Georg Schumann may refer to: Georg Schumann (composer) (1866–1952), German composer Georg Schumann (footballer), German international footballer Georg Schumann (resistance fighter) (1886–1945), Ge
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 0x496f079285af600a62e471a392a9cc3f73a190682107f6c133cd25299a7beebb. Chain 2 (Bitcoin): anchored in block 954615 (2026-06-20T22:44:50Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c60eb953-ada7-45ea-b451-cca8154e1e22.json and https://artists.proofprofile.net/proofs/artist/c60eb953-ada7-45ea-b451-cca8154e1e22.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Schumann: 3 Chorale-Motets Op. 75 & 5 Chorale-Motets Op. 71
Georg Schumann: Symphony in B minor - Serenade, Op. 34
Georg Schumann: Piano Quartet, Op. 29 & Cello Sonata, Op. 19
G. Schumann: Symphony in F Minor, Op. 42 & Overtures
G. Schumann: 3 Motetten, Op. 52: No. 2, Das ist ein köstliches Ding
3 Motetten, Op. 52: No. 2, Das ist ein köstliches Ding
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 0x1aa691952dedca4d0e6d8feac1695e78883fc0c5955dfd8f3569c2aa192fad1f. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/DEB112305116.