Sinfonieorchester des Suddeutschen Rundfunks
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 0x1967ed6c9c046e04694daf41e6ad768d329ce077c4fc61c76e5a6ad38b236748. Chain 2 (Bitcoin): anchored in block 953588 (2026-06-14T04:52:46Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/01ddcce5-b2a1-4e1a-86ca-517502bd6c7d.json and https://artists.proofprofile.net/proofs/artist/01ddcce5-b2a1-4e1a-86ca-517502bd6c7d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bellini: Il pirata, Act 2: "Col sorriso d'innocenza" (Imogene) [Live, Hamburg, 1959]
North German Radio Philharmonic Orchestra
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 0x9ed98d51080251a473109a42f6fc983743c593956e33d2cb44363f6e7b2eaac1. 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/GBPFW2300012.
Bach, Mozart, Beethoven & Others: Violin Concertos
Fritz Wunderlich: Arias from the 20th Century (Live)
Sacred Masterpieces Stuttgart Gachinger Kantorei, Stuttgart Bach Collegium, Rilling
Verdi: Macbeth (Sung in German) [Recorded 1951]
Beethoven: Piano Concerto No. 2 in B-Flat Major, Op. 19 (Live)
Mozart: Symphonie No. 41 "Jupiter" (Mono Version)
Sinfonieorchester des Süddeutschen Rundfunks / Eduard Erdmann spielen: Ludwig van Beethoven: Klavierkonzert Nr. 3
Fricsay: Complete Recordings on Deutsche Grammophon, Vol. 1: Orchestral Works (Pt. 3)
Legendary Pianists - Famous Piano Concertos
Dokumente einer Sängerkarriere - Horst Günther
Paisiello: Les adieux de la Grande-Duchesse - Boccherini: Sonates pour violon et piano & Menuet (Mono Version)
Ludwig Van Beethoven : Christus am ölberge, Op. 85