Ducci () is an Italian surname. Notable people with the surname include: Brunetto Bucciarelli-Ducci (1914–1994), Italian politician and magistrate Chiara Bucciarelli-Ducci (born 1976), Italian card
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 0x6f00b9e1f054f2842970e7108e69f09306beccd580201c757ed19543741d542b. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a6f0fe78-6c87-4096-9d34-0fbd0bf62818.json and https://artists.proofprofile.net/proofs/artist/a6f0fe78-6c87-4096-9d34-0fbd0bf62818.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Leb Deinen Traum (Digimon) [Piano Version]
Leb Deinen Traum (Digimon) - Piano 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 0x777b0a9755367c709fbe69aecf34c8b8eae1751bc687a98a50b1ae070246047f. Chain 2 (Bitcoin): anchored in block 956404 (2026-07-17T03:54:37Z), 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/QZMEP2263458.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x530d5c0cf59a8b6921c31ccf1a0a1ceb3f63ecd312f07495bbd90092eed1b11d. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QZFYZ2390604.
i'll be there for you (Friends) [Piano Version]
no hay nadie más (my only one). [Piano Version]
love in the dark - piano & strings version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f0b0d4322ecbc770077617bf068a3760929f13eceb239991b92ce43483eabf5. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZWFP2466354.
somewhere in my memory (from "Home Alone")
this is what it feels like (piano version)
always remember us this way (piano version)