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 0x7a07e003bfdaa924ab4ba8e85e092e8920dd993155e6fa049585916c806f52bd. Chain 2 (Bitcoin): anchored in block 953777 (2026-06-15T11:52:51Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d2cc9fd2-5df9-4598-a2a1-ae1757ccdc22.json and https://artists.proofprofile.net/proofs/artist/d2cc9fd2-5df9-4598-a2a1-ae1757ccdc22.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
UNO DOS TRES CUATRO (Papi Dale Duro) [Radio Edit]
UNO DOS TRES CUATRO (Papi Dale Duro) [Extended]
Compilation Summer Dance Commercial House Songs Top Hits New Best Music 2013 / 2014 (Radio Cut 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 0x1cf18e3918f1cc977130205b972ebb88f5203e3caeb6e30599584bda983bef63. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITBD61300974.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55d9a35e9f34938fd0e944b68641a4641e7110cb2bbcf5fcfbc5b9df2403fb0b. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITBD61300975.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70eff0d02a960178186c793cda41ffb08acab55453221c8ca4a7daf26165778b. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/ITBD61300960.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8af8fa5c4e92c1e9e3fce6549d35ab49fed1fe4a4ba3f83dae80cb71ae38e5c2. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/ITBD61300979.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x008232d5b59570c55378687d29d11a67a4d5f9d280f41a068b0d9d9fd996bf88. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITBD61300984.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbec947e4870f72b76aaa3d9dd2ac50aeabd3c11b032e4082d39b0e26f82c735c. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), 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/ITBD61300994.
Summer 2015 Dance Commercial House Songs Top Hits New Best Music (Radio Edit Mix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8af8fa5c4e92c1e9e3fce6549d35ab49fed1fe4a4ba3f83dae80cb71ae38e5c2. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITBD61300979.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbec947e4870f72b76aaa3d9dd2ac50aeabd3c11b032e4082d39b0e26f82c735c. Chain 2 (Bitcoin): anchored in block 960268 (2026-07-30T14:53:07Z), 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/ITBD61300994.
Compilation Summer Dance Commercial House 2016 - 2017 (Songs Top Hits New Best Music) [Radio Cut Mix]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06fdc4a3f3496cf438eda34fe238b32f101ff373963a3dd436381e6396712bdb. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/ITBD61600667.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8af8fa5c4e92c1e9e3fce6549d35ab49fed1fe4a4ba3f83dae80cb71ae38e5c2. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/ITBD61300979.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbec947e4870f72b76aaa3d9dd2ac50aeabd3c11b032e4082d39b0e26f82c735c. Chain 2 (Bitcoin): anchored in block 960311 (2026-07-30T20:45:02Z), 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/ITBD61300994.
Summer 2016 - 2017 Greatest Hits Commercial Dance House Music, Vol. 4 (New Top Best Songs Radio Edit Mix)