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 0x7254fff8acaf601beebef738e095e588f0fd096f6cc16efce59a3fd1c8ad0a90. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/44793227-ccb7-4649-8f78-08eba0c501da.json and https://artists.proofprofile.net/proofs/artist/44793227-ccb7-4649-8f78-08eba0c501da.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Noc Muzykę Gra - Global Edition / 2008 Polish Cast Recording Of "The Phantom Of The Opera"
"The Phantom Of The Opera" 2008 Polish Cast
The Phantom Of The Opera: Global Edition
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 0xeae5ffca0d5c0f97794a601ee715e534eae18233012eb2a3932a16e95301abb3. 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/GBUM72206179.
Wspomnij Mnie - 2008 Polish Cast Recording Of "The Phantom Of The Opera"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1388b5bf0ff4524cbadc174539ad8f1fb38eb67e102a6da435e8bd6c844565c4. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/GBUM72204943.
Anioł Muzyki - 2008 Polish Cast Recording Of "The Phantom Of The Opera"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc60e9d3fb89ec648ca532ef6606e3fc5d5cb64e19bedfb8eb50dde96dd1fa3e. 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/GBUM72204944.
Upiór W Operze - 2008 Polish Cast Recording Of "The Phantom Of The Opera"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98d07a73542c65c6bd2d8b2814b82e5e220e919727e37221e6ef8400efccd9a0. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/GBUM72204945.
O Tyle Proszę Cię - 2008 Polish Cast Recording Of "The Phantom Of The Opera"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa53192cab659e3086aade70c693489937b074fec4dbb746df2cf69bfb4c3dc26. 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/GBUM72204950.
Szkoda Że Cię Tu Nie Ma - 2008 Polish Cast Recording Of "The Phantom Of The Opera"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30e616bc4b12302020961721e53b4eece5375493f293745b817f4dde00dc2a81. 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/GBUM72204953.
Stąd Odwrotu Już Nie Ma - 2008 Polish Cast Recording Of "The Phantom Of The Opera"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59a753d4fbfecb04f66886f549e1edb7793738ddfc3b96a1eb3a143960c8ce15. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/GBUM72204954.
To Zbrodniarza Trop - 2008 Polish Cast Recording Of "The Phantom Of The Opera"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x514a71f426e07580da16586c6f7a3ce7ff848a06512c0bf666dbff0bb591eef0. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/GBUM72204955.
Noc Muzykę Gra - 2008 Polish Cast Recording Of "The Phantom Of The Opera"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1660efca2a0aaea16ea4a7b5d554418a429f06cc237905d727b3dd10e13ba3f9. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/GBUM72204946.
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