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 0x823046c4570d6f5241a5eea7dbf77d382ba06fd9001cfb538211e72e3ae329db. 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/fd0dd6da-1c2f-4286-868c-cc22d5c75547.json and https://artists.proofprofile.net/proofs/artist/fd0dd6da-1c2f-4286-868c-cc22d5c75547.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 0xc351b177774f92efa50f9a391f9eb39b5465b70dd5df28dee4bfefc012ba128c. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/QZMZ92478569.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e471c5c8a802aef86007d7066e63c63621fd84c08ea6d90394eaad1ab6afdfe. 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/BC3PG2402594.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40b4b6d38d978306495c53beff088bf3fd7abc381af98b8877741f095face9df. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/BRKO12400989.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38e5fe9540242dca73bf72319caf59cfbb8f985a93ee78e5dee843bc24c8b6e7. 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/BXKZM2000561.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7669200da94169d4373decf3401e242412221d6525997a3ffc66a5e6ffa0d5ea. 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/BXKZM2000560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x188190e77cd600f1215e4e758f31aca9f5816d33d9c86fcae49dcb009bbeb2d3. 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/GXD7V2561889.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbb878421b6638c78fcc0c9afee7e1843d82420f314f15c66f4ea4e967c49a83. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/BC3PG2404568.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b16784e7b1987c64b32e1dab061b0a620d8c003dbc968a03a7dfcdc50fb8451. Chain 2 (Bitcoin): anchored in block 959145 (2026-07-22T15:39:05Z), 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/BC3PG2404201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9312490e123318b3b80196168a663662d8ae2a5470aab3d2cdefe13354818178. Chain 2 (Bitcoin): anchored in block 960298 (2026-07-30T19:26:00Z), 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/BC3PG2404199.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd695304af9898e7c4121f38ba6571fd04ec1f1917107cb789bd8d376a75a996. 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/BC3PG2404198.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a637ba256f6ad75381d038ef264ee26483c88a079623ee725af5b46642fe77c. 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/BKVYY2400151.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8546e9d5321c9b7ae541b518a84f9b32d4e18e1cd2060a86181b1cffca507648. 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/QZTPX2495169.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28775dd41d84cebeda908fb39f8d6635aae01ff144a69a4d79d4d2945ee9ed1f. 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/QZNJZ2491343.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4228c2c0dccb2136df43b1a7a043cc7835a1d34901178e3f52f81b4f94be87c1. 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/QZNJZ2492486.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef62bcbec0a86e5ba2168f7491d3d9cb08e857185a7349089553b561a1513ae6. 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/BC3PG2402257.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b6a0c19835108c09557ab20c777bf18f3b64283a78cad0671f79a92e4d34209. 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/BK2242401473.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x837d900c8473b4aface0940474c9c31cca78afa0c102563acb39cad81b8c123f. 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/BK2242400227.
Playlist Do Mago 2.0 Quando Bebe Fuma, Quando Fuma Transa
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7c83f707d8abe9f2f906030fbacfaf5a8077ad3c9ddd9e12a02b4c12577d063. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZMZ92443239.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97ea6e5dda66979abcf4748422efc07bebedb0e8a22f81e0e99dd4490c91175c. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/BRUM72301463.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4be6e89910b2980aa92552508ace35b12c64fc1762b9ca5491fc5bcc96b13c4. 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/BC3PG2402465.
MEGA BOTA A PALMA DA MÃO NO CHÃO (feat. MC Hollywood)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88b5a468376a778c084be53de83b647bfbd43029b150b3e7ac8d55f97d05a3c8. 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/ZZOPM2231147.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe500c683bbcc3365c7e3fb64f4be83ffe84ec90f74e20e09367c2ccb4e0bfc2d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/BRUM72300080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94295410b4cb8a53ae58ec8c3acd8e565e78c8a4b3283e5db8a3b7690742729e. 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/USNRS2343106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ca5dcdc62687fca0149f611bab9367821e08f2598b4ccc120d9333ee6c61949. 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/BC3PG2402474.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62cda02f09def55df1faa06393f49b9a38645ddc40a227445a52937f14761954. 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/BC3PG2402477.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9211894e2bafd4068ee19545a220d48580818c4a20c910298e33c42c0e42cc00. 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/BXKZM2100499.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95a8d9427fd4e0cd54c3f3b0c249f9ed22b18852e58e41eebbb9445b1e5ff897. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/BXKZM2100500.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17f977d36ad8c6673e3cfa2e2e2af53e7ae35324f93ba404d46a93e75e597387. 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/BXKZM2100501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90d96c74b335b69b7aa155ce1bee0f0566d3d575c86b7a7fec83ca369ece80bf. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T17:48:40Z), 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/BXKZM2100502.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8041859f26d47bb936a18bdad0dec54954750f67306c4f3193337220e92a9dca. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/BXKZM2100503.