Hirini (Sid) Melbourne (21 July 1949 – 6 January 2003) was a Māori composer, singer, university lecturer, poet and author who was notable for his contribution to the development of Māori music and th
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 0x48d1d18622bee3c2c4268d02205fef843fed5a7ad395a7fc35e123fa5ffb9ae7. 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/2c21612e-56da-45f4-85fe-970072dddb62.json and https://artists.proofprofile.net/proofs/artist/2c21612e-56da-45f4-85fe-970072dddb62.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 0x0daf355c1cf7fa728a14838c310f4da6fc7eb2a41aeb86efad25619f4fe5f3fb. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/NZRA00300012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63a1585e0105a29b9f367f0e0acefedccc802bba3b722b5e1cfe8891423bb5f9. 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/NZRA00600032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea7fd9b2d6450419c4cd6407ac9f96f3ba54a91213bfba4ccfb3cf8c861d6f56. Chain 2 (Bitcoin): anchored in block 958819 (2026-07-20T06:40:29Z), 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/NZVP00801416.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x847a40e16d3f7a72fe4993cbb589d0c9dedc66909f5bcddc21cf03e433003f92. 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/NZVP00801420.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08c0cb4f18f149e79f550b150e0455f521105399696c23f0039863244583ed3d. 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/NZVP00801427.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2ed591cc852b1323eb92e13ef4798f0c6a5f2e1c1a836c0538bdf5b1fc726c3. 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/NZSZ11600002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc228e8056fbe0f0b1e79c80fb27b19904dc3f2d850a4072096c821cfae44c6cb. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/NZSZ11600003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x057bc0da7e329414de20ca8eedca28ac26ddc8d94a6951c6f6ec73cee9fef20c. Chain 2 (Bitcoin): anchored in block 958721 (2026-07-19T11:02:33Z), 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/NZSZ11600011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93219b7f14f13d7a9202d5ebb7157feece1f4ea9b1b0b475ed9cba60ea633cc6. Chain 2 (Bitcoin): anchored in block 958793 (2026-07-19T22:59:45Z), 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/NZSZ11600014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22a1d507014d63fc4101448acbd95bdb597e35b2375a7a00f7f1097dc1110162. Chain 2 (Bitcoin): anchored in block 958185 (2026-07-15T18:19:04Z), 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/NZSZ11600017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe8a9775e2dad94a3004ff0ba8ab841a5768a6d51cbb9b8bb6589aba80add9d8. Chain 2 (Bitcoin): anchored in block 958362 (2026-07-17T04:32:48Z), 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/NZSZ11600018.