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 0x2721fcf54b8a345bc2e4e2ce530e26d0ccc182a4b8fb104e0fcb1eb12357d9ac. Chain 2 (Bitcoin): anchored in block 953959 (2026-06-16T14:51:55Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/27ce481f-4581-456e-ac5b-6d3e8df15044.json and https://artists.proofprofile.net/proofs/artist/27ce481f-4581-456e-ac5b-6d3e8df15044.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Piano Concerto in F Major: I. Allegro - Remastered 2023
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 0xdcaacee71ec45f7cff6774dd34399a6933abd44b50507787646ebe53651bc130. Chain 2 (Bitcoin): anchored in block 960250 (2026-07-30T11:13:28Z), 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/HKI192317701.
Piano Concerto in F Major: II. Adagio - Andante con moto - Remastered 2023
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d33f541818f3476438446d46e1213d04feb28115ee0f9673d77fdcad5d8f466. Chain 2 (Bitcoin): anchored in block 960352 (2026-07-31T05:48:30Z), 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/HKI192317702.
Piano Concerto in F Major: III. Allegro agitato - Remastered 2023
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebd7ba37124629527b360542085e72870f1387395078f62473371fe8f6549b46. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/HKI192317703.
Variations on "I Got Rhythm" - Remastered 2023
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa453fb53534b4f643f054e1b9951111d757770d8f2e7c02c6e2ffa09caa8edf9. 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/HKI192317705.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64aeb193f73596b84bca8780e6c256364e97fdaaf63cc910db4aac079bf4471c. 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/HKI192317706.
3 Preludes: No. 2, Andante con moto e poco rubato - Remastered 2023
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e7602e691ee245b4ba4b38e0beda5896a780d5a0136de7e8348903fede797e3. 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/HKI192317708.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa918f1d9e9b786d1091f175d22e983cccce32cb31ba103e9441d4da1ef7ccb7e. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/HKI192317710.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c8a44534e464643ebaf6f588a6d9d6430b4683d73d5c7c217d303fc48f1a7fb. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/HKI192317712.
Three-Quarter Blues "Irish Waltz" - Remastered 2023
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0b821567ab92c3920c2d4cc808cab1be6d2c2c08b040785a200beb2a6433853. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/HKI192317713.
Someone To Watch Over Me (Arr. Keith Jarrett)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x632f882ce322274b657f7e1515c8d11d3d13c271074a58a215c5cb917a05c9ab. 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/AUAB01250644.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x161639c5df0a3f7068ba5dfe1c1d9b6cde4a97611d0cd269748e0b59f2d6d4e0. Chain 2 (Bitcoin): anchored in block 959107 (2026-07-22T07:19:23Z), 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/AUAB01250653.
Rhapsody in Blue (Arr. Firth for 2 Pianos)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x374034e6f4be8a820ce83bed719a5ad65d2338cedc844f5239d1f0c348fa722e. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/GBBBC2301559.
Someone to Watch Over Me (Arr. Firth for Piano) - From "Oh Kay!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6f0a994d4a8a3c5ebce2946358bf82fc95bd4faf862ad81fd5cf9db2e8465a7. 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/GBBBC2301560.
Someone to Watch Over Me (Arr. Feinstein for Voice & Piano) - From "Oh Kay!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47be83bf7542dccfccc691668ab633585d64b41b9a69f429e3f03688fc924d7a. 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/GBBBC2301561.
I Got Rhythm (Arr. Firth for 2 Pianos) - From "Girl Crazy"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f7b24f6f995ced50d663b195c4827bd6806ebbe97f2e003968ee50f7c531346. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/GBBBC2301562.
Embraceable You (Arr. Feinstein for Voice & Piano) - From "Girl Crazy"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34589adea4a936a59c566a76e9b28b86c8bc40a59d947827fba9f3627d163bb6. Chain 2 (Bitcoin): anchored in block 960193 (2026-07-30T02:05:19Z), 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/GBBBC2301563.
7 Virtuoso Etudes: No. 4, Embraceable You (after G. Gershwin)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe44774ed5cc9e5c541244a8ff6f08532728e3d0e6f972ed40608d58ebe2f0cfd. 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/GBBBC2301564.
Sweet & Lowdown (Arr. Firth for 2 Pianos) - From "Tip Toes"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8acc622548549b7a32c3acdb131347ab8e0199c3b42e977bd727cb7a1420c3f1. 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/GBBBC2301565.
Clap Yo'Hands / Fascinating Rhythm (Arr. Firth for 2 Pianos) - From "Lady Be Good" & "Oh Kay!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x014b92052bdced2ca26a699ea53223a7010ac676d140335fc5132cbb1fb37f57. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), 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/GBBBC2301566.
They Can't Take That Away from Me (Arr. Feinstein for Voice & Piano) - From "Shall We Dance"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b7e1cfce7714d6d2314fc9876e541b323a6cc19df546450c3667b1ac9e5ae28. 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/GBBBC2301567.
They Can't Take That Away from Me (Arr. Firth for Piano) - From "Shall We Dance"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x836307a719323c965bad4b7f4303c53e825680bf79ff0d972107035df1892e2f. Chain 2 (Bitcoin): anchored in block 960381 (2026-07-31T09:50:11Z), 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/GBBBC2301568.
The Man I Love / Rhapsody in Blue (Arr. Firth for 2 Pianos) - From "Strike Up the Band"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b100a51594ad9cca1ce42e6832e94f19e9278a9cd8d774edd0f3425b7dd7346. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/GBBBC2301569.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb119c3ae5e58400970eee1c0f7cfd6e0ea83553f06b99a420c60fbec8067d450. 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/GBBBC2301570.
Sleepless Night (Arr. Firth for 2 Pianos)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5a599424901df2f81344abcda7e59b59fa901738521694cbb1e714aded3c788. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/GBBBC2301571.
Graceful and Elegant (Arr. for Piano) - From "Shall We Dance"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5aed7be98cf72ae90d1623eede3cc7e2cd069aa390fedc1e3a020f142b04b47. 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/GBBBC2301572.
Our Love is Here to Stay (Arr. Firth for Voice & 2 Pianos) - From "Goldwyn Follies"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0b5fd07bb6ac94a070441efb159d4e5e46e21c1fb3e97d1285f2561f9b1eedc. 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/GBBBC2301573.
Dance of the Waves - From "Shall We Dance"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc44a10af5b35fd13adfe4bae38464f9d0b648a9ab948889183dbcf21bccf6b2d. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/GBBBC2301574.
Rialto Ripples (Arr. Firth for 2 Pianos)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58c2dfe14e48ab7450d7318faa03b601649b6dba7375b4a540cd29af57dba73c. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/GBBBC2301575.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff9593a325b07b12ba47acf4d8ad73540b62d3d3670cfa8f89ff8b17d123ad95. 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/GBBBC2301576.
Under the Cinnamon Tree - From "East is West"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2292d7a789f9feaa60634560f4948ee52a228f7dc6746095b85c52b93c946394. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/GBBBC2301577.
Jasbo Brown Blues (Arr. Firth for 2 Pianos) - From "Porgy & Bess"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4a61ac2849a7860a79117fce860a743c3fe3aab2b55e3b498d35c91202e7062. 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/GBBBC2301578.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6edf8b5f689420fc11acd183d0d5d5cc522f23eef42839538205947b35280ff. 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/GBCJG9900291.
George Gershwin's Song-Book: No. 1. Clap Yo' Hands
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17ae02b29df48641e6d69fc503d43168eb9b4fd05882328cf66292db973e6487. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/ITBZ81605653.
George Gershwin's Song-Book: No. 2. Do-Do-Do
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d5654b0bf15a601202ee962da7e671cc629e0cb846f0d700f75ca38440afffd. 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/ITBZ81605654.
George Gershwin's Song-Book: No. 3. Do It Again
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14f5fb8fed151e4eecc6ffb53efc654917467e38c61afde0351ebea7144bd929. 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/ITBZ81605655.
George Gershwin's Song-Book: No. 4. Fascinating Rhythm
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93cea3e95b29e48734d48932a9f016529e52ba354a72666ee7dd1f7478b9376d. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/ITBZ81605656.
George Gershwin's Song-Book: No. 5. I Got Rhythm
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf16044b50dcc8977aa55a6cc1acaa42704b0018f566b8e3592d30472460cf4cb. Chain 2 (Bitcoin): anchored in block 960296 (2026-07-30T19:11:09Z), 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/ITBZ81605657.
George Gershwin's Song-Book: No. 6. I'll Build a Stairway to Paradise
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2acd1982dd7d27495b4cc05285e81e0007cf34d53cd646bef48794d552ce4ecb. 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/ITBZ81605658.
Porgy and Bess, Act I: Jazzbo Brown Blues (version for piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x674df7ad0f479b102f0901e04a1cbaa243f367a1c8519dfb29cf46b23d350171. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/ITBZ81605659.
George Gershwin's Song-Book: No. 7. Liza (All the Clouds'll Roll Away)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49e47431debf7f45cd86adecce40a6278704dc7cae6bfd496da4491bb3a39f70. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/ITBZ81605660.
George Gershwin's Song-Book: No. 8. The Man I Love
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81b0901c6cb0765c99d486e085fe1f58f5aadbe450e6ea0058bb682fe713e99e. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/ITBZ81605661.
George Gershwin's Song-Book: No. 9. My One and Only
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7eeb622ddd95f32564bece7598113058b5b959acb009f521eaa60b9b01980de1. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/ITBZ81605662.
George Gershwin's Song-Book: No. 10. Nobody But You
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fddd47de29ddfcb680003781918e0d6698f4f9b53b92dbee0bcc61dd207d307. Chain 2 (Bitcoin): anchored in block 960354 (2026-07-31T05:48:18Z), 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/ITBZ81605663.
George Gershwin's Song-Book: No. 11. Oh, Lady Be Good
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed21ae74d8c1a17bafc4a11eef0bbe2defb3c070f80875441fe30f396daa3c3d. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/ITBZ81605664.
George Gershwin's Song-Book: No. 12. Somebody Loves Me
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3 Preludes: No. 1 in B-Flat Major: Allegro ben ritmato e deciso
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3 Preludes: No. 2 in C-Sharp Minor: Blue Lullaby: Andante con moto e poco rubato
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3 Preludes: No. 3 in E-Flat Minor: Spanish Prelude: Allegro ben ritmato e deciso
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Promenade, "Walking the Dog" (version for piano)
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George Gershwin's Song-Book: No. 13. Strike Up the Band
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George Gershwin's Song-Book: No. 14. Swanee
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George Gershwin's Song-Book: No. 16. 'S Wonderful
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George Gershwin's Song-Book: No. 17. That Certain Feeling
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Rhapsody in Blue (feat. Eric Jacobsen & Virginia Symphony Orchestra)
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The Girl Friend (Colchester Theatre Cast) [2021 DigiMIX Remaster]
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Italian Saxophone Quartet: Four Seasons of Buenos Aires
Las 4 estaciones portenas (arr. F. Mondelci, M. Gerboni, M. Marzi and M. Mazzoni): III. Otono Porteno
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Tangata, "Silfo y Ondina": Fugata (arr. F. Mondelci, M. Gerboni, M. Marzi and M. Mazzoni)
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Rhapsody In Blue (arr. F. Mondelci, M. Gerboni, M. Marzi and M. Mazzoni)
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Gershwin, G.: Musicals (Arr. for Piano) (Gershwin: Remembrance and Discovery, Vol. 2)
The White Peacock - American Collection, Vol. 1
'S Wonderful: The 20s & 30s in the Americas