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 0xd5ed457bfb69333c74d592c2718b1f40b7b0093ac3884188eec1dad8e6cb208e. 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/3542dd1a-3163-41db-9f09-67e4b97eca9b.json and https://artists.proofprofile.net/proofs/artist/3542dd1a-3163-41db-9f09-67e4b97eca9b.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
The Sound Of Silence (Happy Hardcore Game Tronik Mix)
The Sound Of Silence - Happy Hardcore Game Tronik Mix
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 0xa4d9fa59328b6a413649c3226dd086b80a60db727620f2de8ee1cf0c27cf9d17. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JP7411900941 — a six-check JSON result.
Castle In The Sky (Happy Hardcore Game Tronik Mix)
Infinity (Happy Hardcore Game Tronik Mix)
Sweet Dreams (Are Made of This) [Happy Hardcore Game Tronik Mix]
Seven Nation Army (Happy Hardcore Game Tronik Mix)
Insomnia (Happy Hardcore Game Tronik Mix)
Smalltown Boy (Happy Hardcore Game Tronik Mix)
Dancing With Tears In My Eyes (Happy Hardcore Game Tronik Mix)
Seven Nation Army (M4suka Hard Dance Mix)
Struggle For Pleasure (Happy Hardcore Game Tronik Mix)
On The Move (Happy Hardcore Game Tronik Mix)
Living On Video (Happy Hardcore Game Tronik Mix)
Soleado (Happy Hardcore Game Tronik Mix)
Sounds Like A Melody (M4suka Hard Dance Mix)
Pirates of the Caribbean (Happy Hardcore Game Tronik Mix)
Pirates of the Caribbean - Happy Hardcore Game Tronik Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x141a0eb7855428af942068208bd5942fee16b7478b04a88ae3355dabfcd2c0eb. Chain 2 (Bitcoin): anchored in block 958169 (2026-07-15T16:16:18Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JP7412104001 — a six-check JSON result.
Outside World (Happy Hardcore Game Tronik Mix)
Outside World - Happy Hardcore Game Tronik Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c91d02c16a016a124e22cae8665ed7ebff9f052a936c60daacc9bf9d6a0b6fc. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JP7412104943 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x141a0eb7855428af942068208bd5942fee16b7478b04a88ae3355dabfcd2c0eb. Chain 2 (Bitcoin): anchored in block 958415 (2026-07-17T12:50:13Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JP7412104001 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4d9fa59328b6a413649c3226dd086b80a60db727620f2de8ee1cf0c27cf9d17. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T09:47:57Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JP7411900941 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c91d02c16a016a124e22cae8665ed7ebff9f052a936c60daacc9bf9d6a0b6fc. Chain 2 (Bitcoin): anchored in block 958996 (2026-07-21T10:57:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JP7412104943 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a200c1856608f48fc227509ffe894d108a71300a2281f198bd02aec5560ea08. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JP7412165650 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebcfbfe18a9c0dc7635402865ac5510169345735e5341201222bc6a41777d214. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T15:55:19Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JP7412488101 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccad8f2ffa3b6f58632d566ae1fb0419f9c3b76f617d63ae3f1344aa72b751d0. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX762539201 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fad3168aba36d385e760681d0740ff03c60211eafd33f8939b282b788a0f3d9. Chain 2 (Bitcoin): anchored in block 958342 (2026-07-17T01:09:53Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITYVC2544452 — a six-check JSON result.