Sing Street is a 2016 coming-of-age musical comedy-drama film written and directed by John Carney from a story by Carney and Simon Carmody. Starring Lucy Boynton, Maria Doyle Kennedy, Aidan Gillen, Ja
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 0x6795a4eab9a4125838cbe9de23c1a0194f82cd0d8ed9e1e563847e9bfc04d521. 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/63e4142d-0ee3-49de-ad38-f2da6f4c6d67.json and https://artists.proofprofile.net/proofs/artist/63e4142d-0ee3-49de-ad38-f2da6f4c6d67.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Drive It Like You Stole It (From "Sing Street" Original Motion Picture Soundtrack)
Sing Street (Original Motion Picture Soundtrack)
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 0x649aa97cdf8e21c8c8877042f77bf7586fb1fbe7e0f1dbd8ccb9fd4a72e9207b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/GBUM71601387.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdecfabd6ff23348079e35effecb94c3e1e950622d05f9fbdf6e764657c39bef6. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/GBUM71601374.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a1f5abf6c1447fe13663051f4fb61a6359291a0978a1cb0d29d9bfbecb49832. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/GBUM71601388.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd249f2b6e38991199538c38a277ea57cb7413d1c3b0a07244f853637837a6adf. 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/GBUM71601376.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x046a4b5b86620237be97e9d15434a9bc5ce6b73a4b6a17ddf763c51733294543. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/GBUM71601383.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64b93d02248d1004608e90e80a20054c39dc0b84190f1eb1491e4a2f7a069550. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/GBUM71601368.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14945c778e2d193fd5719ffa3f4879826de2dc8850818cc732c084af33418a4a. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/GBUM71601384.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x830cedaccd0b8c0d5cc746f6f3e603c57ece494290fd046e0c288ba1d2b6d98b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/GBUM71601382.