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 0x360a7f4dd5370d6a1fe75666b0561d96b18342fea29dfbf731d31c287732a7fe. 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/70d6253a-bfa7-4c3d-a981-e31571e2dd85.json and https://artists.proofprofile.net/proofs/artist/70d6253a-bfa7-4c3d-a981-e31571e2dd85.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 0x15ee2cd1436a946f066cff57626c35a10a95fdcfad418771b56a9d0d01f1ecb6. 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/ESA012214498.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a6868706b7b9f0b4b939b6815c46276f24592f73f48610c1084befb05411aae. 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/ESA012217241.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe59c89ea91442549cf11106f8a98fe88223c3dac93f1b050fc1582f4afcdcf87. 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/ESA012214501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94f3912963bbf4fcfc341302046af420080ff4b5dc58db7d8a8762c9ada7ea5d. 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/ESA011583156.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fad9f76c6b0b473194d5a2418b87189c5258ce057e4b01f748a0e2031048b6c. 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/QMFME2249765.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25e2d5483cccc5290bc00fad59f136312281be102ee9c5f2392f7f9584e59b4a. Chain 2 (Bitcoin): anchored in block 959137 (2026-07-22T16:35:46Z), 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/QM4TW2381713.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x982c26685c626baee81bc94a00019dab6734254d7c6ee5cf91d892bc884b03d9. 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/QM4TW2300914.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7760fb032fdc13e4e720b6908355bd18ba98ec9dc906d4b64570c767a9cb903. Chain 2 (Bitcoin): anchored in block 958146 (2026-07-15T10:33:22Z), 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/QMBZ92310272.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82b3b29be612173f211897fdda40df59f883beb9d5957f916998bab4345d94c1. 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/QM4TX2375562.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x498c3f312d5cff4157821bfdb979f5b87ea178d8b771d66b7bb8adaceb5ee977. Chain 2 (Bitcoin): anchored in block 959018 (2026-07-21T14:12:28Z), 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/QMBZ92310282.
qué serías sin mi? (naxito jüeves Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00ac2064126155b78043f6276464909bc48f5db9a98190ab8d69c361c895213f. 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/GX3Q92437807.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06edac36fae078f3322266a4d1190e12aafdad756aacd939a8f975fcb8723e7c. 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/GX53U2491642.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96f39912297bbb5230724d3f1a2b85b52380c862d05aed90dbf72eafab13e19f. Chain 2 (Bitcoin): anchored in block 958146 (2026-07-15T10:33:22Z), 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/UKXN22552247.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x012b1d1e489449a3a5c5587150e839bb22e7c4520f1aa8576ca21293bfd90db0. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T16:02:44Z), 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/GX3Q92531611.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x666a3dece5f3133a89109e9ac51d0be21a39004f5cf3eba8693898e4007fd619. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), 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/GBLFP2535532.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8ff6315058c5f313dacf1766ebc23e786a60e9c08cfa7142671594b02516cf9. Chain 2 (Bitcoin): anchored in block 958633 (2026-07-19T00:54:50Z), 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/GXHG92570549.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6a2c52e9b7f94e2cf633c39fe176f20145c2bd0e3720fee23242cc40b1d2cd1. 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/QZTAU2157903.