Mihaela Valentina Runceanu (4 May 1955 – 1 November 1989) was a Romanian pop singer and vocal techniques teacher. She became a successful vocal singer, her voice being highly appreciated in Romania. M
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 0x8510d70ce94afe93f5d2cb54c52825b247cc698a18a58bbb0584cdc516aed584. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e718a58e-7d69-49b5-b2ad-42f3aceb5193.json and https://artists.proofprofile.net/proofs/artist/e718a58e-7d69-49b5-b2ad-42f3aceb5193.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 0x4f7d14fa2585f131d8ddc0ebafeee1b1a45c7e1cd0d84e3debb7a27587c57c7f. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/ROB010803891.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4c07794c805c4382e9ca983b6315fb759287e9a8b21e5db2caa7c99a9f3ba2f. Chain 2 (Bitcoin): anchored in block 958202 (2026-07-15T23:55:24Z), 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/ROB010803903.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff4141eabd66c201ffae10cdded1c79352ddc03c1b794fbef85d4a4a7d15f9e2. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/ROB010803905.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd32915d8f6d5eb7a528a88a7ef26cbbc357582ff2b0718f499d5820f7d46d6d4. Chain 2 (Bitcoin): anchored in block 958891 (2026-07-20T16:09:22Z), 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/ROB011120691.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc09243db6149484700a9c3f890016020f2c360cceec82ac5dcf1fd1060105908. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ROB011120700.