1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5e781c82f481e6d1e614ac9ea626833114abf334405f350d1f64286ecc1b2b6. Chain 2 (Bitcoin): anchored in block 953827 (2026-06-15T19:59:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fcfffdb1-c391-48b5-820d-da469e11350c.json and https://artists.proofprofile.net/proofs/artist/fcfffdb1-c391-48b5-820d-da469e11350c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Michelangelo 70 (arr. A. Liarmakopoulos for trombone, bandoneon, piano and double bass)
Histoire du Tango (History of the Tango): II. Cafe 1930 (arr. A. Liarmakopoulos for trombone and guitar)
Histoire du Tango (History of the Tango): III. Night club 1960 (arr. A. Liarmakopoulos for trombone and marimba)
Soledad (arr. A. Liarmakopoulos for trombone, bandoneon, piano and double bass)
Le Grand Tango (arr. A. Liarmakopoulos for trombone and piano)
Oblivion (arr. A. Liarmakopoulos for trombone, piano and double bass)
Escualo (arr. A. Liarmakopoulos for trombone, bandoneon, piano and double bass)
Serie del Angel (arr. G. Senanes): I. La muerte del angel
Serie del Angel (arr. G. Senanes): II. Milonga del angel
Serie del Angel (arr. G. Senanes): III. Resurreccion del angel
Michelangelo 70 (Arr. A. Liarmakopoulos for trombone, bandoneon, piano and double bass)
Histoire du Tango (History of the Tango): II. Cafe 1930 [arr. A. Liarmakopoulos for trombone and guitar]
Histoire du Tango (History of the Tango): III. Night club 1960 [arr. A. Liarmakopoulos for trombone and marimba]
Soledad (Arr. A. Liarmakopoulos for trombone, bandoneon, piano and double bass)
Le Grand Tango (Arr. A. Liarmakopoulos for trombone and piano)
Oblivion (Arr. A. Liarmakopoulos for trombone, piano and double bass)
Escualo (Arr. A. Liarmakopoulos for trombone, bandoneon, piano and double bass)
Serie del Ángel: I. La muerte del angel (Arr. G. Senanes for trombone and string quintet)
Serie del Ángel: II. Milonga del angel (Arr. G. Senanes for trombone and string quintet)
Serie del Ángel: III. Resurreccion del angel (Arr. G. Senanes for trombone and string quintet)
Ave Maria, "Tanti anni prima": Tanti anni prima, "Ave Maria" (Arr. For trombone and harp)
Chinese Suite: I. Gate of An Ancient Castle
Amor y Odio (From "Tonadillas al Estilo Antiguo")
El Majo Discreto (From "Tonadillas al Estilo Antiguo")
La Maja Dolorosa No. 2 (From "Tonadillas al Estilo Antiguo")