thumb|Le Guay, 2017 Claire-Marie Le Guay (born 13 June 1974) is a French classical pianist. Early life Le Guay was born in Paris, France. She began playing piano at age 4 and entered the Paris Cons
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 0x9dfadab6725d43e8a9ab582350d52da82c948df58683304f4319a24e26ae6c8e. Chain 2 (Bitcoin): anchored in block 953654 (2026-06-14T16:26:51Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/48e866ff-528b-4dfa-b27f-0f2eb9458ae4.json and https://artists.proofprofile.net/proofs/artist/48e866ff-528b-4dfa-b27f-0f2eb9458ae4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Escaich: Concerto pour orgue-Symphonie n°1-Fantaisie piano
La Folle Journée 2017: Le Rythme des Peuples
Danse slave en Mi Mineur pour piano à quatre mains, Op. 72: II. Dumka (Piano version)
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 0x6024a2c172982b32cc894d8110c1d70e00518dae5e44c4fe08973d17354b713f. 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/FRU621633019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8470eee00e2a127950374b75657fd75b75d19c9624bc274002aafde4fdc0c8f9. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/FRU621323625.
La Boda de Luis Alonso, pour castagnettes et orchestre
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ecae5cad3fe94cf98b663b4b5668a491491a6ab6148d6cad6b598e4bdef9fc6. 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/FRU621323649.
Suite bergamasque, L.75: III. Clair de lune
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x944f76e9e8148f72583af1fc0678aedbecd35ca7691b009ffc0029503010ff2c. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/FRU621530522.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa78107c26e063674960dcfa0e73f466eb6d3a3cca8e7f9e8e84b106e5d4fa8d. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/FRU621530518.
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
33ème Festival International de Piano de La Roque d'Anthéron
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5fcf485d71c1b0fdbb004c9e77910d09ba59e7d0d3fb75072b43f249a6bcdd8. 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/FRU621121513.
35ème Festival International de Piano de La Roque d'Anthéron
Concerto for Flute, Harp, and Orchestra in C Major, K. 299: 2b. Andantino - Pt. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d5338c69b1173043af9bfb7e13c487b33a35424f8540dd1fbe839e07eecf71b. 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/FRUM72200486.
Schubert le Voyageur: La Folle Journée 2022
Litanei, D. 343 (Arr. for Cello & Piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x287081b0d3124f03cd588c39b02dc038c5304642e1c3564f4724c918053c5f3b. 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/FRU622161408.
Festival International de Piano La Roque d'Anthéron 2023
Wanderer: Schubert: Arpeggione Sonata; Song transcriptions
Der Wanderer, D. 489 (Arr. Cello & Piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56c99bedd6e5efe446df560123d0432ac7c35fc49a519c98c4fbfb036239eb52. 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/FRU621732412.
Ellens Gesang III, D. 839 (Arr. Cello & Piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dcb3532589fb4ed22c4ff29b79a82b3db89fd4e1f06d8a65e983430610edde6. 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/FRU621732414.
Arpeggione Sonata, D. 821: I. Allegro moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4c59071b0708d7ab76411d7dfbb8eb4dc27cda5448802c1e972c17ba8f6f3f4. Chain 2 (Bitcoin): anchored in block 960153 (2026-07-29T21:57:12Z), 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/FRU621732401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe22b36482ba96df2933cc4606f932b1e55a7ab569d946c65a3a822631b6ea5f4. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/FRU621732402.
Arpeggione Sonata, D. 821: III. Allegretto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10a47bf50ae833917360cf3b1551cbd9cb070f36c65578ddb7aafa344ef69410. 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/FRU621732403.
Schwanengesang, D. 957: IV. Ständchen (Arr. Cello & Piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda070da70372a19874163c8a8ad020c8f0b9c9252403f98159305193bea4be26. 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/FRU621732404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d9cf43c7bb8f44df12b97c2d33ce0d1b3062dbf13a12f6bd136a7e303a6efb7. 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/FRU621732406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x811983d0bec13945b323580c1cd17ba13f5db5af0918ff85122d7ac8c3f42bdf. 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/FRU621732407.
Du bist die Ruh, D. 776 (Arr. Cello & Piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb47508ba1dd50da6a62e4fbeebbc5cf75759937807617113210a8042c604d398. 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/FRU621732408.
Lob der Tränen, D. 711 (Arr. Cello & Piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb344df5036249bd22ff94cdb3b8fdc12cdec00f5d45124f4b84f143e9e623ef6. 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/FRU621732409.
Bach: Italian Concerto; Partita No. 1; Capriccio in B-Flat Major; Chromatic Fantasia & Fugue
Italienisches Konzert, BWV 971: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x079316b0d983d9397dce444046b358ececd7da1722470c90768a50220a403783. 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/FRU621426401.
The Tale of Tsar Saltan: The Flight of the Bumblebee (Arr. Rachmaninov)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x766db6ef1b61502adb886a0f44e264082f724d86c4f960fb611ad94b361478d2. 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/FRU621116901.
10 Préludes, Op. 23: V. Prélude en Sol Mineur (Alla Marcia)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1888154ffe5e59a54fac0b580b776d275dc79d96c229653060be70c59fb13bf6. 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/FRU621116915.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x266f8bec11db45ac42e5b765296c06c6a5975abc736ad5af64da0e0d65f1afa8. 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/FRU621116916.
Liszt: Sonate pour piano en si mineur, S 178
Haydn-Mozart: L'esprit concertant (Œuvres pour piano 3)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x891a239d532b5f0d12ec5e890ffd7ed5812b69221e6a170e31fcfb923fcafcfe. 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/FRZ299323070.
Ravel/Schulhoff: Concertos pour piano et orchestre
Liszt : 2 Concertos Pour Piano & 2 Légendes
Stravinsky: Petrushka / Ravel: Daphnis et Chloe
Liszt: 12 Etudes d'exécution transcendante
Dutilleux / Bartok / Carter: Sonatas pour piano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bfddf11276305f7eb60b52d4cebc5bef5e802824d1bcaecee5fdafd04902f78. 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/FRU621116501.
Piano Sonata No. 11 in A Major, K. 331: 3. Alla Turca (Allegretto)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94e1e91a4a3985d99335b566904c6624dacb9aebaf993d37d712f01170768565. 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/DEN961601251.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0cd1131c796d3b1a4eeec76fd06651aac6b79237f2a583ce247c078262cc7a4. 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/GBAJY9512207.
Mazurka in B-Flat Major, KK IVb/1 "Wołowska". Allegretto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d7ffbf7bdfee6dff4035977fa64c2b4bb04f56350280dca71c55d56dae35e86. 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/GBF078340510.
Capriccio in B flat major, BWV 992 "On the Departure of a Dear Brother": 5. Allegro poco. Aria di Postiglione
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcebbc933228d88e6ba5422c11da214bdeb1bc05564d1e9eec13fe50f44c5fc30. 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/NLA508534107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e76dc20c4e90d00c8e6207159ce1c2c1a14a8a085b833526ba1511c576a4925. 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/DEF056500620.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b7b521ed774492f233d6396152042db887fe74ebf633dbfe02ba33c480421c7. 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/DEUM70807052.
The Well-Tempered Clavier, Book 1: Prelude No. 12 in F Minor, BWV 857/1 - Recorded 1997
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab538961b049f3f7681e59c9f7cbdce1de85a1e9767add21b41735eca8169d84. 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/GBAJY9730123.
Capriccio in B flat, BWV 992 "On the departure of a dear brother": 2. (Andante)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e7ac61e4970ea3c11134c314638bfa6d2e83e9164d8d318189f893d143e3c41. 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/DEF055909682.
Mazurka No. 4 in E-Flat Minor, Op. 6 No. 4. Presto ma non troppo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30c958cfd2f4974048c1c162e9471e24aec46f1837f8de09ae02904e7671cfa3. 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/NLA507708504.
24 Variations on "Venni Amore" in D Major, WoO 65: Variation XII
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73697a1fc30bf892d2ecde8502e696fbab7c841c915247154ccbf792612ebc53. 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/DEF059732713.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6427c333123fbdb373d3a67dae2ceb6a7c6690b706c0025f8028058d8b3e7d50. 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/NLA507400665.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03789149ad86e30cb6a4ca3de7e3314c09b6748b8805c0c30105a441c723eecd. 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/DEF059604150.
Mazurka No. 28 in B Major, Op. 41 No. 3. Animato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5d91497cd8dfd109303116c38a0d2a77c56908537816db404abdcdf28d80cf5. 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/GBF078140508.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x544e4c5b71cb8a6c2371c2538cfd3450f97da42d9ffecfa3b74797421ba35585. 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/NLA509610714.
24 Préludes, Op. 28, C. 166-189: 18 in F Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5505f39d28a79f3a41abc76c55c19f1707d4f365e9d75732cb5aca21ec1c684. 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/GBF077441618.
The Well-Tempered Clavier, Book 1: Fugue No. 10 in E Minor, BWV 855/2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb78536d6cb8b32b5de3635b8d59e1259a7e2868b345fb353de55d878a756cbd7. 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/DEN960803952.
Wiosna, Op. 74 No. 2 (Version for Solo Piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x612ebfb151dd9db96888e0f8d122caa91c6438818898b39d3bf3b7dcbb6f4a79. 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/GBF078441313.
The Well-Tempered Clavier, Book 1: Prelude No. 15 in G Major, BWV 860/1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ed4b8fcfd91d0845b4410ca19ae6c3c595941a9c177a437aaacf0e5eae48f3d. 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/DEN960901211.
Three Ecossaises Op. Post 72, No. 3 - 1, 2 + 3: No. 1 In D Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x026650f69aa289338e3ee92e2c902bc9432c810f62092cd0926530c6026be856. 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/DEF059902440.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e47bd3ae1687846515b392fa8fe79f98041f9e7521fd334920f2db240d3865f. 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/DEF059231105.
Mazurka No. 4 in E flat minor Op. 6 No. 4
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bc4303423c1ce683c250fd8cd9937b671c0fd8082f7202ddb4947c2e78714eb. 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/DEF059004344.
The Well-Tempered Clavier, Book 1: Prelude No. 14 in F-Sharp Minor, BWV 859/1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32017d266edfb715f432abcc30f5dd1e0fff8287ba8fb6246b6006c2234fb336. 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/DEN960901201.
Aria variata (alla maniera italiana) in A Minor, BWV 989: Variation V. Un poco allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x611ae44aaa2f5dcfada4fdafaa37d33afa7658a11e5db384ed697b06a99a008c. 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/DEN961830317.
Piano Sonata No. 26 in E-Flat Major, Op. 81a "Les Adieux": I. Das Lebewohl. Adagio - Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x915d2a45218bb8b6f1c9379bccc39df55f529483c626fbd4bf57e585a2959021. 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/DEF057401604.
24 Préludes, Op. 28: No. 19 in E-Flat Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b188035ef67dd7a4004c42be59f82fbf0c4778b1a076e20dbb0281f149608a4. 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/DEF057530519.
24 Préludes, Op. 28, C. 166-189: No. 19 Vivace in E-Flat Major, C. 184 - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd209392edfc430ea3430f63d12a5ce179e3885bac618653956d14ad1500434af. 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/DEN961330619.
12 Études, Op. 25: No. 9 in G-Flat Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3dab8228b5250a672997fe604c7d95e0d4e0ab8c0ff5818040b2014cdf480e4. 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/DEN961330209.
Aria variata (alla maniera italiana) in A Minor, BWV 989: Variation IX
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x986127a63e95f6bdf3c7be92570fcd50f687098d0895fdecb50f066ba35a2ee5. 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/DEN961830321.
Das Wohltemperierte Klavier: Book 1, BWV 846-869: Praeludium 20
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeae678ba3467f8d09b11722eded68e1c307ad37d6bcec5881b8e81efe07bd8b5. 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/DEN960901261.
6 Piano Variations in F Major, Op. 34: Variation II. Allegro ma non troppo in B Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbae559360ddd20695389766c4bea3fc0b75afc5274def1e0bb021c8b0c32211. 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/DEF059702223.
24 Préludes, Op. 28: 12. In G Sharp Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f33cd0a33d2132d4fb4056b4ca37f702526e4301aa7116a0d6384cc98b72bf6. 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/DEF058930312.
12 Etudes, Op. 25: No. 8 In D Flat Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58008981522b5a3e015939edd51603e19b0b4761dbb9b3ad796af75f595f23db. 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/GBF071440308.
Les plus belles musiques classiques pour les enfants
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa18264adb0466134f767e8c0f6685c6ed70929aa349b0d75f52e64434dfacc7c. 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/FR60Z1500700.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8394013f1bf1e6cb08eedd601bcdbbec719f95b90862ebf433d7faa171801c29. 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/FR60Z1101060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43e8e75a0740cda0b6c4e61d6f359fc9ff55a4d601af4fd2a1d9412adf34d3c0. 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/FR60Z1300980.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4ddc1a886bbd1b5d8d33261fffa3f44534d9a14a7ebe069638158e2c1ee8d4d. 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/FR60Z1500710.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x323ab59462db4d2d7b25d2fb6e561deb03fc8f125977a120e8b937e7d869d91c. 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/FR60Z1500440.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x786b3ccf42b67d5824969ba774db1e4e3ec59842697d1c39b4e4c320839ea0bf. 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/FR60Z1100960.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fb838f336065ae88e0047ed4417ce1e48f4430c6f1de519fba2edb8f7589df5. 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/FR60Z1300960.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9807b08e732b90f5f5f76167a9c9c95990bf6b7604f9f7cdd4c63ce6699a922f. 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/FR60Z1500720.
Ma Mère l'Oye: I. Pavane de la Belle au bois dormant (Lent)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35fb5d5931e5a773a9d2fabc77f6a42b3120339ef0cdcbcae9d5d34c7c66d1a8. 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/FR60Z1301000.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca93bd12287b1bc3453d545e0e7aedfc63f13472201700d65c9b0f3bffa1806d. 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/FR60Z1500730.
15 Volkskinderlieder, WoO 31: XI. Wiegenlied
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c193fb68ce06643905c7d2696d2830006a7ac0babeef0161a30d9382e4b0af5. 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/FR60Z1300950.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea1c1b32bc9acbbea9c23c411572db356145ee16dc5f7d754c45705004067d27. 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/FR60Z1100840.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42cc04483e7e504a202d6149fdfd0de0c8295ee878ce15d12da5d8ff69cbac6c. 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/FR60Z1500740.
Piano Meditation - Bach, Beethoven, Mozart
Concerto in D Minor, BWV 974: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4364714f1dd7e6c7f850740237b70cc7a67416ff89a7491a609917dc48c07323. 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/DEN961830331.
Piano Sonata No. 12 in F Major, K. 332: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93b1871be9052b9a8c04985ffa403ec64337ec9f66c969708757b328ee1807aa. 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/DEF059003852.
The Well-Tempered Clavier: Book 1, BWV 846-869: Prelude in C Major, BWV 846
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1ef43d717795a5ac1470db92663ec88617c716f03bc8120d0c8bc3c3e04beab. 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/FRZ390300720.
Goldberg Variations, BWV 988: Aria da Capo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x713fddddfead0f4b1a058de10cd029f4e6a2e76004e15e45ecea280a6845b355. 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/DEF059231132.
8 Variations on "Laat ons juichen" by C.E. Graaf in G, K.24: 8. Variation VII: Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88e942dfad0305f6144ce3fba93cf256b1cdb0b8b6f69778888531ce6bd2ba90. 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/FRUM72100099.
Piano Sonata No. 7 in C, K.309: 2. Andante, un poco adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba1b061bae8d5aea03dcbcaa8b1eee07d3325f70b169bcf270c9a440c14282dd. Chain 2 (Bitcoin): anchored in block 960487 (2026-08-01T00:15:43Z), 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/FRUM70802147.
Piano Sonata No. 4 in E Flat Major, K. 282: 1. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf85f5025fe9647e7b25f025b4941f39ff02b2e03010f2c3bad85abadd4bff400. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/FRZ390401380.
Liebestraum No. 3 in A-Flat Major, S. 541 - Poco allegro, con affetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6122dc6bb713a2bf8d0fe6ec5dd1768493c45ee11eacceb9d8d0de0ecff9062b. 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/FRUM71001024.
Grandes études de Paganini, S.141: No. 3 In G-Sharp Minor "La Campanella" (Allegretto)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x392ee5550c27f55c7d5514ef2cba319301c95dc335951b1c419398f81dbb6006. 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/FRUM71001015.
Années de pèlerinage: 3ème année, S. 163: 4. Les jeux d'eau à la Villa d'Este
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e03edad60f4d587e90b03916895847644936d10fb3cc958c4464d1f20985e83. 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/FRUM71000921.
Piano Concerto No. 1 in E-Flat Major, S. 124: 1. Allegro maestoso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e749f299fff6202d42747cc502a8bb325892204473031f44be775ea086f2473. 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/FRZ390200250.
Schwanengesang, S. 560 - piano transcriptions after Schubert: No. 4: Ständchen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe24b1a248772f3bc2a121d8634746878e809c3d001c5dffaf2618a312e267f52. 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/FRZ038401190.