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 0x15b18d2930afa4fac1f67cdb69be00f8e8c5ffe2d13b74b24723aa6118d865e9. 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/d66f7047-4007-4635-bcbd-af536b78828b.json and https://artists.proofprofile.net/proofs/artist/d66f7047-4007-4635-bcbd-af536b78828b.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 0xa8432cd7f2c5a677a72f40635ce4f448754cb0e22d19e5972da5ab3a0cc1feaa. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/QZTAU2256574.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x585dfb6e299c0af8ec453ad4caa013f9059a99cb05ebe8ebfe31052e53bf92ab. Chain 2 (Bitcoin): anchored in block 958404 (2026-07-17T11:34:58Z), 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/QZHN92241306.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97f4c389ae315e0d46c8f83c737ba54bd3d32fee68cb9e71c4b0af7d70541fc4. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/QZHN42258326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf3f6f448f7073a00ce7985b7e43cbfa94c6d3f77c84fcd5d834837df89fbf46. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T19:09:54Z), 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/QZHN42203698.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb157a05786b94aefce73092c27f5153d60f64a24af4226eaa22ec4792974dbed. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/QZHN32294152.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71826900f2128e511f24029cab588207a1cbc91712b5af09841e6da9ac372155. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZHN32294151.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7672ffa307618fec4171766639c8c919dd432adae6e94aac02aae40315e5bda6. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/QZHN52257433.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3cb6ab83dfb80dff4a13c8969748404127f7b99128aa251cf2059e94717c49e. 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/QZTBA2256618.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1ffd1c89f96cbba7163939abe5d043919b2f874fc15a5a72eb1cd70f537fe13. Chain 2 (Bitcoin): anchored in block 957751 (2026-07-12T20:41:42Z), 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/QZTB22334434.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa59f7e81de82c09b1bf52b678687e56b36eb47a78838c35dc705ab52be10cc8b. 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/QZFZ62456221.
إمامي المنتظر (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe471104c32f120d7be0628347ed9cda286c2d40ea196418427acbce38289e0d6. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/QZHN52444922.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x945f626d89883d64ef53ad0157ae8f6b3d4c071e963d61c65f227ad102db5210. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T04:29:18Z), 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/QZHN82489979.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a6c690aa3878dd7f0684aa2d3af2805be4b4477a064aea9938bc97977a6884e. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZWFG2463153.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53fb614cb8005eda1e7cab162c2d5b346b444e72f192f3108775ad2d91457618. Chain 2 (Bitcoin): anchored in block 958390 (2026-07-17T09:35:49Z), 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/QZTB82500397.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x969f89a4e8002ddc3c49d9252c963bf5c82a7a23896d7f6f83af0097740136ef. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZTBA2570291.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bae6ebcaf0569537549ec7dfa0370e5a4a4d2c338ee75e59550f04160418fff. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/QZTBC2507241.