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 0xcbd2d555a858f759f990e777b67e749c5487f88115d572eb082b283f1027ae88. 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/cc347a3d-ab7c-42bf-adba-3536cb381e4f.json and https://artists.proofprofile.net/proofs/artist/cc347a3d-ab7c-42bf-adba-3536cb381e4f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Toma Leitinho de Monte X pra Nao Sujar Sua Ciclone
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 0x5fe7279526a4d54641526e42772389d9f8b561c6e5107081f0a8b2f522bb48a2. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/BCLWS2200645.
Corre de Onde Ela Tá, pra Sentar na Pik4
Ontem Era Fode Fode, Hoje Já Ta Namorando
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3282238aa615f08b29fa9cd72a63d9b3f28d8e193a14bd20af412151f022c4db. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/BC3PG2400092.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe11b96965edcbd489922e3cec3ec1cdf62e9efb468b8b40ff4572b558d65d8a8. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/BC3PG2303591.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ceab1617880a874bf6bfa4b3a325094db8447c68471f41888de40979e5071ac. 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/BCLWS2402433.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9dcab6a43c488096790c63c5eace8cbc9343d359449b89aa32e5e378c466c0f. Chain 2 (Bitcoin): anchored in block 959118 (2026-07-22T10:01:58Z), 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/BC3PG2330796.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21eba77aa957556eb23e4bba90a2ca65cf4d230e5fbcdd690974bd2f24fd9a6d. Chain 2 (Bitcoin): anchored in block 960296 (2026-07-30T19:11:09Z), 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/BC3PG2400381.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae28ae90f4396a453962f426e1a55aeae569308961c01dee94ffe7ffb1c9cdb8. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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/BC3PG2306331.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8964e8c4f38c2ca9bb218d441a4948dabbfa809a43dd9454951ca4e20e1ecf5. 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/BC9MG2200010.
Ontem Eu Sonhei Que Tava no Serrão (Rj) - Remix
Ontem Eu Sonhei Que Tava no Serrão (Rj) [Remix]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1262bf223488e66a2308f9005660a39f98a59d2cf401c28f135e123b77730d7d. 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/BCA2A2400285.