Trem da Alegria (Train of Happiness) was a children's musical band based in Brazil. During their tenure from 1984 to 1992, they released eight albums whose total sales surpassed six million copies. T
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 0xad77086c60b539641daff7bd9afef8ca165707c455aa8b909bebf0d358191071. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/64b5adcc-dc24-4e5c-ad85-7607dfeb66c3.json and https://artists.proofprofile.net/proofs/artist/64b5adcc-dc24-4e5c-ad85-7607dfeb66c3.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 0x22b8c8d9f473dbb3270d6c0af4e38e5567d95f4261bf6a157c82c384a0511699. 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/BRBMG1700744.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85dc1bbead21e2e3ff32edc791f1fe20c75e50b4fff48329b1d57265d83aad98. 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/BRBMG1700818.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddc61e64d6781290ce7c57885d6928072c0d5d3267d80f229800dfbb03c62ac1. 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/BRBMG1700820.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67649f557219bdf2bd3353bbc4aa9e5919d0fcd708ecca61e85170cc8f0bbe2c. 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/BRBMG1700822.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c9639b32220e17decb4a4e179acb7959aaeb433ac06da2fedbcdacfa825f94a. 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/BRBMG1700854.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb41fa3787c19ff9f709912804e3bdad4e93bfae4fe1aedbea71f3f78d9669b19. 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/BRBMG8700097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x278dafc5ba3a6c1643c04a0c8e35791d4ae9bdaaa26a9d6907a9153e56ba08fa. 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/BRBMG8800090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa59fb77d48ebd2ad365bfdf7b9bdfdde7891156e37d2d6815683b76d036871eb. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/BRBMG1700897.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d8c528407812113c59d36726a19ff79167b924a838ee1e2930bbcd5146e100a. 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/BRBMG1701827.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8ff10622f5297ac61b21bae4a0b76e94a6e207e3e703ee8fef59685f4c883b1. Chain 2 (Bitcoin): anchored in block 958415 (2026-07-17T12:50:13Z), 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/BRBMG1701844.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe536671d88be1862f023a0b908cb13de3637a9643cfc6a0fac3ffc0b95a44beb. Chain 2 (Bitcoin): anchored in block 958711 (2026-07-19T09:26:32Z), 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/BRBMG1701846.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25e5837500d09553d7950cfa89c3d59e0b19a379e7d8853a2bc1bcd91f269736. Chain 2 (Bitcoin): anchored in block 958410 (2026-07-17T12:18:07Z), 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/BRBMG1701850.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb433bfd228d2361f7c5375a1c22ea6a155a3e4897e4bdca642d47d28c5ee32e7. Chain 2 (Bitcoin): anchored in block 957874 (2026-07-13T15:43:57Z), 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/BRBMG8900602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfacc528a63acbb0f4f9f69cab8960f270ad206caa3c4baec0be5c1247bb6ea2. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T19:05:38Z), 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/BRBMG9103546.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a1d9ccf3fe3ee7d4039e2f986029b3246ed80eb8ed2087b5ee5f70fe10265d4. Chain 2 (Bitcoin): anchored in block 958830 (2026-07-20T08:06:49Z), 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/BRBMG1800076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f450ad25eb0e64ce858ed657ffe09bc34ca7d91f3c53d0e3602ed14c71f0def. Chain 2 (Bitcoin): anchored in block 958611 (2026-07-18T21:24:44Z), 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/BRBMG1800078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8532ee39abc2291883abac556cd5e8c0e7397151b2dfa77b7b73faa68ee2f4a2. 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/BRBMG8700095.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80d356dd4c0bacb14a3681d6582c6c7053e69068ef7d16094060ae230bb352c5. 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/BRBMG8800148.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce94d0f1f11b46d917f4316437c791f285f5ae09538642817f6382c7667f78af. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/BRBMG8800091.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d7d4054d62b5b5049f242fd82bf9f75fd40efc6ebaa09e5a0bdfb50e6a7cd0c. 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/BRBMG9200304.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7d2e146df1c42b7cfba2e7e85141cc7ed64abeec5140229a80ac26530fd1738. Chain 2 (Bitcoin): anchored in block 957876 (2026-07-13T16:00:32Z), 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/BRBMG9200046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x204ea0c154e7356d7b3fc3a21d972cc4e755a0788e33f9f131ce4b76f84a172c. Chain 2 (Bitcoin): anchored in block 957876 (2026-07-13T16:00:32Z), 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/BRBMG0200324.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8149f3def8c9eb1569f077c0dbc23f0adb416498ca725c8b171a3d5b0477ab88. Chain 2 (Bitcoin): anchored in block 958185 (2026-07-15T18:19:04Z), 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/BRBMG0200326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e5ed9b29ba20efde2d402dbf1a2005226e6046f3262c7ca67d6f93d72831437. 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/BRBMG0200330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba5e5198a2def0ddc35d574b7a324f8b10ca4e833b0c5a65becf1ef8fe4677c5. 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/BRBMG0200332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3b7558fb980e337520965f3306f72d42d1f663e1fb30c0ea404e3e950f45faf. Chain 2 (Bitcoin): anchored in block 958116 (2026-07-15T10:21:14Z), 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/BRBMG0200334.
Trem da Alegria Celebration no Estúdio Showlivre (Ao Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb30a2c43268be349294758ff2d43505de1a6c15cc7b11c7aed77deb8716c6a89. Chain 2 (Bitcoin): anchored in block 958870 (2026-07-20T13:49:58Z), 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/BXSSW1804472.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8532ee39abc2291883abac556cd5e8c0e7397151b2dfa77b7b73faa68ee2f4a2. 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/BRBMG8700095.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb31f2dba2cf6031bcc168ab53a1819151774026934a20b7cd3501c34a2dc7ce6. 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/BRBMG8600064.
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