karaoke Version)
Easy Instrumental Hits, Vol. 57 (Karaoke Tracks)
Easy Instrumental Hits, Vol. 56 (Karaoke Version)
Easy Instrumental Hits, Vol. 55 (Karaoke Version)
Easy Instrumental Hits, Vol. 54 (Karaoke Version)
Easy Instrumental Hits, Vol. 53 (Karaoke Version)
Easy Instrumental Hits, Vol. 52 (Karaoke Version)
Easy Instrumental Hits, Vol. 5 (Karaoke Version)
Easy Instrumental Hits, Vol. 49 (Karaoke Tracks)
Easy Instrumental Hits, Vol. 48 (Karaoke Version)
Easy Instrumental Hits, Vol. 47 (Karaoke Tracks)
Easy Instrumental Hits, Vol. 46 (Karaoke Tracks)
Easy Instrumental Hits, Vol. 45 (Karaoke Tracks)
Easy Instrumental Hits, Vol. 44 (Karaoke Version)
Easy Instrumental Hits, Vol. 43 (Karaoke Version)
Easy Instrumental Hits, Vol. 42 (Karaoke Version)
Easy Instrumental Hits, Vol. 41 (Karaoke Version)
Easy Instrumental Hits, Vol. 40 (Karaoke Version)
Easy Instrumental Hits, Vol. 4 (Karaoke Version)
Easy Instrumental Hits, Vol. 39 (Karaoke Version)
Easy Instrumental Hits, Vol. 38 (Karaoke Version)
Easy Instrumental Hits, Vol. 37 (Karaoke Version)
Elvis intro + CC Rider (live) (Instrumental Track With Background Vocals)[Karaoke in the style of Elvis Presley]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74b34c7c4852c97ff2930b285927acdb0c32ac03b9909ad05c0bd92ea4fe2942. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T15:36:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKKS0700718 — a six-check JSON result.
Easy Instrumental Hits, Vol. 36 (Karaoke Version)
Easy Instrumental Hits, Vol. 36 (Karaoke Tracks)
Easy Instrumental Hits, Vol. 35 (Karaoke Version)
Easy Instrumental Hits, Vol. 35 (Karaoke Tracks)
Easy Instrumental Hits, Vol. 34 (Karaoke Version)
Easy Instrumental Hits, Vol. 33 (Karaoke Version)
Easy Instrumental Hits, Vol. 32 (Karaoke Version)
Easy Instrumental Hits, Vol. 3 (Karaoke Version)
Easy Instrumental Hits, Vol. 29 (Karaoke Version)
Easy Instrumental Hits, Vol. 28 (Karaoke Version)
Easy Instrumental Hits, Vol. 27 (Karaoke Version)
Easy Instrumental Hits, Vol. 23 (Karaoke Version)
Easy Instrumental Hits, Vol. 22 (Karaoke Tracks)
Easy Instrumental Hits, Vol. 21 (Karaoke Version)
Easy Instrumental Hits, Vol. 20 (Karaoke Version)
Easy Instrumental Hits, Vol. 2 (Karaoke Version)
Easy Instrumental Hits, Vol. 2 (Karaoke Tracks)
Easy Instrumental Hits, Vol. 18 (Karaoke Version)
Easy Instrumental Hits, Vol. 17 (Karaoke Version)
Easy Instrumental Hits, Vol. 15 (Karaoke Version)
Easy Instrumental Hits, Vol. 14 (Karaoke Version)
Easy Instrumental Hits, Vol. 138 (Karaoke Version)
Easy Instrumental Hits, Vol. 137 (Karaoke Version)
Easy Instrumental Hits, Vol. 135 (Karaoke Version)
Easy Instrumental Hits, Vol. 134 (Karaoke Version)
Easy Instrumental Hits, Vol. 132 (Karaoke Version)
Easy Instrumental Hits, Vol. 131 (Karaoke Version)
Easy Instrumental Hits, Vol. 130 (Karaoke Version)
Easy Instrumental Hits, Vol. 129 (Karaoke Version)
Easy Instrumental Hits, Vol. 128 (Karaoke Version)
Easy Instrumental Hits, Vol. 127 (Karaoke Version)
Easy Instrumental Hits, Vol. 125 (Karaoke Version)
Easy Instrumental Hits, Vol. 124 (Karaoke Version)
Hurt So Good (Instrumental Track With Background Vocals)[Karaoke in the style of John Mellencamp]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x077a286800453d03bd8e01ec7d11915effd3676cf0d15113e66501e1e5cc7c8b. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T20:38:50Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKKS0701108 — a six-check JSON result.
Easy Instrumental Hits, Vol. 121 (Karaoke Version)
Easy Instrumental Hits, Vol. 120 (Karaoke Version)
Easy Instrumental Hits, Vol. 119 (Karaoke Version)
Easy Instrumental Hits, Vol. 118 (Karaoke Version)
Easy Instrumental Hits, Vol. 117 (Karaoke Version)
Easy Instrumental Hits, Vol. 116 (Karaoke Version)
Easy Instrumental Hits, Vol. 115 (Karaoke Version)
Easy Instrumental Hits, Vol. 114 (Karaoke Version)
Somewhere Only We Know (Instrumental Track Without Background Vocals)[Karaoke in the style of Keane]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b3974ffbfc7889ac896e86c7978944f23e720a63dbc498bd4692bb8ab4249eb. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T02:01:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKKS0702333 — a six-check JSON result.
Easy Instrumental Hits, Vol. 113 (Karaoke Version)
Easy Instrumental Hits, Vol. 112 (Karaoke Version)
Easy Instrumental Hits, Vol. 111 (Karaoke Version)
Easy Instrumental Hits, Vol. 110 (Karaoke Version)
Easy Instrumental Hits, Vol. 11 (Karaoke Tracks)
Easy Instrumental Hits, Vol. 109 (Karaoke Version)
Easy Instrumental Hits, Vol. 105 (Karaoke Version)
Easy Instrumental Hits, Vol. 104 (Karaoke Version)
Easy Instrumental Hits, Vol. 103 (Karaoke Version)
Easy Instrumental Hits, Vol. 102 (Karaoke Version)
Easy Instrumental Hits, Vol. 100 (Karaoke Version)
Easy Instrumental Hits, Vol. 10 (Karaoke Tracks)
Easy Hits of the 70's and 80's, Vol. 5 (Karaoke Version)
Sing Instrumental Hits Vol. 69 (Karaoke Tracks)
Sing Hits of 2008, Vol. 6 (Karaoke Version)
Sing Hits of 2008, Vol. 4 (Karaoke Version)
Sing Hits of 2008, Vol. 3 (Karaoke Version)
Sing Hits of 2008, Vol. 1 (Karaoke Tracks)
Sing Hits of 2008 Vol. 5 (Karaoke Tracks)
Easy Instrumental Hits, Vol. 90 (Karaoke Version)
Easy Instrumental Hits, Vol. 84 (Karaoke Version)
Easy Instrumental Hits, Vol. 82 (Karaoke Version)
Easy Instrumental Hits, Vol. 74 (Karaoke Version)
Easy Instrumental Hits, Vol. 71 (Karaoke Version)
Easy Instrumental Hits, Vol. 52 (Karaoke Version) - EP
Easy Instrumental Hits, Vol. 51 (Karaoke Version) - EP
Easy Instrumental Hits, Vol. 50 (Karaoke Tracks)
Easy Instrumental Hits, Vol. 16 (Karaoke Version) - EP
Easy Instrumental Hits, Vol. 12 (Karaoke Version) - EP
Easy Instrumental Hits Vol. 7 (Karaoke Version) - EP
Easy Instrumental Hits Vol. 26 (Karaoke Version)
Easy Instrumental Hits Vol. 25 (Karaoke Version)
Easy Instrumental Hits Vol. 24 (Karaoke Version)
Easy Instrumental Hits Vol. 21 (Karaoke Version)
Easy Instrumental Hits Vol. 20 (Karaoke Version)
Easy Instrumental Hits Vol. 19 (Karaoke Version)
Easy Christmas Instrumental Hits (Karaoke Version) - EP
Sing Instrumental Hits Vol. 68 (Karaoke Tracks)
Sing Instrumental Hits Vol. 67 (Karaoke Tracks)
Sing Instrumental Hits Vol. 66 (Karaoke Tracks)
Sing Instrumental Hits Vol. 159 (Karaoke Tracks)
Sing Instrumental Hits Vol. 143 (Karaoke Tracks)
Easy Karaoke Instrumental Hits Vol. 38 (Karaoke Version)
Easy Karaoke - Instrumental Hits Vol. 126 (Karaoke Tracks)
Easy Instrumental Hits Vol. 9 (Karaoke Version)
Easy Instrumental Hits Vol. 8 (Karaoke Version)
Easy Instrumental Hits Vol. 78 (Karaoke Version)
Easy Instrumental Hits Vol. 72 (Karaoke Version)
Easy Instrumental Hits Vol. 65 (Karaoke Version)
Easy Instrumental Hits Vol. 64 (Karaoke Version)
Easy Instrumental Hits Vol. 63 (Karaoke Version)
Easy Instrumental Hits Vol. 59 (Karaoke Version)
Easy Instrumental Hits Vol. 57 (Karaoke Version)
Easy Instrumental Hits, Vol. 89 (Karaoke)
Sing Instrumental Hits, Vol.91 (Karaoke)