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 0x000afe8f556e7cd50aba66d5374f166a66844f59322e44f29e532dcc6636d8d1. Chain 2 (Bitcoin): anchored in block 953827 (2026-06-15T19:59:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e3abda4f-502b-4e98-b375-3c2e235bb5cb.json and https://artists.proofprofile.net/proofs/artist/e3abda4f-502b-4e98-b375-3c2e235bb5cb.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 0xc5b14d6081a2110a1fcfe948c34dc72778d9e7d1cb2457a22d95992e81f10a70. 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/USNE90813302.
Etude de concert in E-Flat Minor, Op. 193
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec6858fea1a5fce838bddd19c284fb0a5f0728ae420ae8645db700857d1209f4. 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/USNE90813306.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07c2eeed8b119214de36f64ec117720f8b523a9ba5f22715da11941736d9e1b4. 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/USNE90813308.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2dba18615c2a479c2f46677dfcc7b43046d792e2d052505537e1ffffd6ab79d. 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/USNE90813310.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e9737a83c4b37e91602036bc381a2fc76138018a5870249ec6706224b8ee2a9. 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/USNE90813311.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13fb69c0d23ac9d24fc20b982a007e78f8e1a787e3200dd064e55f98d1e181c0. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-21T16:37:40Z), 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/USNE90813312.
Vers la source dans le bois (Towards the Fountain in the Wood)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x621ef1f9757c15a5dbfd053f2f3bd9865b039c74170a27c8889147ed4569080c. 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/USNE90813313.
Romance sans paroles, "Bois solitaire" (Lonely woods)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29f6c266598c7508326fd8fd2198370c84979770ca8e1eb39ae05efa84ae5d2c. 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/USNE90813307.
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
Echoes of a Waterfall: Romantic Harp Music of the 19th Century, Vol. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a0963f0da8435133826d49ad19739f5b351af7e2d7740e51517b219d1379a34. 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/USX761114501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe2528c1975474ba782fccb444b7bddd522d008902b9171a006213c8424c90fb. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/USX761114502.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad4ab5b30132eee0e4a950c95baf1feadf5cc55413f72ebed9b37779fdf578c7. 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/USX761114503.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c640094fe5c322fbe2dcac855a5e766da0df40644986c90478fe13a0e10e3b3. 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/USX761114504.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf627a28fdaf6075fbe1cb24a18533ae94803f66efa4c0787ae5dc059afe3b993. 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/USX761114505.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f1af2405994bbe57adefecd53674d303729106cba3b0463895dfd9582be4702. 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/USX761114507.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84e2fd12619517ba8fe4e2bebf33fcd08f8e80db5324463a78bb08d2f14d6a92. 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/USX761114509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25c946834bab8db0013ef1c8310bf05ba997092b67e13ab40b123a48b502ba68. 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/USX761114510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa97badc93f753661edb7af7e0649d30f480998a141be0f6deb17e228ef8895a2. 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/USX761114511.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x386249b38af8abf1a046a08e665d7d32be58e40f580bf503995ca258957bea5a. 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/USX761114512.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa731534f53388840868ace61c4e5ecb379806d4a0f84d14e5e08264d52a03be0. 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/USX761114514.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb45a0f490eddd624f0912f33e0009668fce96e922a805721841cc811124ff5c. 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/SEXLL1700114.
Fantaisie sur un thème de J. Haydn, Op. 31
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4239f84560284be76fe0236911ad2176589f03f6882fb52ce72bb11be0354f0. 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/FR59R1683246.
École mélodique sur des mélodies de Franz Schubert, Op. 102: No. 1 in G Minor, Quand tu me vois souffrir
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60dedf3f3b9aaf0e80da2923892fbdc3bc0bc0ce8ce2672c76fc5722cc1f005a. 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/FR59R1683247.
4 Impromptus, Op. 90, D 899: No. 2 in E-Flat Major - Arr. for Solo Harp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b6ccc00e872fb81cbfa0afdab271dc10faa572333ec3cccfc602ac0f838d027. 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/FR59R1683248.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93f96aeb2cf4e8d195530843819a72ccb12a1f94c374e6da95b1a8fb7bc1658a. 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/FR59R1683251.
Prelude and Fugue in E-Flat Minor, BWV 853: No. 1, Prelude - Arr. for Solo Harp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5658727a198b629b2defdf745c65281156c71a924ea1e486c81a633e6caf1ffa. 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/FR59R1683253.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fbd46abd537559448f2e12f057dab32c1457273e3f00ab811f762f820033f21. 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/FR59R1683255.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a18ec433f3712c8ca8739ccdea57677afc79aaeac64a39e7b936978f8504019. 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/FR59R1683256.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x480391ecd84463b9a68a92d1ac4aba4cec64c9e03fdbcd79874b263d12071182. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/FR59R1683258.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb2584d54e1f6d08ea548f46c93d4287aa3984bf0d8bea4ab370ec2d7c85bd04. 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/FR59R1683260.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e5f19d499dc6ababe821edd66656bd377f7b26755f89b3bb1590d0dae802a0b. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/ITK601800367.
Fantaisies sur des chansons favorites de Franz Schubert, Op. 201: No. 3, Le désir - École mélodique pour la harpe
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8abf9b6ba3ad2267ff103c72573176ac2b605910ff1004c8156ccbcc822fbaf9. 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/ITK601800379.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ad0eff88b5f390e07727a9727978d305515225833ebd33c1c96238283d504ee. 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/DEE219780701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a574a6f23b765c2f090ea7997b42704966450b9ad6b9a096c3a5800f9f201b6. 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/DEE219780702.
Suite in E Minor: V. Les rappel des Oiseaux
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bc3775b991a61a115a739cfbbf31b003c773b3773a2eb36996b94dd3e19470a. 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/DEE219780705.
Suite in G Major / G Minor: IV. La Poule
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x846270de1b94fb29d28a3402b113669c8138a537014b0d64df08ba968cb83104. 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/DEE219780706.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c25fd1cd0dfb72e7e5f4891db140beef5d4dbca9d142c922af08952af657eff. 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/DEE219780708.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f6331a02d9791edb809623e05b16b274eb3413657a5151d6748368dfe617a23. 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/DEE219780712.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x613e40e5fbe240df3fcf1c107462ce729afbece872ac863a86cb35781e4399ba. 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/DEE219780713.
Sarabanda e Toccata per Arpa: II. Toccata
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x574e80735bf5b5969ac1377d61a129768b5f2fc2ed8a1d6fecb9259d45379279. 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/DEE219780715.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc30deb35908240c4e37db7dd9bc4e6395aa956a45b373c4f954933771107d28. 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/DEE219780720.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76345c4c5a7a716b8a827c2bcbbbaaea5a6428ce76a05310bcd0c2d54ca229dd. 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/DEE219780721.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15ca81b4ea32e294305271b4bde31deb359dae805a1ad0c82432ee560747138d. 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/DEE219780722.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x212cd7beef0afaaa17eb825b227a2feeda9b28605c4e0742727bec6313feb783. 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/GBLGL1250545.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d5c935cbf916f3fc0131d34b9ecbdab155ac98a2ffca268af37372e3296b503. 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/GBLGL1250552.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x664c4e7cb2c961fdafe5466e9393791a0202a8a760dc70b9865a567d4263c0ec. 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/GBLGL1250550.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76571d43a68fee77c1a44d0f13fe9617d21109d6f565cd209ad2e791c2e74b38. 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/GBLGL1250553.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4a7b2b8ac8ba13fa851b3874941e357668e51615a3de4a9af72812d9a46cfbe. Chain 2 (Bitcoin): anchored in block 960404 (2026-07-31T13:06:57Z), 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/GBLGL1250554.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcad6ac1469e2f2e32cc44ac5d228644c0596a3006205a42112cb4c90de3800c0. 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/USBC11100141.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8aa823929320981d6b9ff17f6ea4ce52e87a9e045beae2e8ed2f9099e8dfffc6. 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/USBC11100142.
Oboe Concerto in D Minor, Arr. for Harp and Strings: I. Andante e spiccato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bef5ff1dea6b6035ef3023bb935217dca290bde94b3fc26db8276b6b8a036ed. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USBC11100128.
Oboe Concerto in D Minor, Arr. for Harp and Strings: II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5582e2685a8e70be4a395d7ca39a447cddccd89e47a77f9bd8085806653d5f22. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USBC11100129.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x845bcecfa666931e922f66539e79fe8b8fb75c816c008eb83b610199dc9b52c3. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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/USBC11100148.
Concerto in G Major, Op. 3, No. 3, RV 310: I. Allegro assai
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6134dbbf9ca7a610087535fe9f519c13e84b05bdb9a16fde570107cfb7f2215a. 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/USBC11100132.
Concerto in G Major, Op. 3, No. 3, RV 310: II. Largo, cantabile
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20dc68e7c395031105f53bb2412c2db6f09a82d64e9f8f2affd1e6bb0e033436. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC11100133.
Concerto in G Major, Op. 3, No. 3, RV 310: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd91e751028e887bedc01c87c7107772d9bd837c03b22f2a0355b01022dcc803. 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/USBC11100134.
Adagio in G Minor (Arr. for Harp and Orchestra)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa8ed8bf5da771512658be1280af01480303035b976de72916cbeb2912c1f5c7. 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/USBC11100139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde4cd9d69c728ac2a35a0061dbcd674d50e2b412b0555a79131b6d3ed3fae56e. 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/USBC11100145.
Sonata in C Minor: II. Andante espressivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb50fe566b79162010f5d347232b180c1fa007e4846e3a1b673ae5c8d2be8be75. 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/USBC11100146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17e8bb5b977abcf7106f727ccdbc6ee3980a5f165491265a75628109a572d8c2. 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/USBC11100147.
Violin Concerto in G Major, Op. 7 No. 8, RV 299 (Arranged for Harp & Orchestra): I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22977c1bc2827747a724f642cfaedc6dd73f36755b1ff0999deb456f144508a1. 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/USBC11100124.
Concerto in F Minor, Op. 8 No. 4, RV 297: I. Allegro non molto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbda84fc06676bd3cd7195bd8e76ecfbdd1f3af6d45ca8ff0cb0b2d00eb99589a. 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/USBC11100136.
Concerto in F Minor, Op. 8 No. 4, RV 297: II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5ed614defa6d509e3727ce79f03ff19b0d31dca7d1a84e7dd2dc997f7943762. 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/USBC11100137.
Carnaval de Venise - Maestoso, Grazioso e moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef201a23025754aaa294db3c4d699837701d3cef299777fb353e6e66a905ae4e. 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/USBC11100149.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4311b5fb9133084c01f4974ce05a443bf74c247b33fc45040f398fec67c224c4. 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/QMANG2236254.
Träumerei from Kinderszenen, Op. 15 (arr. for harp)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9f48f20fb09e374c6d776a38f62f577ab7406d4563a9fe015de48172722ea9a. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/QMANG2236255.
Wiegenliedchen from Albumblätter, Op. 124 (arr. for harp)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f6bc2116390716dd6b97a7703c3bce46299b995aa961cdedf5ec7ba1788173d. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/QMANG2236256.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32d424c5784e853f54c4a9a805e734f2919a5b779d2048100c22e2eb5ae26366. 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/FRZ130905020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d0ffcb2f01f400a766b68632d159a74976a68181950f96c37229727fb502703. 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/FRZ130905110.
Introduction Et Variations from Norma (Bellini)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63caf1a19dfad0352c746c67dd5ba8e4c00c636732cc7ed0cadc1dde5b78b59f. 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/FRZ130905120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60121c89261730ab82674b04e465a21bb8726dcae6e7a2a21cca70e8880c15a3. 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/CH6540838543.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20e298d160278d7a60339e5219903718a5c05af34cb1c6741ae6eadca26c7b7a. 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/CH6540838545.
Harfenklänge für die Seele 3 (Harfe solo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4aea97c7872d7c99cf6714387551afc06ba5d56ebadbd436110e306b1b6e5763. 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/FR59R1736507.
Rinaldo, HWV 7a: Lascia ch‘io pianga mia cruda sorte (Almirene) - Arr. for Harp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab80117faf99e343b071eb15797c3eeb14ae37245230c89a73674c696fec1c19. 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/FR59R1736509.
Sonata for Harp in C Minor: II. Andantino
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf19f60f58ab0626bb67a01e8142ee2340917f1419d3114b725ef4114a58bba38. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/USA371636522.
The Nutcracker - Suite in D Major, Op. 71a: VIII. Waltz of the Flowers - Arranged for Harp Solo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1b92f81632f94adebcfa2a21b5c5d1f4bca04552c83c5d33ca5bf6de6ba836a. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/DEBL61323935.
Harp Recital: Hill, Sarah – Massenet, J. / Offenbach, J. / Godefroid, F. / Clarke, J. / Saint-Saens, C. / Satie, E. / Thomas, J. / Boccherini, L.
Thais, Act II: Meditation (arr. for harp)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc15e69c629f3084250f8ece6f3da2839722e052354d68e0b9b7d00948d64755. 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/GBCJG0200419.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9498efc2e47581a6c1bb69b185b9ccc5b85ae073d438de7b55451bc85bd95d28. 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/DEAR42045204.
Jana Boušková Plays Virtuoso Harp Encores
Granada - Fantasía espaňola - Arr. for Harp by Carlos Salzedo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9966756a3136f31b909ff85399fa62a5126f4267834a7df521b2352308dd6cc9. 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/CZA169800129.
Étude De Concert in E-Flat Minor, Op. 193
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0fa75f2e7595c519dfb0c450fd71a2af4b37337d4fd538a7a8fd1149e31628d. 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/USHM21407349.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84ecb25e1fe95134259dd1404939ae27710c867806de63ebdc9abd6e48a2dcbd. 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/BEC999935603.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x472fddf48e40cc54856fdfdb4d4e5c9e19be23763ff2631341c3dabe5f71bc13. 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/CALC40900163.
Classical Passion: Beautiful Music on the Theme of Love
Harfenduo Regine Kofler - Silke Aichhorn
Mchedelov - Tournier - Grandjany - Godefroid: Les grands harpistes compositeurs (The great Harpists Composers)
Pearls of the Classics: Harp and Viola in Beautiful Harmony
One Take Concert #4: Harpist Sehee Hwang - Live Album (2021)