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 0x1845b701858906ae0bd2199d3bd388342b98b80d6c6c7130acd0f6dd5d36e4f3. 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/21e1d100-e30b-4ffa-b49b-01c7bf5f1886.json and https://artists.proofprofile.net/proofs/artist/21e1d100-e30b-4ffa-b49b-01c7bf5f1886.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 0xea7d157c9cd6c5c3074bd244a7e3c2145675bdb0b51b6077bb5493df50916315. Chain 2 (Bitcoin): anchored in block 956383 (2026-07-02T18:11:59Z), 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/USANG2094833.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb2af5d455efe9f06e03770ddf87d581dc8c7adbb86023eb16194d6521b3960b. 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/QZGXC2300551.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2c13d9bce46423afb506b76434b926e625dc4102f42dbf9432ae7612a21880e. 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/QM3DF2204875.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeebc1fe5c4a18a4c5349360c6a29ae1936cd7863b228eceade3b497c72e2e365. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/QM3DF2204881.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d718fa1292c5992e2b3c0d0b4b1cd24b0022bc1f30d0b5b21031c69aef64b19. 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/QM3DF2204882.
Quién Más - Live at Gateway Church, Southlake, TX, 2024
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24a87301b0b9c68bfd10e6f16803384beace281d05201829bfe89bcbd549f79e. 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/US6WP2400223.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43f1f15e2db6317694018a101210dc9f9194a716863d30a00b65ab8498b94ffe. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/US3DF1737384.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcb74333ba9b76a9e30dbc5cfd3e0d5ed1e27b8195a6b8343ec1bc4f2ecea0cd. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QM3DF2413880.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04983dcc31b59cd30d6ffafafb3916266468f882cd2e3cc49ccf80c308479f19. 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/QM3DF2413883.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec9ee57d7d7ab347d6c6c00358fa8963a70477026ae650615685dfddb34f6741. 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/USANG2463831.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabedeb1cd8a3af5956fbab23dc1330cbe78574620f646bf83bc80d45fc27ea34. 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/QM3DF2413887.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47ac75277eb9c0e778df34817b1ca9381d420b695d010690b47122d3a346dbb9. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QM3DF2413888.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bacd715e79b3fdbf94d543118f8d863503d5888e2bc4e3878ce40d95f4735af. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QM3DF2413891.
Ministración por Waleska Morales (En Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7a6b1f1fad6036c30a8a8c589d8d01ef4861fd40e15753c61ae22dbb18b2089. 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/QM3DF2413892.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbe35747f71cf3216cd3f3c120433ee6d891280f9701b69af97549d6db58cd5f. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QM3DF2413894.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4831a6f1a99e3282bdb7bedc9ba04c0cd91643fa510d60a33231aa2d7a4106a3. 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/QM3DF2413898.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4f292445643432ed45810b74d6a1248c91c2076fb5b695d563f63747ae10637. 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/QM3DF2413899.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8eaafa6435552b738c9f0dda70ca973e3360ffef74dd2e2b3ae2a0b76b022853. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/QM3DF2413907.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83fe6cd1d2bdb500ce616e5aa6b1537a73222242d14eb39d3f306a859fac1764. 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/US3DF2231439.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x893b880d53279ffca2dfe1557484691295262195af739f65f0555dee818b31ee. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/US3DF2231443.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0dc129be71a72888897249a0c10ec4b7415c05a7b70ee70fee93834b826ecfa. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/US3DF2231445.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x408987b650ce3aaaf7e1107e42055094d0b5db12ac9158e72c71d07632c4fbb4. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/QM3DF2126041.
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