Gloria Coates (née Kannenberg; October 10, 1933 – August 19, 2023) was an American composer who lived in Munich from 1969 until her death. She trained and worked also as actress, stage director, singe
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 0x73d83f145667da6fe1b125690c5f535dbb4e4c89b1ee14111e3e0a5ab1f4b9ed. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5d890683-76ab-4187-90d5-ec947b6e72bf.json and https://artists.proofprofile.net/proofs/artist/5d890683-76ab-4187-90d5-ec947b6e72bf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Gloria Coates - Music on Open Strings / String Quartets Nos. 1, 2 & 4
Coates: Symphony No. 2 "Music in Abstract Lines", Homage to Van Gogh, Anima della Terra & Time Frozen (Live)
Gloria Coates: String Quartets Nos. 1, 5 And 6
Coates, G.: String Quartets Nos. 1, 5 and 6
Coates, G.: String Quartets Nos. 2-4, 7 & 8
Gloria Coates: String Quartets Nos. 2, 3, 4, 7 And 8
Coates, G.: Symphony No. 15 / Cantata Da Requiem / Transitions
Coates: String Quartet No. 9 - Sonata for Violin Solo - Lyric Suite