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 0xa841ab8b9b70ad3fad7a9be3c76fa7730e0fba691f56ff2f6e4b0a8804935da9. 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/00935233-9b46-46de-9225-6bb3b6010470.json and https://artists.proofprofile.net/proofs/artist/00935233-9b46-46de-9225-6bb3b6010470.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 0x2015eef232e7012eb05246e2a2d6e77a1762a71e11a8b284ac5f2a37c2eb0458. Chain 2 (Bitcoin): anchored in block 958885 (2026-07-20T13:01:04Z), 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/IT1M91500014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa74482ec437112b869184f8c0161354a7ae1276db372ee02056c8eb4c0048e5d. Chain 2 (Bitcoin): anchored in block 959023 (2026-07-21T15:22:58Z), 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/IT1M91600003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2b2afbea9e834005e554f0658d92c1d05be029c09ba36dfe4d32ea0d8e8c29e. 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/IT1M91600004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x539db45d7a54f83de7f83f2693ecefb4d3c4e515ec49007acb98bdd15c51419f. Chain 2 (Bitcoin): anchored in block 958903 (2026-07-20T15:22:45Z), 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/IT1M91600009.
Got to Stand Up (Lorenzo Perrotta Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1aeeddcd43b787b751f53ceff71dfb11a63477d400f728deab8677ad7f594ca. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IT1M91700004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x581c082bef2d0f301d688b29758a22a501caa3a3d2f091b4088a8d078a699bf9. Chain 2 (Bitcoin): anchored in block 959024 (2026-07-21T15:31:18Z), 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/IT1M91700012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f5898904ded45d17a010fc28c95f78d8fb0d0daf95c0ecd8e9fca215aa9b52d. Chain 2 (Bitcoin): anchored in block 959084 (2026-07-22T00:50:00Z), 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/IT1M91800001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1de46a88c8f64a76e2137907cebe8dbd48894ea422fe33bfc7f048ce45d9adf9. 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/IT1M91800004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d43265d93b8f4ad4fcd6242ad332c579890f92239837d29f712e12fbf928aae. Chain 2 (Bitcoin): anchored in block 959047 (2026-07-21T19:17:28Z), 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/IT1M91900001.
I Don't Even Care (Lorenzo Perrotta Remixes)
I Don't Even Care (feat. Chiara) [MACCIO Remixes]
I Don't Even Care (feat. Chiara) [Remixes]
I Don't Even Care (feat. Chiara) - DASCO Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9eed66063f3c8a2cffc97798eaa55c9fe14b07e6d7a9d6d593bfef99655bc11. 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/IT1M91900012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5b698bbe5d7e4c046f3621ed71a184efc2e0ba27b9655a6d5097d9204e7419c. 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/IT1M91900010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5b698bbe5d7e4c046f3621ed71a184efc2e0ba27b9655a6d5097d9204e7419c. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IT1M91900010.
I Don't Even Care (The American Remixes)
Chasing After You (Maccio & H4z3r Remix)
Chasing After You - Maccio & H4z3r Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x239841975d4a066efce6334fdc0531146d0c84fb24daa85863ece667b085739f. 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/IT1M91900017.
Filippin Feat Jodie Fitzgibbon - Chasing After You Remixes
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfc790012a858e33a233d9c4fb1bd3eb850c38d9126109aa6705bfd8083f8cc1. Chain 2 (Bitcoin): anchored in block 958531 (2026-07-18T09:39:18Z), 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/IT1M92000002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5162ba132330253a7b3018be4635eae0774bf44a0ab9b0ea5262511e54243bc. Chain 2 (Bitcoin): anchored in block 959023 (2026-07-21T15:22:58Z), 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/IT1M92000005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafd1545a5579756bd0963a38601da498dc9b69125e73a9fd06226a2308dc0887. Chain 2 (Bitcoin): anchored in block 958465 (2026-07-18T00:04:42Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IT1M92000010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08364bc22f25a6ac59e03b2200668bfd2e8470025005dac59a6805abbc4c1b0e. Chain 2 (Bitcoin): anchored in block 958363 (2026-07-17T04:34:46Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IT1M92100003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a8ab9d712e87b432ec747f98a55a1c79a843e9c3ea6787a90b48b11bcd5641f. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/IT1M92100037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbdaf356102762e3729265b6618ee36261a80b0205f336dda8c75399e1a49a84. 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/IT1M92200103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x339f07ccaa31e87ad79419b5a0aa8ddb39c4f282c242dd245e6846ee0bada0dc. 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/IT1M92200105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c1c5322d52bd0b4a9e4c0901d966ead9f477e45c6211dc1ca14afaa8d6ac175. 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/IT1M92200104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4da9c24d66f8dcd8997b8bc9b12e87b38f599a4848c2ff0514eb3d1cb8f65df. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T03:03:40Z), 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/IT1M92200106.