Raymond John Leppard (11 August 1927 – 22 October 2019) was a British-American conductor, harpsichordist, composer and editor. In the 1960s, he played a prime role in the rebirth of interest in Baroq
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 0x9c104a2733b1449508da2925c3742cd9bdba81c173cb970f93c14a13c30c3ecf. 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/85d6fa95-4871-4259-ae0c-08fe9826e538.json and https://artists.proofprofile.net/proofs/artist/85d6fa95-4871-4259-ae0c-08fe9826e538.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x6c8711aa899d4787d0bbffc6e8b93f6637618135de1cf3e11df34b9c8bea4ba8. 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/NLA508323401.
Dido and Aeneas / Act 1: "Shake the cloud from off your brow"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x111ae3261375faeaebe01ef01b88a31eb61907090227e4a82e1087626fd35542. 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/NLA508323402.
Dido and Aeneas / Act 1: "Ah! Belinda, I am prest with torment"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b95f1039ff5cb78ddd11d13a2a55cfd81f10d2063244c1384b4565cc42f24cd. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/NLA508323403.
Dido and Aeneas / Act 1: "Whence could so much virtue spring?...Fear no danger"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bc4e393058dab837b1799fa7fc457521bf5d0bfa8faa104e7273e6d20704278. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/NLA508323404.
Dido and Aeneas / Act 1: "See, your Royal Guest...If not for mine...To the hills and the vales...The Triumphing Dance
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74099e81e2e6c167e997a9d855c0f2eb27ef36a564cbf050054167dfa7ec73b7. 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/NLA508323405.
Dido and Aeneas / Act 2: Prelude for the witches
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5a7b73e2adbc028078f250a30297fdde6dfe1f43260adb5acf9086ecf13b8ee. 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/NLA508323406.
Dido and Aeneas / Act 2: "Wayward sisters...But ere we this perform"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe60cb52d041d47d6bcd4573da3da8d432f49579356a4555833a62c6dfac4fc3d. 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/NLA508323407.
Dido and Aeneas / Act 2: "In our deep vaulted cell" - Echo Dance of the Furies
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f2063d1a4dc8852391c01c5b5ab5618e208f6ddc8a61ea7bc1038faf54b62bc. 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/NLA508323408.
Dido and Aeneas / Act 2: Ritornelle - "Thanks to these lonesome vales"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c1e08dd6c3e3cd659925c3522bdfc79a8468602ebf0145ebb0052e1fc874f4b. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/NLA508323409.
Dido and Aeneas / Act 2: "Oft she visits...Behold, upon my bending spear"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f54c8d6ae3d046ded55d30475230f36bb59eeeb4aee060daf418a18064e4a77. 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/NLA508323410.
Dido and Aeneas / Act 2: "Stay, Prince...Jove's commands shall be obey'd"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee36cdfd1cec1470368268d55d5dd91cd8dca6c779c7b9824860007a414b84a0. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/NLA508323411.
Dido and Aeneas / Act 3: Prelude - "Come away, fellow sailors"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcb202b7f98e1b55d829324f2748f64bbc9d46ebbe10467605ca2a27f83f1b9d. 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/NLA508323412.
Dido and Aeneas / Act 3: The sailor's Dance..."See the flags...Destruction'sour delight" - The Witches' Dance
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6bee5e8820e1b805818c9ba09be3f3907deedb04abdb2ce114df2d29d630232. 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/NLA508323413.
Dido and Aeneas / Act 3: "Your counsel all is urged in vain...But death, alas"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd80573728372e7bd0b60d4fbefe33b8bd6b815dbdbd3d3111f0599248496f739. 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/NLA508323414.
Dido and Aeneas, Z.626 / Act 3: "Thy hand, Belinda...When I am laid in earth"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d0a4a9241897ff53adaa055404e90e5d103d307e535a6eaf967e0f984620249. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/NLA508323415.
Dido and Aeneas / Act 3: "With drooping wings"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x480f9d9ebb039611def0d7286129e85c807ef2f76f613ffb219b407f2777b59b. 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/NLA508323416.
Handel: Oboe Concertos Nos.1-3/Concerto Grosso "Alexander's Feast" etc.
Oboe Concerto No. 1 in B flat, HWV 301: 1. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fa9a651ca76ef404cf32e346553a861a5c74999993ca7cc45aab115ab936791. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/NLA507100420.
Oboe Concerto No. 1 in B flat, HWV 301: 3. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeecbe20f57921525437de24485905911d721c35fa794c1430ce2f74b46bbbab1. 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/NLA507100422.
Oboe Concerto No. 2 in B-Flat Major, HWV 302a: 1. Vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d0fbe12ee41e5da224c8ef4275bfb6840951b11a75ae9a701fc1cef8b942361. 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/NLA507100424.
Oboe Concerto No. 2 in B-Flat Major, HWV 302a: 2. Fuga (Allegro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06ff51c3204d1578f86db0e00077a9fc4b56801cb312f64b2fdffec7244f6bcc. 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/NLA507100425.
Oboe Concerto No. 2 in B-Flat Major, HWV 302a: 3. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9584137045b13218d552e3812b6aff03e1d484efac60146d2cc05e386442389. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/NLA507100426.
Oboe Concerto No. 2 in B flat, HWV 302a: 4. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x264550d7a41f90e48a63caa3167172b0a09d67d756c4ea0ebed1878400b2ec42. 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/NLA507100427.
Oboe Concerto No. 3 in G minor, HWV 287: 2. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9eb3fdfe4c5444d61b4c3c60a778c2190f6509460806922e60a03428283b1c8c. 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/NLA507100429.
Oboe Concerto No. 3 in G minor, HWV 287: 3. Sarabande (Largo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb0fa04ee7735efbbffd0f5b37978f94852caf134579a0d5dcd33f6b682ed043. 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/NLA507100430.
Concerto grosso in G, Op. 3, No. 3: 1. Largo e staccato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4667ff9a48317913677708f0f0c12bda236f7fe3a20313740076af71565e3d0. 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/NLA507100432.
Concerto grosso in G, Op. 3, No. 3: 3. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf057d76202fe00d8382436b62974eacea732e26b1fef0e36171b3c2cb9d91176. 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/NLA507100434.
Sonata a 5 in B flat for Violin, Oboes, Strings, and Continuo, HWV 288: 1. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb2129723a7d4ae34f280cc5ef95b2b5622a78fe2e72453bd331c7d270319f1c. 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/NLA507100436.
Sonata a 5 in B flat for Violin, Oboes, Strings, and Continuo, HWV 288: 2. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89f3469170a86f01c9d2ceccc5d9954318ba2bdb50f43f9a9984a85a3bebde8c. 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/NLA507100437.
Concerto grosso in C, HWV 318 "Alexander's Feast": 1. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3feb4131f3d5401c5cbf64f062d4af22a6a3147d62010ff4e7628218b4a67793. 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/NLA507100308.
Oboe Concerto No. 1 in B flat, HWV 301: 2. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70a6a1dce46d07d3cf75b1e4c709a70719aebe59a2e5b3d776e5253a596f6bf9. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/NLA507100421.
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
Oboe Concerto No. 1 in B flat, HWV 301: 4. Vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8d076577411825945e57b0e435fcdd0cf708a08c24347ba9a01f2f7e6b5c38f. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/NLA507100423.
Oboe Concerto No. 3 in G minor, HWV 287: 1. Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92627a46389846de7bc25afb21ad3222b117bfe04455d423ec403030ca740665. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/NLA507100428.
Oboe Concerto No. 3 in G minor, HWV 287: 4. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e3a381d8922f70a8de9e646f413751a93e57b7c8ded58b749c5208310dec66c. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/NLA507100431.
Concerto grosso in G, Op. 3, No. 3: 2. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x620aa96160cfbd9da102afd15eac4e6a849f13f5119760a842dbae9ceb3008e4. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/NLA507100433.
Concerto grosso in G, Op. 3, No. 3: 4. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e9bf198f62fbb022d573a06a926221fede89d0f395e2dbff717fb6be99de1cf. 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/NLA507100435.
Sonata a 5 in B flat for Violin, Oboes, Strings, and Continuo, HWV 288: 3. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03b1a9b0a500849fb645a6575d23a39c06f390b8f26d0af6c9a323feaf299682. 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/NLA507100438.
Concerto grosso in C, HWV 318 "Alexander's Feast": 2. Largo - Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cbe6317e866d52d1f1fbc3482b64d1349d069da2787e7245acf78ad5360e3b5. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/NLA507100309.
Concerto grosso in C, HWV 318 "Alexander's Feast": 3. Allegro - Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5141ac450838db13474bca985b59252a76a09952168efcd899590161a58d4a61. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/NLA507100310.
Concerto grosso in C, HWV 318 "Alexander's Feast": 4. Andante non presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccc12c7537e641a443e30ba061eb607bc43ea01939d54467b7295ec883f2d27b. 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/NLA507100311.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75a612e0f3a1aa2b066bb04572d8a3e9166317987236595f5e71a4b0eb8cf576. 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/NLA507100312.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda7d55f74643019f7b58ee4adb4cb1a2bcf95b03d5fcf16cef40d7f6d40c27b9. 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/NLA507100313.
Brandenburg Concerto No. 4 in G, BWV 1049: 1. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0c1f33e93df1564c9a2b3dd8089fd45481d864a49058e33b6ca22a4c3bc9a69. 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/NLA507400191.
Concerto For Harpsichord, Strings, And Continuo No. 5 In F Minor, BWV 1056: 1. (Allegro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45434ca63960ffb2f5ac033ec891e17a3e7363be70c27953796438427af897ed. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/NLA507400067.
Concerto For Harpsichord, Strings, And Continuo No. 5 In F Minor, BWV 1056: 2. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf7f08214c331935914e8efc53e0bda1b39223d8dbc66a5657e3badf25378117. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/NLA507400068.
Concerto for 4 Harpsichords, Strings, and Continuo in A minor, BWV 1065: 1. (Allegro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x338554af08de90b7bbe9c7101ba75319a23d53744f8152e86087c4c776963206. Chain 2 (Bitcoin): anchored in block 960170 (2026-07-29T23:52:38Z), 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/NLA507400073.
Concerto for 4 Harpsichords, Strings, and Continuo in A minor, BWV 1065: 3. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76f0a571683b681ff2fd025e6c2e42e83c56244f1c4eafa291d498104c7c11ab. Chain 2 (Bitcoin): anchored in block 960509 (2026-08-01T04:30:37Z), 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/NLA507400075.
Keyboard Suite in D Minor, HWV 437: III. Sarabande (Arr. for Chamber Orchestra)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbf2e7851c28b7df844271654c00d39bd0ad6d245690d10c5258c41a2c58fdf7. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/USSM19930127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde11b8eb42fd689aefab626e8e055e5e5f6e40dbcf9b12427ff01edda0eaad70. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBBBC2200615.
Handel: Messiah, HWV 56, Pt. 2, Scene 7: Chorus. "Hallelujah"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdabf33af4f8d3e2afd7045f99037e68f7344a1020520e53ac305526e2f93358. 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/FRZ207403043.
Serse, HWV 40 / Act 1: "Frondi tenere e belle...Ombra mai fù"
Dame Janet Baker: Philips And Decca Recordings 1961-1979
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1c65ebbc4e809887fff06e4ba32e7af392ee45a33dd7172536327692290cb07. 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/NLA507201022.
Eternal Source of Light Divine from Ode for the Birthday of Queen Anne
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54cfb3a6a7969ee8a5b289ace2325ebba4219bd5c89a57dc670dac5ac7081180. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/USSM19932116.
Canon and Gigue in D Major, P. 37: Canon
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe033e3377584619074236bde145442767ca8b85fd64cc30ae9ef3c0a12cee19c. 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/USSM19600486.
Orfeo ed Euridice (Orphée et Euridice), Wq. 30 / Act 3: "Che farò senza Euridice?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1e7c39d5c26714533084de0aaac3b8868250576e42d9c0d0d1f50d821c14f65. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/NLA507500342.