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 0x0edd5edf41cfc3ea82f3b41601b07c98dbd82a0a9e6ff29f1a31587b2ba94cda. Chain 2 (Bitcoin): anchored in block 954623 (2026-06-20T23:40:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cbb036b0-3fb1-46f7-90a2-d54221f314c9.json and https://artists.proofprofile.net/proofs/artist/cbb036b0-3fb1-46f7-90a2-d54221f314c9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Perfume Exalando Fumando a Braba da Forte
5 MINUTINHO DE BEAT SERIE GOLD NA SUA MENTE - SEGURA BB
Eu Passei de Glock Ela Sorriu x Tropa do Pato
MTG (DINGO BELL VS 25 E NATAL 31 E ANO NOVO AFRO)
MATHEUS BRUNO - NO CATARINA TEM CHUVA DE LANÇA
SÓ TEM 15 X TOMA SOCADA DIRETO - ((DJ 2K DO CATARINA))
MC SAFIRA DO LINS (MEDLEY (DJ 2K DO CATARINA)
RAVEZADA DE LAS VEGAS (DJ 2K DO CATARINA)
RITMANDO ELAS FICAR DE QUATRO (DJ 2K DO CATARINA)
PUTARIA NO CATA (DJ 2K DO CATARINA MCs LUKINHAS DA LACOSTE E MC GORDINHO)
OS AMIGO TA PASSANDO E ELAS PUXAM A CAMISA
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 0xcbc9bfa9e2633486b145e15382d6e5d8e3426d3634c62a777c483181aa5fbafb. 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/QZTB22542340.
MC POZE (OS MELICIA SAI CORRENDO (DJ 2K DO CATARINA) 2019)
BREGA FUNK (SENTA PRA VALER (DJS 2K DO CATARINA & 2L MOTTA)
MEGA PUTARIA NA ROCINHA E NO CATARINA ((DJ´S 2K, KN & FH O MÍDIA)) #AFROOO
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb59607b45592099c0fb5cf7deb824e11626c0789ae954fddeac4a4495bfd3d67. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/QZWFS2575133.
MEGA PUTARIA NO REDULTO (MC JHONNY OLIVER (DJ 2K DO CATARINA)
TROPA DO MENINO REI DA AULA (Super Slowed)
EQUIPE CAOS X SELEÇÃO DOS CARA RUIM PART, MC LUKINHAS DA LACOSTE
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fee330955c9a96efe7d995b6b691eae2056a1989237474798099bb1bdea2f11. 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/QZZ7M2536007.
A OITAVA MARAVILHA VS FAMOSINHA (DJ 2K DO CATARINA)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8cb924ab51fab9f60bbfb45d19ef3259be8b5b32aa54c4cacb06b4b7eb9614f. 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/QZZ7M2541406.
MC BIURIFOL & MC MAIS ALTO (CATARINA VELHO)
INDIA QUE FAZER FUMAÇA X VAMOS BRINCAR DE INDIO
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x498a8bbd3870b3ba0e96b35412b88148445af1a6fabb955c7d1c81bbe51c0d06. Chain 2 (Bitcoin): anchored in block 958935 (2026-07-20T22:08:19Z), 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/QZZ7X2588326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9a8c0fd9766b0be5b0b1e1d2c8ecb2ed2a70c656baf952cc8f92d0b4ea9b76e. 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/QT3F62520997.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf76d0ee4fe287d49323f5ecee104f2954c019cbe4ec72356f99b76aaa6479f45. 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/AUGBT2468532.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba9d6271bf85b370e3eebfa09d335315ecbf35787555bc2ef677ea4c5b6c0571. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), 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/AUGBT2493884.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3670e152eab74a6135e6b354aafff2cc731a0b8998cb78e4c392ff3e7c0ac1b8. 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/AUGBT2485412.