Alessandra Ammara (born Florence, Italy, 1972) is an Italian classical pianist and piano teacher. Biography Alessandra Ammara performed at Musikverein in Wien,Webpage of Ammara's concert in Musikvere
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 0x2f1d781fa537f42fbc4c5be7baa4e4bf2fc22b8b2a5a6595729b02ec86505c56. Chain 2 (Bitcoin): anchored in block 953963 (2026-06-16T15:12:33Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/27ceb475-43c1-4120-a893-925a6078ef08.json and https://artists.proofprofile.net/proofs/artist/27ceb475-43c1-4120-a893-925a6078ef08.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Johannes Brahms: Complete Violin Sonatas
Mendelssohn: Concertos For Two Pianos MWV O 5 and 6
Le Quatro Stagioni, L'inverno - Winter, I - Allegro non molto
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 0x185bf77be1cb8bfcab99c18e6cd19acdc9e1729c573419704d66b4563fe57fa8. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/GBCRW9636910.
Compositrices: New Light on French Romantic Women Composers
Orchestre National Du Capitole De Toulouse
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1e24be7709ac0304771da2ba024735885c107d7f699f3840a3a1f473822aec4. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/ITJXZ2300201.
Six pièces romantiques, Op. 55: No. 1, Primavera
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48f03832f6d96ef936c0548e62665b3c199d09f38ecfd8c25690869bd557c233. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/ITJXZ2300222.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa4b73b4d6e2e57ba7ef4209466a878a32373e5484c0e1d5223e9c68dc314b1f. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/ITJXZ2300202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x999a39a499b13d57ea96c4ab9de210a3bd4daaf964f579729c5121479acc4bb6. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/ITJXZ2300203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a4dc91a15501251fdebf29fd5063a3debfb3d70e568f0d35926c3cb23b75968. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/ITJXZ2300207.
Petits Poèmes au bord de l’eau: No. 2, La Barque
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22d9a942c5d5f5c6389426a738b3f5f22d2da4f02c69b1db42f1139000753e3a. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/ITJXZ2300210.
Six pièces romantiques, Op. 55: No. 3, Idylle arabe
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d079e9e511c3a40d47806ce094d8fef7a405e9878a6060ad68d49a9746da08f. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/ITJXZ2300224.
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
Debussy: Préludes Book I, Images Book I, Nocturne
Complete Works For Piano Four Hands And For Two Pianos
Schumann - Album für die Jugend (Album for the Youth)
Carnaval Op. 9, Davidsbündlertänze op. 6
Six pièces romantiques: No. 5, Danse hindoue
Lieder ohne Worte, Op. 85: No. 6 in B-Flat Major. Allegretto con moto, MWV U 155
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90dc0313a8595ba8a68586ea29204d77aade1b649bb8c2ef803e9567e8fb0a28. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/ITUM70800711.
Lieder ohne Worte, Op. 102: No. 1 in E Minor. Andante un poco agitato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcdec4442ee4fe93ed6f237bece78eb67ad391c7f96c89c3550d0a985b5b04c6. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/ITUM70800712.
Lieder ohne Worte, Op. 53: No. 5 in A Minor. Allegro "Folk Song", MWV U 153
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2881039f37c9da3fe1dff6b212be03a0db0b7bf7351bf2299846e713f4444da1. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/ITUM70800691.
Lieder ohne Worte, Op. 62: No. 3 in E Minor. Andante maestoso "Funeral March", MWV U 177
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x249b138a9be9b58312fd697a1d4d67dcb500b2e8a3ea7ec147caee92dc936570. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/ITUM70800695.
Lieder ohne Worte, Op. 62: No. 5 in A Minor. Andante "Venetian Gondola Song", MWV U 151
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec9ebceea0f2caecfdb85e738202308964ef8c66cf413ec30babe7e69a2ae2a1. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/ITUM70800697.
Piano Concerto No. 1 in E Minor, Op. 11: I. Allegro maestoso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27338a5975486d2f24e68aa2cbf57c6d69543d798e7fe899571ddee7af313922. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/NLY331505366.
Grande fantaisie sur des airs polonais in A Major, Op. 13
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9e48919ed473fd24c4b212199a7cbcf0e2b3d984e19d9e3161d8a3c9d112b5e. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/NLY331505373.
20th Century Italian Piano Music, Vol. 1
Goffredo petrassi integrale delle opere per pianoforte
Finest Music Selection: Declaration of Love