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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2132cbde0871766020f821473534add180167727accb65160010701a537ecbe8. 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/d0c65062-3e79-4077-b97b-dd1c58fb102a.json and https://artists.proofprofile.net/proofs/artist/d0c65062-3e79-4077-b97b-dd1c58fb102a.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc08d6ee5b89b5d69ee940bb6ef308faa1360afeedd62ca6bcfc013204df806f4. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZNJX2363986.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0d8fb6a3dbe173506a4fd2746ecaac04245d85527871f1047eb9d9b727dd424. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZGLM2332931.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b09f365bbca8a6a4ba8f083875bb64473b3e5a7db0d4f43ae3273bd7f1dd949. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZW9M2257653.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2cd752e4ab9c16aded9cd4d52d6aa86c2f263061e075561cf795f23e85b0d26. 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/QZW9M2257655.
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 0x1d896292b68e0a8c0f6a5e89a56e17a1d1243f4d2e57dd86a210fd6e14dcf639. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZNJY2107868.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5aeee9b29263dabd65ff3d7becc95e81d2f97970ef17dabdb2a7760141649f67. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZNJY2107870.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c8f92a9ce7beb2e33eae238435fe8edecf11da431cefd380069e55bc3f133d7. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZNJY2107871.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf659b8a50d7875ae894f63561b072b8a0243ed93188d2640c49f9977b679fa09. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/QZNJY2107866.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35a07df860863fa8a3ba61379c6973872317cdf86647cab326346e0e15ea5363. 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/US7VG1935284.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x815e7e723e972ca16132bf0c4f4953f355f464e89bb18aefa403ac7c6985cb9d. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/US7VG1935289.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f879ff5dbbdd80abd3a76db2bc9a07d840cec9bd2ddb5ff4b1b7815055f8153. 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/US7VG1935285.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22f6558efae66f265e613c88e6bbf2d4e808dc9d69fbabcc632c22c66d15dfb4. Chain 2 (Bitcoin): anchored in block 960288 (2026-07-30T17:41:38Z), 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/US7VG1935286.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdddcfb6a8ca2eb72cbc91906694205a322bdc16d9277482ffa2cdb7f69fa0d62. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/US7VG1935287.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x962ba6ec78f04022e2c6d568a955dffcb7968703a3e1a102fb1046be10b27719. 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/US7VG1935288.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28854f795b37d1b9582d6888f3478d85b0e343a5e877518978a721d46f8c606b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/QZN882511749.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16a628bbb185775bce0d479bc144aef6ae69a7342a9355333ad3114d4eaf66da. 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/BK7TR2500001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fc670173ff78983f95a5961d29b4c8b93f8bec30c6144415e47d52ebe7f3090. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZGLM2410719.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6662ec6cc43d84ecc43246f6406ba2dc64ef5a47323dc591658bb4fe5ea59eb7. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZGLM2410720.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50de90a2bd08d10f9bd43ad41321493b1c642c75a2856329b9d2a069c8bda484. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/QZGLM2410718.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdab6c409dd7cbdb226ee6574b49cbc23b5718e86dd9b993c35e7401947bceefd. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/QZGLM2410721.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a16233a29db4cecb2e9f4a1f6f74c7b85187e06e3260d528668ae6276508ca6. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QZ5FN2314044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4a8289e89b34cadbd2d1b4799f40d3d30eaffc008688dd26504a0982ddb81ba. 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/BR9Z22200170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60ee0aeab314130fac049b27993a96bb5e916570419d66e76b3f90b96f1cd415. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/BR9Z22200140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d83d57f480c40f6d08d7d95437f3e3b75ff80e8e8e887282e359c3cbe41c92e. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/BR9Z22200011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0de613266f5574dc4fca6d25844c2a47ff8b80c1b55f3d501f98c9af22bad213. 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/QZK6P2188808.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1d8645a3db8412cc3e4d34645feb3bdf7f95ed183ad09ec61649fe444be6d12. 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/BCGJU2100007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37d166bb64f081cc33267d8fc45f6709c0cf4e0a7c5bdfc7804ab4ae84547259. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZNJY2035489.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07fc578aa188f3f3e21650147f1077f80a67e9229db0086fb60369d706cc2393. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZNJX2094129.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e9df1ef10f0ec6135fb40bf4ee63474a30c2a7277213968df026a846de88b93. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-21T09:00:58Z), 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/QZNJX2041899.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15d59af2b902394d9bb50d55cdd67e1ec64163dbde213774afad257440162cdf. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/QZNJX2021704.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x128b1f8299a9ba49ce83252db5b5f544986ee8668b5b5769ae709a63db642bac. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZNJW2099801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe22745812997a9aa35203cd89d1f228f566a6e40032a69b06461677175990ee5. 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/GBWUL2400336.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02de8c99f37d3fde41730162db9cf9192e3c771094e23a67d877d50ac3ef0a29. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZHZ52146934.
Original MTK #1 - Exceção (feat. Lucas Muto, Crod, Lipe, Tasdan, Lobo & Agatha)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c49199dd0cc8c21a159ce9d3a5cfc7250bf24e401289b9a6960486511de6a14. 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/BX3U81900014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaafe7a209223135ccf59a9148c9ce611161d39f12126a534e576de5cb40fdd06. 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/BX3U81900002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb01836cf245a1b13b6fd10ac8363272aaf17354a4fc409e6d917b8797e15d0d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/QZWDE2434810.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06a65ca66a060be59499affad2764ece73373a3e9f147e5cfe7a56b82fee2525. 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/QZWDD2467021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa54f7af616330b54bb086c3342208522199e58e5ddabcfaff831638584e451d5. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/QZNJZ2398020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f6de17bb6c1078a2c5e1cc366c649581b73fdedff50bf31be800049748023ab. 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/GBWUL2400308.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb59e1dca2c32dc0503fe6f91ef59db1411e6ff20153e624d90fbcdc2077c0b0d. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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/GBWUL2400321.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb50e381226d75b55c9af38f268bf0020a645547ef2c11c2c45737a436a69922e. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/BR9Z22200193.