1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddf617a58913db6240c164a2d8f1fcd8d308fdc13c3ba38c3b4ee18389789ae5. 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/b712be0b-dcb4-45b5-a089-53658a38d9c4.json and https://artists.proofprofile.net/proofs/artist/b712be0b-dcb4-45b5-a089-53658a38d9c4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
John Propitius Improviseert op het orgel van de Bovenkerk te Kampen
Psalm 85 vers 1:"Gij hebt uw land, o Heer, die gunst betoont" - Koraalbewerking
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x536dc7e191f3fb4720613fe7bdcb3d329c9d28c88c203d09af2c10c27325d690. Chain 2 (Bitcoin): anchored in block 958324 (2026-07-16T21:05:52Z), 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/NLG620591032.
Psalm 42 vers 1,2,3 en 5 - Fantasie: Koraal-Trio-Marche-Toccata-Finale
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc7014e579403e2618864d18517dab9b255cc576c3206663134674a9a616f3b7. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/NLG620591034.
Psalm 141 vers 2 "Mijn beê met opgeheven handen" - Meditatie
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x763ce0dad9caf78e51e8ac21d6910e30298816f9e2244d5201864e3cce1d5ab8. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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/NLG620591036.
Eens als de bazuinen klinken - Intrada-Finale
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44b48a919594e57d5a338514e1cf1d40538218daa45cf89a29ab21d0801bd500. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/NLG620591037.
John Propitius bespeelt het orgel van de Bovenkerk te Kampen
Psalm 91 "Hij die op Gods bescherming wacht" - Orgelkoraal
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbe7f6940806bb114db437b702e6310880ba2d8a4cbf0f787784fb4ebc07c2af. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG620591320.
Lofzang en Aanbidding: Improvisaties op het Orgel
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x777a9587faeb348ca83180e916407b8ea26fe8942a20b8d384e2f3a846d6346b. Chain 2 (Bitcoin): anchored in block 959084 (2026-07-22T00:50:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG620604222.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa41e3ba736a0e6779f92a76aaa1d822218b982579e9d1a745587a3bf4f1dc5ca. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG620604232.
Koraalvoorspel Psalm 79 vers 4 - Instrumental
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x688986123758db1533556a659e2f75b3629acef60ae795043ef84be583102286. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG620605042.
Fantasie over Psalm 147 vers 1 - Instrumental
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d6b23b3d24611db37f36c181d9c7aef02a4ca78e98cc0244e822618c10bad68. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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/NLG620605044.
Elegie over Psalm 130 vers 1 - Instrumental
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7990160fa15cad1ed362bc0540c19edfc7fe7ba41c86ae72821b7794100f89a. Chain 2 (Bitcoin): anchored in block 956861 (2026-07-06T01:57:57Z), 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/NLG620605045.
Meditatie over Psalm 141 vers 2 - Instrumental
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6538083b1d05f6b2427599f236fef69393dc3f54a8a0ed565ee92c46d82bff9. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/NLG620605049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdba2040213431a9e3e3b545c34bb24a81d25bba1b68106625e5fb5754ab5817c. Chain 2 (Bitcoin): anchored in block 958639 (2026-07-19T01:18:30Z), 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/NLG620605050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f097677d5871a3e3355669c05ee5c5f1be5a220fdfa4c435a7dab3b0c1452e6. Chain 2 (Bitcoin): anchored in block 958907 (2026-07-20T16:17:58Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG620591002.
Gij zijt voor mij een schild: Samenzang in de Bovenkerk te Kampen
Psalm 25: Vers 2 "Heer, ai, maak mij uwe wegen"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a26328d1cbba9c0370a9806bc7798c9dcf145ae7e8204c38f89cc7e9d2c29e5. Chain 2 (Bitcoin): anchored in block 958959 (2026-07-21T03:51:22Z), 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/NLG620591643.
Gij zijt voor mij een schild; Samenzang in de Bovenkerk te Kampen
With God in yout Heart….You'll Never Walk Alone
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x366aaa1dd279f01339951dd85b0a2e8b34963e0b7667e125002a9b4e2d8d72c0. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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/NLG620591093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa9a3dfeee3bdbf0561dce4c65bbe0577530a143bd068a4b61b167d5e3a2743d. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/NLG620591583.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a6b952177dcfad57f2fc728142c1a3e438ab129717ddf6212873720c6e57a11. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/NLG620591591.
Uw grote liefd' alleen; Kerstimprovisaties in de Bovenkerk te Kampen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdcaa79796a86b178a804a357f73142de22ce25b09a2d73308c09ef1246e9d0c. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T07:01:59Z), 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/NLG620591403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa2c71ad55cf5753f86f794770ac8d44f4ba070458ce33535adc1448d531246a. Chain 2 (Bitcoin): anchored in block 958738 (2026-07-19T13:10:36Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG620591408.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10661957247f94845742d24911ac78a951ad9efcf0e11cab51505bd2b4591156. Chain 2 (Bitcoin): anchored in block 958736 (2026-07-19T13:04:09Z), 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/NLG620591411.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7e988af728a760a76f318bf27290436f1a8a0132e24e097097875c25fb5f33c. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/NLG620591413.
Orgelconcert vanuit de Bovenkerk te Kampen
Psalm 56, vers 5 "In roem in God, ik prijs 't onfeilbaar woord" - Introductie, Toccata en Koraal
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08a6fd00e9bbecbfbd23b252358365211c1a58dd7eadbe902d3ca319172b15f4. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QMBZ91612830.
Fantasie over "Komt laat ons voortgaan kind'ren"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6483cf9372f3671a4185144b53099ba8820d55dcf75356b2a18bd6307104989a. 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/QMBZ91612836.
Classical Church Music, Volume IV, Organ Recital
Lord Be My Guide; Church Organ Improvisations
Wie maar de goede God laat zorgen - Improvisaties
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdfa83b01b4e1e530809eb2bd87e1e148f2bd6ea46babbc25669ddbd99f56f18. 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/NLG620600201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda7a0d6b8e60d836b18e9d414a38674112e8ad2625055f3080fa71e494296d55. 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/NLG620600204.
O Vader, dat Uw liefd' ons blijk' - Improvisaties
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec118f3bcce5073c8cbe4c691f9ada213b5be66a2f9825986aae1999f3748934. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG620600205.
Alle roem is uitgesloten - Improvisaties
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a54a42ee1fc4581d046d052cd5cf4e4a7f7e9d57c87c31e84a635f2182f2226. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG620600206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71d29060add71000359f6d81924f97df4e7256de9cbf2210123a406444a0e0ef. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG620600209.
Gemeente samenzang Ned. Herv. Kerk Barneveld
Psalmen Gode ten eer: Niet ritmische samenzang
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4815dde023d77d57cd46e7a2c5a9edfb2054f618bf6d051ca28b426e4d57076a. 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/NLG620612681.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1800e49419f0d8137a1df29859496b29af12ef841f0843af31b38ff18208ad9c. 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/NLG620612686.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55bce6e3828bb4f53924a8e16e09e3c1cdd0a814ae7557837bf0a2a85eb29038. 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/NLG620612695.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0987241dea7a33ad09573a9eceeb04e753cf47e5edca75d0fc3644f783fd8638. 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/NLG620612699.
Geliefde Orgelklanken - Improvisaties & Koraalbewerkingen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c73c1abc2c2359d174d48546d2c686f293cc632224dc28a904dc8f34132034f. 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/QMBZ91612643.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc494b04fca79938c96650b125ce478619778fa8bb1c0f013276ed4eb96f51d62. 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/QMBZ91612654.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe53c8865eb292abf9bf313e2f40a3b882d20aedcb3d4ec1ef10dedefab3aa9eb. 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/NLG620604822.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0478f93dbb4e4b8447c1d7de9114d0c165623d93a7bdaa3291568707450d31bc. 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/NLG620604825.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x236306cc03484e8f9793a1e459728afad713b41d26386f9330d0defb2c3d758e. 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/NLG620604826.
Leer mij, O Heer uw lijden recht betrachten
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x414d6f970f4a8da83fbfa2fcaa2e8d869ee2c52b76fdf4fc21d811f9782bda26. 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/NLG620604827.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9d3f3ec2c1429866004aca25068332e0e8f3f41a372dbc07833d43811c252f8. Chain 2 (Bitcoin): anchored in block 960223 (2026-07-30T07:51:46Z), 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/NLG620604828.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cc8c90e4df7de2d245f86dc175788e2274f5c07bfc4c35401d4c1a0bdaa3e1b. 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/NLG620604832.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6338f2be61c1be72a8ace065b3a66f05f7667e4605ef3a9fd70d860f6fae813. 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/NLG620604833.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5e2b53707fa55ed29534ccd11ffa97ddccfaa419484abc780a9dbcb3877e18d. 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/NLG620604834.
U zij de Glorie/Kroon Hem met gouden kroon
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3ddc91683115fa062b2c98c942c24aa7aa96044bfb9dace56a693edd4cee44c. Chain 2 (Bitcoin): anchored in block 960362 (2026-07-31T06:58:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG620604835.
Daar juicht een toon, daar klint een stem
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73d0295763e2dc7d73b0348865d91a96d63579179886885819f1a49a23813c20. 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/NLG620604838.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x620e35d67ce99664a971c0b6307d15be021f1c34f015a6fff45e39c9caa61533. 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/NLG620604841.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd416d7eae90afbc1f162877d0f0ffc371e8457deb72c86916798597df975b020. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG620604842.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea37267f75ea15e39981e0607044bc37618c6b710be2e37c3e21ef7e3cab224d. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), 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/NLG620604843.