Heleen is a Dutch version of the feminine given name Helena. People with the name include: Heleen Aafje Boering (born 1964), Dutch water polo goalkeeper Heleen Van Arkel-de Greef (born 1965), Dutch c
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 0xa6c08df5a4747dcbc59d8d64aa1fae7a39f2cc5e509a2aaf92221f51afe687fb. 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/7a913178-ed9d-4c7c-8826-36572d286206.json and https://artists.proofprofile.net/proofs/artist/7a913178-ed9d-4c7c-8826-36572d286206.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 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 0x5af3fad33c8da2a4544c6057f0b280c898fb6dd9d1e748fe4a50e9a91de7098e. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/QZTL92346673.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1024b00b84d0fe310acec4c2ef314288ecfc177b78c13d48927b7be62b5630f. 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/CA6D22300031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc592049c5353efc6240fea65184bcd5d6ec8de10905fe5b8fff19ebeee6da45. 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/NLQ8D1900273.
City of Starlight (feat. Heleen) - EMKR Remix
City of Starlight (feat. Heleen) [EMKR Remix]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62f12055eb9aa8723816d01d88a20a3baf8f9aa9662dfb00b4da4c10ae0afed6. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/NL5UG2200101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5649d83f3b28235da7a5e3c9c3bcaceb2c15393227e097a42e81682f4ed54ce7. 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/NLQ8D2200364.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1024b00b84d0fe310acec4c2ef314288ecfc177b78c13d48927b7be62b5630f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/CA6D22300031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fb8f3ec22f8676dcf94be283b60c9546512f1cc2272ecbecad89e5eac433ee2. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/NLQ8D2101902.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7e354c90a89f1b396f45d6cf6fca7eb6a402491b9fde740e6c4d03e5e49edd2. Chain 2 (Bitcoin): anchored in block 960106 (2026-07-29T12:41:21Z), 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/NLQ8D2101904.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd11ea01beb94fae9482431950aa355df216aab409d24ad4ce75e1e3cdca5edd. 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/ES61A1815501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fb3574820dcc791416a289887d738ed34ae6aefe6b3d27a249ce044579d7697. 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/DEN062200625.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e80fc4a2d94b6e7130bfc4767e783525b7b9c45c731d4ceb3166eb61ffdf111. Chain 2 (Bitcoin): anchored in block 958041 (2026-07-14T18:13:17Z), 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/NL5UG2100008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a45251a50be17de748954420182c970670adf61a5e4c8555918f9232cb332f9. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/NLRD51808144.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0fd84261593f9be7824cef8123294544763baba8cf863a6d53dcc793682689c. 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/ATEK02077128.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f89656c6759a46b98b72b3f1143b61d5c7de55d46235d0689bae454402db38b. 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/DEYQ92000023.