Briana Alexa Martinez, commonly known by her stage name Brika, is an American singer and songwriter.ASCAP Latin On The Spot, June 10, 2014 She currently releases music under independent record label A
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 0xfddfbd190ce2609392d4d8ad4a1ec2751438182bddeacda91419e814a6799b6a. 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/78eb5c69-5c81-4e59-ba0c-31030beda8ac.json and https://artists.proofprofile.net/proofs/artist/78eb5c69-5c81-4e59-ba0c-31030beda8ac.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 0x64a82e42052aa84e81c4af60b14c1d6534ea8fbf526c7f6b8e2c243e5727fff2. 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/QMCKQ1700003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x281e30666453f91e653139e5de6d6f4760ad73af20329d047af9fc8e69f61d90. 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/QMCKQ1400002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x820ce2dd8c9fab877ee5e2699eb5700eb4af38f682c5dce498eb7f40f30837b4. 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/QMCKQ1400003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc46252607466b31c6a563aeef24022faadc4d05edfffc85729ede74de68902d. Chain 2 (Bitcoin): anchored in block 958547 (2026-07-18T12:44:05Z), 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/QMCKQ1400007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3e7436f664a5d6b4e8944365637e81c3c423e8131612707909114196ce2e3bc. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QMCKQ1400010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb7eabff5ef6dc82f781c02818dc5a93bb36acfa22f48531ff024e260ec1910d. Chain 2 (Bitcoin): anchored in block 958152 (2026-07-15T12:00:27Z), 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/QMCKQ1400012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5228191699cb3667b07b69148d654e62d576af3aa1da98f40f47df34eac33a47. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T09:45:25Z), 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/QMCKQ1800043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58454b93e5c6da352afa4567ebc523b256fa2a4bf7bcac8d6386955b9cb09b64. 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/QMCKQ1800042.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3574e4f7e61f941f1edc999eaf6028c6e39cda82180a034dd3ebfa206eb09528. 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/QMCKQ1800047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16601a5f90e915d90e9f92e5002a471c127e046c17700f587ff6af1c6fa6c4d7. Chain 2 (Bitcoin): anchored in block 958430 (2026-07-17T15:33:28Z), 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/QMCKQ1800027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38578ad366c48ee109327fa9f0b36f9218a7e86a692cee5e9006edc962673941. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/QMCKQ1800028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0286e9e80482691fe17975923f424e6fb92c4f9ac314221d0cfc5cc912589929. 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/QMCKQ1800018.