Gertrude "Getty" Kaspers (born 5 March 1948) is an Austrian-born Dutch singer. She was the lead vocalist of the Dutch band Teach-In, with whom she won the Eurovision Song Contest 1975 with the song "D
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 0x1b5362cf02f9aec196c6cc4147f3851d0480e8c954d2022cc062dec9cf4050bd. Chain 2 (Bitcoin): anchored in block 954631 (2026-06-21T02:46:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d1009608-c3ac-406d-ae51-4dfb61ece78d.json and https://artists.proofprofile.net/proofs/artist/d1009608-c3ac-406d-ae51-4dfb61ece78d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ding-A-Dong (The Sun Is Up In The Sky) [New 2025 Anniversary Version]
Ding-A-Dong (The Sun Is Up In The Sky) - New 2025 Anniversary Version
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 0x2b7946597382e3a654c8b6c221d1c97786881f115ab86e8409b4145d5ecaa505. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/ESA012555087.