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 0xe3208661a8641abd9ec2d0d20e8891a64fd41ecd8aae10347a1a0418f03fcb9b. 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/66b78be5-4ae6-416c-b487-098e6716d665.json and https://artists.proofprofile.net/proofs/artist/66b78be5-4ae6-416c-b487-098e6716d665.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 0x32c3ce896e7f3c81f0a44f06f6c78e872ae86948a680b1ef04dcf47c25380e26. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/BXKG22401889.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44b7ed3a857029e5b05a5006f57ce2c98308566f8e56cd88781e3e848b88a15d. Chain 2 (Bitcoin): anchored in block 960340 (2026-07-31T03:15:04Z), 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/BX4IU2361244.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25a4648c25a280fbb698ef7f93d3eed7acecb69c78f816d4d0072085077f3f9b. 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/QZPJ32207123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x194957ffaf7152ba3d8c73f94a56d34c5b284d51252b72429f8b243b2ba4af15. 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/QZPJ32204293.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x798f85b949ad2540ac8ab63b19efe08c1a430286d2a9943083eb3d7ca4e8bc9b. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/QZW9K2350438.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbde3cdd86bf8c8ad592717c9f6edb4cddcad68fa0e4c05607b5e1e98092b5f6. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SGB502259209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ac7fa1a9e3a67c4d78605c8a3768b3a22697d52ce222cec653412b120f72591. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRWMB2300866.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb78e7e98c1d2e68fda2775bfc06affd613e578f002de5e20524cbd6ffaf7cd41. 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/BXKG22300669.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dc8752db75ce6ce21df1b9e7b5e4a52594b4545b280e61ab99a362a54612dc1. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/BCSPP2300009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b3b2a552682399db83196de771e5c771e41659e564caee04bf2309799788dd7. 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/BCSPP2300047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b8cb3fc1a8409dcfbdac8e3610be247974507b6c92b35007c4c26f059126ef2. 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/BCSPP2300008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcce50ea1d297fc26fb2ffc179a5bf2fd04c31a94ecd30e87476f613203f5e30. Chain 2 (Bitcoin): anchored in block 960163 (2026-07-29T23:20:38Z), 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/BCSPP2200829.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x992fe19600d894e3bc5d7db55863bacf1a0cd757ac9ee542d8d355511b785b8a. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/BCSPP2200569.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b2c70c9bab5878189fd516847beec1be9d8b44c0959fd43cc5766c8c3c9e8ed. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BC4UH2200059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c075e16230befce0879b56290ee035701251e4f368b29976c288fe27dbf1fde. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/BRWMB2200927.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6190a65bd4e8aaf0a9b75a9763804c02f3f5a44814ac883ba7b2965c4288a7c9. 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/QZEQU2211982.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5aeb3b0fb5408c021c1584ccbe2cb8c0b24af8dbbc39b825a7f8ebb8e89e411c. 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/BRWMB2200159.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea9df7ecdc42b422acd587b768d672442d729dd7835f55b072c3efbd4e1037fd. 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/BRWMB2200253.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07760ec42fe899645bea8b092b2ef5eda80ebd37531131097af562e3df2341f5. 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/BRWMB2101204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d91505d79ad963d1b1d0195fdd510c5e952d44d3b051745b9d28c786d56508a. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/US3DF2216810.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedcf88e27bb97d66f51cfd245dd63c7ce5f5f7d786e31d821b1a919ace57369a. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/BCSPP2200019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd029c1accc8ac7ef7dc46f253abf7898cfbef0bdf2318421d4e45c78fc029e0f. 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/QZTPX2124337.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53cefb888710116fd915bd7e927b791915d1075ce50afe788f4ccf42f084e9e0. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/BRWMB2101202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ba41d0a39578af4927422abc2472b0a908e5f43512d2bb67b37c8f47bed7f41. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM3DF2182327.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94e11d9c204a156db8bcdda82e634ff605956c869998081c4856e1626cb49ca6. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/QM3DF2182326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82a210c4e2fb7907d59d30e59017fc805dcec1fff925b46820a1c47a4333ee76. Chain 2 (Bitcoin): anchored in block 960463 (2026-07-31T20:42:35Z), 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/QM3DF2179633.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4a0ad5df4bb5cbbf229347469bda18e1b1201870b0ea76555376748efc60c43. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/BRWMB2100960.
É os Cassadores de Bct Que Vai Te Arrastar pra Treta
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaaf489b13ea3882b803d339f3c02164278750a332e6126fa3e543dcfc716c96. 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/ESA112447476.
Tu Sente Falta De Mim / Assiste Aí De Camarote Os Seus Amigos Me Fudendo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3d998cee2a25f6b3a8a8ae1578815f3c72f7cc3d87b354b32f59c4bcaac2ac8. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/QM3DF2258056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b0034f508d6afe23fd498cbaa4c233a9374bfdc83cdd9804253dc5c03cb7870. Chain 2 (Bitcoin): anchored in block 960404 (2026-07-31T13:06:57Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BK2242401067.