1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xb8bf54e7d941c235796e8adb5d8c81dc608b4ebc90cfa7c60735295f92949570. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4db15528-c370-4921-bb9a-fe91ee30f113.json and https://artists.proofprofile.net/proofs/artist/4db15528-c370-4921-bb9a-fe91ee30f113.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 → block OTSBitcoinBlock must exist at that height 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 0x9675c96d738d71ea09530528a27aa3b4ed823fc7d540d1fda08ffeabf7ca403e. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/GBCKG0500211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfe462822cc3de62831916b4cff476f0aebb9cad2e203f0743355e43fa4d4f22. 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/GBCKG1500012.
Tahmed Mukhtar: He Road To Baghdad - New Maqams From Iraq
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00d70d22870263dab87edf13bd1d4d555a32f8f89eace39b60bf7e4aacd36c16. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBCKG0500205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34cc2fe35113548d5b0b1767176fa374a397ab4a87434c9a7591152edd7c5979. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBCKG0500217.
Music of the Middle East - Iran, Syria, Iraq, Egypt, Turkey, Armenia, Lebanon à
AZERBAIJAN Sari Galin (Bride with Blond Hair): Sari galin (Bride with Blond Hair) (Azerbaijan)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfecdbaf2ab90b3b8085868a394a9a59d68daca1cc5899ed8e64d752094fb959a. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/GBCKG0500119.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38f8f8ca480eb3dc757d3244b0489b9a38561c42ce9bcd149fba66daa2446625. 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/GBCKG0500121.
SYRIA Ya Teira Tiri (Fly, o Bird): Ya Teira Tiri (Fly, o Bird) (Syria)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6741bca9b72c7bcc2c0a9ea17cd22d5300ef3a4357a9d5ca53253ab579e178db. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBCKG0500123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cf745b5f65bc76b31c7ec972547ba4da3bc3c8d2e7a9d4d70b1052840453c14. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/GBCKG0500125.
Nassam Aleina El Hwaw (The Gentle Breeze Brushed Against Us) (Egypt)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb97036737c9d0113df928eaeb1f2a4c488fff6ea7da93a7f558c44c67bcfb46. 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/GBCKG0500128.
EGYPT Ala Hesb Galbi (As My Heart Likes It): Ala Hesb Galbi (As My Heart Likes It) (Egypt)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4d853623d2247bb293e5f545957ad1b4e4c84ba1e20f3b8589cadc976a92d69. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/GBCKG0500129.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13ac9c25903fd20ee318e265a9c44c452b78e17312b024e40d5ebe4df75a78f7. 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/GBCKG0500130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc81c22304e6b6990dea73b90030e33f945213b44f225dd5b0de36a22b69c595. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/GBCKG0900152.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3c7a9967cb5a26aaeb4ec8daa5c9749e8d71879bf34a47a8326276518ff1dc0. 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/GBCKG0600304.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5aa65cba7fb40e49e27389fad4caa148defa654a516a9e8575e29238de3504ec. 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/GBCKG0600086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12c85d97d026e3730e695b4f6572224f7bf71a2b7a2b4ef7cf450770a87e21fe. 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/GBCKG0501011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84498ef638b2c786129c1969d637c131be5306a06d8ebda462aace1999b83166. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/GBCKG1000203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00d70d22870263dab87edf13bd1d4d555a32f8f89eace39b60bf7e4aacd36c16. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/GBCKG0500205.
Discover Music of the Middle East with ARC Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x641364a2c8d9eb1003393d844203e0bba65ef6c2b999729757628f34e307a66f. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBCKG0900502.
La, la, la, omri manhounik (No, no, no, I would never give you up easily) (Egypt)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb773df68fdc381f1b0c0a7543004e54a1f3c02a02e41debc87f326c02735e49d. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/GBCKG0900743.