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 0x5ac7547c02b3d0686f1410aa5d069a410cc31ab4ed0e7382f0018d9cbdbbf5e1. 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/feb90b41-5678-490a-88bb-922d11436d42.json and https://artists.proofprofile.net/proofs/artist/feb90b41-5678-490a-88bb-922d11436d42.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x6178000ffbc12295eb0a9caa3cca7e511ccf9e33a7fd415b8634bea9330c12dd. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/PT1FP1800049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafc0419eaeb2b0277594c2ad66c8cf40fd45b9cb885b7aa2e7698b3bff159b9b. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/PT1FP1800050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafd021a478bc546460e7e303d02a7583cb93907f3cbd9bd6dbcb5d88e9ba71aa. Chain 2 (Bitcoin): anchored in block 957868 (2026-07-13T14:56:55Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PT1FP1700005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x151400e005477c9f89c7adfeb4f9cd9db3bbc9633317dc7ffada5537c6089354. Chain 2 (Bitcoin): anchored in block 957866 (2026-07-13T14:54:25Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PT1FP1700011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9e2fd84611ad9492d4d251c8e65948237d7d73ccb99084061bb99996f79515c. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-16T22:37:47Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTVI10900070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1735eda98e2be6fbd0c88d9738f28bb1a4e0460a4ee69dde4166118801e9ab4. Chain 2 (Bitcoin): anchored in block 958121 (2026-07-15T08:02:12Z), 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/PTLJ10900057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbccf535514a8979e0ccc7fd23f8e42345a50a5d1c7667421623a68b0c23fa0b. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/PT1FP1700020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x740dca573eb66a1b561521a9cc0b54f71f5e3c13f66fc029601752432c9ec964. Chain 2 (Bitcoin): anchored in block 958498 (2026-07-18T04:54:58Z), 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/PT1FP1700023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66b3b29b9be684071e56706c1780e1df9d34fb2e3cc1bac06b7bf8ebb8028cff. Chain 2 (Bitcoin): anchored in block 958552 (2026-07-18T13:15:29Z), 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/PT1FP1700034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x550caec85c4d6d924878bd6c05894c924e3a43d3f10fb5a1b392f76afb03b54e. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/PT1FP1700044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf953708ab71e9cec76fbc3fc8a094f27c8dc68033368ff8456730b29e5dbef3. Chain 2 (Bitcoin): anchored in block 958617 (2026-07-18T22:07:13Z), 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/PTLJ10900287.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf90c5bc511b35d018bb5993da9d575ebeaff7f1fc70992821b377d2a5c4f707d. Chain 2 (Bitcoin): anchored in block 958913 (2026-07-20T16:58:47Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTLJ10900289.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3af693830913ac67277b7897b6235de924f6477d18201afe11fda655aebb571e. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTLJ11500021.
Hurricane (feat. David Anthony & Taylor Jones)
Hurricane (Acoustic Version) [feat. David Anthony & Rita Guerra]
Dança do Campeão (feat. Rui Unas & Luciana Abreu)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9a52c3358921964250b183558ca45259cfc09c5b35d9369033eded997f5b2b3. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTLJ10900080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc61aa81539e14b0c96591a4a8cc7c7c120fae554f4692ba6d359a252c5116667. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/PTLJ10900056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28f833c68bed490c983f116b6da1e96620487cbb1919bd1c6f141a568cdfe200. Chain 2 (Bitcoin): anchored in block 958613 (2026-07-18T21:35:09Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTLJ11700004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6166033d066eb08491ccab5be4ddd3cd708f31242e976e9bd9ada20c99a0943. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/PTLJ10900292.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd4794514b2a32c3cd850ee4a7b04b429f6f9689acd1e30e8308cae66f4c47b2. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTLJ10900072.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f0456853ac7f0338fd4681b6c09a17063d0601b575098a554e44b815e54c21e. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/PTLJ10900001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x384fd0d75b62fc6ec2c2acd4b318fe4bb61b7cf83b100e975946a645a9a630b6. Chain 2 (Bitcoin): anchored in block 958263 (2026-07-16T08:19:47Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTLJ10900366.
Naked in the Streets Remixes (feat. Francci)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c99ecdfdc70df3b6a497b9a87bfe71813f644e3fefc2e631ffbc561a588f58d. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/USUYG1093590.
Dança do Bumbum (Mastiksoul vs. Afro-Bros)
Good For You (feat. Shaggy & Danny Shah) [Sleepwalkers Remix]
Original Flavour, Pt. 4 (Feat. The Groove)
Mastikbeats, Vol. 1 (The Touch The Feeling The Original Sound Of Mastiksoul)
MastikBeats, Vol. 1 (The Touch The Feeling The Original Sound of Mastiksoul)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9d8bbc5a087fd7574338e40d913840e24c7804b7e61401a0d8eda4ca4875ca8. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTLJ12200002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbedee578fe652ad249f75cbac027ecf312ef707af2075fb3decc03dbdad2e540. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PT1FP2200105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x624509eabc2caf90548f54a068e00f2a13073c3ee9b023c4b4c56550c25fee96. Chain 2 (Bitcoin): anchored in block 958834 (2026-07-20T05:55:47Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PT1FP2200106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d8d4f0767ea6df676d3a7a8af7f7df6a17c352fb4b5313f8e20b1a8e078ca64. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/PT1FP2200112.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bdd25c1f4e82985327d91364d7cd201d4472d1e4234416bcb2261446e499b15. Chain 2 (Bitcoin): anchored in block 958169 (2026-07-15T16:16:18Z), 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/PT1FP2200110.
Escudo da Nação (Música de Apoio a Seleção)
Escudo Da Nação (Música De Apoio a Seleção)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd551566cbf90d7198249075ff8a3ee200e52e928002f049f6b05ff4e50db5688. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/PTLJ12200006.
Vamos União (Música Oficial União de Leiria)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa092f1e6e0b30bcf2da9b71d6fec48ce6d3816ec5e9e7df30d22d777a9c8cdb. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/PTLJ12400003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87aca430d5232e645c3b57ccb44abc117c77c426ae3b1f4c1eefef62c161ebc3. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/PTLJ12500001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2947ed7cedcf32d90323d230e6666b7a2155d749246771f0460d621037bc7f84. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTLJ12500004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26919c9390b78441e454c90129c6a9bf8a5ebafadbdf508619e5ff87b081c23f. Chain 2 (Bitcoin): anchored in block 958996 (2026-07-21T10:57:35Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTLJ12500007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1337292939eaa70c58ec8ee081933addc48560cf68f2f9e19ebaf9a3d03800f1. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/PTLJ12500016.
Sunnery James & Ryan Marciano Present Shameless
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc788f9be44194a4a83d886846cd2145f6f7afa12254d678d2c15ad41ef6c44c9. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/NLF711904081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32bed164936c487889c7f0dcecb3d08cabeb006f7eb6abf3f9f37b79d49afb38. 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/NLF711902947.
I Got My Eye On You - Mastiksoul Funky Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c5a07c08ce846b9a4d04901695fafe309463c2e339ffdee3393669591fcafd4. 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/ITL011000157.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf308e59bcda856fe78699b1dd39d5e153f877ecef5fc475402658b6f62fb8c62. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/PTEN10900050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30e86ea7750d77eacf33d6ac7d8031cab0311007bbf1bd02cad61a450cc6d879. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTVI10900046.