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 0x9b48d0f899852d93fe1873acb0cdbba1eef86de6e107daf237299f884f87d772. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/61a1c1e9-642d-440e-8229-4d101d1fbd9a.json and https://artists.proofprofile.net/proofs/artist/61a1c1e9-642d-440e-8229-4d101d1fbd9a.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
Play With the Voice (feat. Csilla) [Remix]
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 0x832542927a8ad0f1b3ccc09a81d46a4b274812293a3ae1f7126efdbc953f7f01. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/ITA169400002 — a six-check JSON result.
Sweetest Day Of May, Pt. 2 (feat. Harambee) [Remix '99]
Sweetest Day Of May (feat. Harambee) [Remix '99]
Do You Feel What I'm Feeling (feat. Vlynn) [The Remixes]
Do You Feel What I'm Feeling (feat. Vlynn)
Stand Up (feat. Helen Bruner, Terry Jones)
Get It On (feat. Rochelle Fleming) [Summer Love Remix]
Get It On (feat. Rochelle Fleming) [Summer Love]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe665366d845778d457db6e3875952f842ad3ca447ec2bb768301519ec34dcdcf. Chain 2 (Bitcoin): anchored in block 958897 (2026-07-20T14:57:46Z), 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/ITA160501026 — a six-check JSON result.
Sweetest Day of May (feat. Harambee) [Remix 2007]
Sweetest Day of May (feat. Harambee) [Remix 2007 Part 2]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73f70e483a9aae9562fe2800b84d77f1ca4512569a46490af4a8d568b5e62458. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T02:05:55Z), 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/ITA161000059 — a six-check JSON result.
Get It On (feat. Rochelle Fleming) [Summer Love 2011]
Sweetest Day of May (feat. Janice Robinson) [20th Edition]
Dance Shout Turn Around (feat. Helen & Terry)
Play With The Voice In Germany - Paul van Dyk Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x627d789ee7c5cbfcb8562d462f9a2a99cd6289e42b88499360213c6096d54438. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/NLF711803068 — a six-check JSON result.
Play With The Voice In Germany - Paul van Dyk Extended Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbda12cb1941a6221bc96b1d9326657d76e318545b54ee973065fc40a26b172c1. Chain 2 (Bitcoin): anchored in block 956711 (2026-07-04T22:48:52Z), 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/NLF711803069 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98e226404efd9db5d84d5f917ac271b28837ee8c87afc02c9e1ac1b7b6eee990. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T07:01:21Z), 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/NLF711803059 — a six-check JSON result.
Sweetest Day Of May - Greed's Euphorik Club Mix Remastered 2k18
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd9c8237550beac924032174c5ac0ba7453499d8b9d16acf491a1f4146c5fcb2. Chain 2 (Bitcoin): anchored in block 958407 (2026-07-17T12:08:48Z), 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/ITJ871800268 — a six-check JSON result.
Sweetest Day Of May (Full Intention Remix Edit)
Sweetest Day of May - Full Intention Remix Edit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67bb874ad2a82c0ca1b030e04bbf5bb47b50f09bf27c225dafa0d768189664fe. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/UKGTD1900029 — a six-check JSON result.
Play With The Voice (John Digweed & Nick Muir Twisted Vocal Mix)
Play With The Voice - John Digweed & Nick Muir Twisted Vocal Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f8f31ab44e2963c683e72f6ea3c12ec4702a55e6a626c514b304279972fed02. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/NLF712106476 — a six-check JSON result.
I Gotta Love In The Music - Original Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x555eb4e977699d3a81b0984102f1907109407457cba8363ffb566724572b6957. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T12:33:25Z), 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/ITMKN2200043 — a six-check JSON result.
Music Sounds Better with You - Radio Edit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad20ad0cac4d07bf256d4848bf66fd661d33f4d858c9185d6aeba935fc59c769. Chain 2 (Bitcoin): anchored in block 958897 (2026-07-20T14:57:46Z), 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/ITMKN2300019 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe26891881d43588dad6f7aa87fee3d84271f53c8ce6ea54d949e9436b8fdd353. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/ITMKN2200028 — a six-check JSON result.
A Night In Budapest (Jtv Vocal Mix) [Feat. Csilla]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28f2cf9fc1e0de2792a61f1213c991d3a680fcd61a6f44f9f524c43c7abb6e23. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/ITA160801201 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a49237b22e5c809ed0593d96b63c003525f6e23fa790d7ec3c9ed7f135cde9e. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/ITA160801162 — a six-check JSON result.
Can't Wait For Saturday - Joe T Vannelli Vocal Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11e978bb02483ac5fa10ccb237ee54ecd8c10cbe659712de40334548ae0d9bbc. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/ITMKN1900011 — a six-check JSON result.