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 0xc86b63fb00340ec15e586eb05f1b8dc7ec19b02027f707a9e4e20127f87bf819. 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/772f44aa-be89-402a-bbc8-960cb5c74546.json and https://artists.proofprofile.net/proofs/artist/772f44aa-be89-402a-bbc8-960cb5c74546.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 0x0f5486888279a064eb899f1aa7836fd2dccc674b610d2f57972c5fc2829d7296. 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/QZK6F2135144.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd400e65fa4e6f307f543fd1fce689b3e69e838bf6e4bf5be93c34cb3b363612f. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/QZK6F2133771.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4abe210eb137a3ddd4de57b757619d6437515f37b3439d412b189b0f0835b6b9. Chain 2 (Bitcoin): anchored in block 957620 (2026-07-11T22:32:56Z), 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/QZTAS2380007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e18ac36980cc0cab69fe19f4924830297d885473af4153f516dbb07afe939e6. 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/QZES92442476.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c7f662eedef6adbd57c14ef10958c180e8e4374c22d7e28028655ef8e9d1fb3. Chain 2 (Bitcoin): anchored in block 957620 (2026-07-11T22:32:56Z), 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/QZES92435332.
Eli Malaj - Nuk eshte Kriminel (Official Video 4K)
Eli Malaj & Bes Kallaku - Falja (Official Music Video)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c3144bf136c9ddf03d5644126728395d2e3680e9946a2236a20f6bac459a706. Chain 2 (Bitcoin): anchored in block 957620 (2026-07-11T22:32:56Z), 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/QZFZ32564471.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x779e71730b58edc2f23a5ce65266fd151981c7c00533e31729fba91a81c20f18. Chain 2 (Bitcoin): anchored in block 956396 (2026-07-02T21:01:51Z), 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/QZK6N2548269.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeee3393ddb00260179fd570ac659890635e1f2d0de6a15725a6a10e3c6ad5d26. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QZMEQ2561670.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee43d49365373fd41fb0438f15917955face69c238e450a200afbf40dad1396f. Chain 2 (Bitcoin): anchored in block 958639 (2026-07-19T01:18:30Z), 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/QZTAW2577729.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x212150189a9080089117f487e9740302a7f5dc5d383e218082c1f7b1ec43abfd. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/QZWFX2515528.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b1a5b41f6feecf469635f1d0ce4fe2811e3d0dc83d8c5fad424598056a5454a. Chain 2 (Bitcoin): anchored in block 958876 (2026-07-20T12:15:48Z), 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/QZWFX2515523.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5fb1cf6f5d58fae671bda69e4e285c6ce08577eb0d02ca7242f474dc1c95ade. Chain 2 (Bitcoin): anchored in block 957785 (2026-07-13T01:55:31Z), 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/QZWFX2576873.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae8daad752fd89082469b1692848a75c1482d0e254ba4971b32d943f2f2bae21. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QZWFX2566993.