Vida means “life” in Spanish and Portuguese. It may refer to: Geography Vida (Gradačac), village in Bosnia and Herzegovina Lake Vida, Victoria Valley, Antarctica U.S. settled places: Vida, Montan
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 0x0ce755712bb019a05fd2a9bfe191b40168a2255c66e29cd317a39180da119468. 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/74253c8f-0c1a-4809-a6fa-5b4eb23c9563.json and https://artists.proofprofile.net/proofs/artist/74253c8f-0c1a-4809-a6fa-5b4eb23c9563.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 0x5b7a4c7d1229e4a18a5360c15a556a3c9a578b73b2c18b96ef700909eea2475f. Chain 2 (Bitcoin): anchored in block 958695 (2026-07-19T07:37:00Z), 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/QZDA51981427.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2b17baf11ea825dbf3edc9cd5d298e9b5a0db4aae20ecc24dfa39e17adc2521. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/QZFZ72030892.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec8007cd608e935f94e372aa038b77200575ee88201da78eff932248bb0a87b5. 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/QZHN52017199.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8e7a1f590e6bda6e658ddd63a0806fbb4a5a0d18551a02e6229f124c4a3eb30. Chain 2 (Bitcoin): anchored in block 958395 (2026-07-17T10:10:33Z), 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/QZHN52017200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79040f2dfee98d10e7420b8bbeea05500ff3ac52dc1931a9c0916b7a96c1d226. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/QZHN52017201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdeebd191a928ba49917fe772d83b04fcd7075f849bfa6e44a65942b13af5aab0. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/QZHN52017202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d0f2447437bcd20c7c159fbfcc1f938fcb3cad78ed86389d088c1007d180c3e. Chain 2 (Bitcoin): anchored in block 958594 (2026-07-18T18:05:01Z), 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/QZHN52017203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3028a383605d25b92ae61993bdc732feae2e9ebcf1cf683d618dd4a766586e82. Chain 2 (Bitcoin): anchored in block 959096 (2026-07-22T03:48:36Z), 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/QZHN52017205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3523c20f326477f384e13bf773ed11ebec410975749440e10cec5980cfd7e37. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/QZHN52017206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9a2ed81aa953a6674deba086784ac9e1df7471bbca134817a47d61c376281aa. 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/QZHN52017207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e88148559a2b59bf7a206115e59e7ada0bfc9da1a9e5c30d26467cadd5961e0. Chain 2 (Bitcoin): anchored in block 958594 (2026-07-18T18:05:01Z), 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/QZHN52017208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc896c57ade4ca61f60504de3be63c586b1369b249decc8030b88e2e1f646a1d. 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/SE6SA2414279.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59b8800d288b1f2fe268cf8876bb113a56d9a32965b669fa0577619317d48cdb. Chain 2 (Bitcoin): anchored in block 958541 (2026-07-18T11:37:54Z), 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/SE6HN2486392.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0e385051d50302c781ce60918ad153a062f8912ddd0db079a4446d36858f745. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-15T22:40:25Z), 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/QZFZ32435088.