Robert Irving may refer to: Robert Irving (industrialist), 20th- and 21st-century Canadian industrialist Robert Irving (conductor) (1913–1991), orchestral conductor, son of Robert Lock Graham Irvin
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 0x154fdfb869597337608fc056414f1394830f38ba3352547085765426632ae96b. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1c7c0f28-6f38-4326-89e3-ce6f2c1fd4ed.json and https://artists.proofprofile.net/proofs/artist/1c7c0f28-6f38-4326-89e3-ce6f2c1fd4ed.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Nathan Milstein Plays Tchaikovsky & Rimsky-Korsakov (Remastered 2022)
Jorge Bolet playing the Music of Franz Liszt (Transferred from the Original Everest Records Master Tapes)
Respighi: La boutique fantasque (Remastered)
Jorge Bolet Plays the Music of Franz Liszt
Liszt: Sonata S. 178 & Piano Concerto No. 1
Popular Classics - Chopin, Les Sylphides. Schumann, Carnaval
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 0xa7be49fdbec93de51d3af2283f7c6720a94711a29f83cdf47638b8162e626d47. 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/GB67V1122653.
Chopin: Les Sylphides - Schumann: Carnaval (Remastered)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8408d8406ed15c3e5dc6d50fcd8e32839cf3f1b7586ae4f78d89eb5d1b19016b. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USAR20101308.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6032ca52c55f6e13e2b8b9680e68d9b523fff5b40d3efe2ffe82c1ca3e95b124. Chain 2 (Bitcoin): anchored in block 960106 (2026-07-29T12:41:21Z), 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/USAR20101309.
Schumann: Carnaval - Chopin: Les Sylphides Ballet Music
Schumann: Carnaval - Chopin: Les Sylphides
Schumann Carnaval & Chopin Les Sylphides
Scarlatti: The Good Humoured Ladies - Bach: The Wise Virgins
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc77305b880a314cd89d46d7ce0eae2ac6348d3325dea3e66f7cd4e4a8a482eb. 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/GBLGL1026152.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ccdf4f88e2fdee082c89b9a70fcc0f6a3d5d19615d481cb4446a71791ac3b6b. Chain 2 (Bitcoin): anchored in block 960429 (2026-07-31T16:07:24Z), 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/GBLGL1026155.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f9738494f918e1e8606f58c3759c7aeb7e8771bca403f71467191868baa0714. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/GBLGL1026156.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81508449e3d3c2ec8872af92227a01729ad01ac17d03fcf3b33128735e1e9612. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/GBLGL1026159.
Massenet: Le Cid / Meyebeer: Les Patineurs
Bliss: Checkmate - Britten: Matinees & Soirees Musicales - Lambert: Horoscope; Valse of Gemini
Chopin / Orch. Douglas: Les Sylphides: Overture after Prelude in A Major, Op. 28 No. 7
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a9529b1eae64cee18aeb644ca9077a61d3debb4ed8f7e3302e407c94989daa6. Chain 2 (Bitcoin): anchored in block 960183 (2026-07-30T01:10:20Z), 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/GBAYC9400709.
Preludes, Op. 28: No. 7, Andantino in A Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e5c2fd1d7513497332c345cd3a4885251811bb0e3e633445aa749fd513005f0. 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/GBAYC2102462.