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 0x452f8b46d6a770b260368f2b78f7dbcb3d7c856e0465586c7473f89ec2bc5cd2. 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/81893b37-f69e-4a1b-9391-655b8358e3bf.json and https://artists.proofprofile.net/proofs/artist/81893b37-f69e-4a1b-9391-655b8358e3bf.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 0x82c15d9467f8ee0e171729feacab62b9655d76bde2cd34de1d1b8d6a9d17c62d. 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/QZEQU2122239.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd9d9febdf50a619e09f4869c0e0263174cc05b280b553b68d1c863c38d4b7fa. Chain 2 (Bitcoin): anchored in block 958111 (2026-07-15T06:58:20Z), 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/QZEQU2122240.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0892e8b483f6d0d8965a8daf19eb2ccddb022939cb1407aff8663907578fd1be. 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/QZEQU2122243.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed57817eca2db1e7cbac90c61ba826bcff159a64233e9dd38be69508636c0966. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), 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/QZEQU2122246.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82c15d9467f8ee0e171729feacab62b9655d76bde2cd34de1d1b8d6a9d17c62d. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/QZEQU2122239.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd9d9febdf50a619e09f4869c0e0263174cc05b280b553b68d1c863c38d4b7fa. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/QZEQU2122240.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf07e3ad867c29b83782cf6f650e16a408f21234afceca2e4f4ea6388e7f5ff22. Chain 2 (Bitcoin): anchored in block 957754 (2026-07-12T21:26:22Z), 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/QZEQU2122245.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed57817eca2db1e7cbac90c61ba826bcff159a64233e9dd38be69508636c0966. Chain 2 (Bitcoin): anchored in block 958568 (2026-07-18T15:23:47Z), 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/QZEQU2122246.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3896123fb576463452d7d6db52d5ed13435be39ee299c977229b8c08cb9bb762. 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/QZEQU2122263.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71de3ec5f4e81ea9a7b3a4254f679a59247daefe115eef799fd8c52a4ec85de9. Chain 2 (Bitcoin): anchored in block 958734 (2026-07-19T12:54:58Z), 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/QZEQU2122264.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34a57054bd01fdfd9b3ee3788cac4a6691f729148fc79463a75b51d9a2cf7c19. Chain 2 (Bitcoin): anchored in block 958568 (2026-07-18T15:23:47Z), 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/QZEQU2122265.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0de98d4e5ac25deab466d8b0c340f9368237999cab1b86426fe167ed2e1236a3. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/QZEQU2122266.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c9e89f99475dff05af4b08bdf4c7b341b0522723e616e8bdd337cda10bc0e00. Chain 2 (Bitcoin): anchored in block 958793 (2026-07-20T01:30:04Z), 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/QZEQU2122268.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c5f60494c85f7ea76ffb5763a465030641f7db8fe09d4e2ec103324e26e01dd. 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/QZEQU2121241.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36d33f006256b24ba698ff144e4048bc489187241c66e7c1aaf788bca9151d81. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/QZEQU2121245.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8efc7c6cc6c7e03d5f01ea03aedd3c4b0e5495af7c28fee6431d382edd27bfd8. 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/QZEQU2121247.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b3cd59c2bd23b97a855465f0d84b0560c4659d0214982055c22b4198d900fad. 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/QZEQU2122261.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1273ec977fd3423a40230ac2432b320caf58d438d94b1b8c85644a799cefdd80. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T02:56:59Z), 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/QZEQU2122248.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x668f6349cc1a3b8ab6a32e2694e4d64d790710cbde1419baa6791e0d00f2ee68. 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/QZEQU2122252.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cd2e5d1da1d41e99161f497e9281c33c639319daf12641dcb4e66dbe28e00b5. Chain 2 (Bitcoin): anchored in block 957754 (2026-07-12T21:26:22Z), 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/QZEQU2122256.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1acab9bb9e3102d4db637096466f38abd4a960360fb609429764d6304466f531. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T15:48:23Z), 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/QZEQU2122257.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb966e62625ac0c0766be73e503b5d8ab88e6c4401ddeaac7a94c5614b7fb043. 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/QZEQU2122258.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02ad2ed632a58082b820037a6b5c16a3d73d2161ecf841aecb753349501a6acf. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZEQU2122481.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x121d2dc50de437362063192692f62d6f974b8cea2ad5fc60153e9fd95b30869f. Chain 2 (Bitcoin): anchored in block 957754 (2026-07-12T21:26:22Z), 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/QZEQU2122485.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a85e791ddb76535fbb881fbd3815391190682ac9d7cd7137e948b9aa80954ed. Chain 2 (Bitcoin): anchored in block 958350 (2026-07-17T02:31:22Z), 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/QZEQU2122488.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f7aa15d07b0191d0bd2b7f8e9f5851fdacafaf1c0840f45a2d1d0dd512e3c64. 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/QZEQU2222676.
É de Ladinho (feat. Jaime Ramos o Top do Forró)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68ebaeb667ce309a737a056f3b3ad1f349bd1fd19b0e9b1b4a835c25093cc64a. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), 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/QZEQU2222675.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x198c91c5d047841243c492b924fda6ce2e237b209c5663e54dae26f7c7ba9b2f. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/ESA112303637.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5777d9c150408e5e3851bf4c7558081fe8bf3e26a043a12c0222f940d535d76a. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/ESA112303638.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2204d30fc026b4029b2f8672d6ff7f474851084d36418a80b408745e3a966f41. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/ESA112303640.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23e21a8ef802a1ef91e3c7fd747259e621f6077f961f93bb90d81ed65cd98dff. Chain 2 (Bitcoin): anchored in block 956711 (2026-07-04T22:48:52Z), 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/ESA112303642.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe09a8fd932fe676c7b85dac0e4a4343abac7143549418d617fa3c828daca529b. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T20:02:24Z), 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/ESA112303645.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d61a71eb408339af38b79981038bbe816579ccd5ec863fcf82170506dbb73d7. Chain 2 (Bitcoin): anchored in block 958142 (2026-07-15T12:49:28Z), 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/ESA112563195.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb53d05d975e4f0f63eda7d48f402cd07d67043bfa89f5410d35f3ee0133c200. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T18:29:27Z), 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/ESA112563197.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x488a345581628315fd3f14169b2ce3db4c010d7cf74aae2c0796be3ad9706df1. Chain 2 (Bitcoin): anchored in block 957754 (2026-07-12T21:26:22Z), 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/ESA112563199.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30c407b3aff84a0e188771cf04e96c63bbc78d69bdfd690dd282462e310d30e3. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/ESA112563200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf7ae16446be7f794779bc35e7c650feb4af3ec4b158dbb63a37fea4b756d039. Chain 2 (Bitcoin): anchored in block 957754 (2026-07-12T21:26:22Z), 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/ESA112563201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ba5b9f2415a3548f5d248bb64814b8301f2b651efba4887f26876eeea99f686. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/ESA112563202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x565f09f602ae3aec3203807691dbe73015ab557f4cac9ed4a1c734d0c46b7e44. Chain 2 (Bitcoin): anchored in block 958271 (2026-07-16T11:04:49Z), 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/ESA112563203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a5f8d461ec295248c8bae4517c8b19120cae418647895233d3975e46bff907f. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/ESA112580038.