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 0x4d1bb548aac04807ee68219d3a786b9e3ef734d8c3ee327259dc9ce24021b703. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/97e6ec73-7b17-4a1a-b945-175a1f8bcadd.json and https://artists.proofprofile.net/proofs/artist/97e6ec73-7b17-4a1a-b945-175a1f8bcadd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
La Celestina: Melibea (Banda Sonora Original)
La Celestina: Melibea Se Confiesa (Banda Sonora Original)
La Celestina: Prólogo (Banda Sonora Original)
Tema de Amor de la Dama Boba (classical theater work)
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 0x0284c3558b931f7358ea8f6db58aaf9ea7cf9eb1612718f806b7f1cfdcf85f58. Chain 2 (Bitcoin): anchored in block 958996 (2026-07-21T12:00:30Z), 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/ES71G1311547.
Tema de Amor de la Dama Boba (Edición Deluxe)
La Celestina: los Criados (classical theater work)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7bc36464c1624eaa5e796b8bcf945f68187517a3d57e688df02fa98c5fc899a. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/ES71G1881666.
La Celestina: Prólogo (classical theater work)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfac385ae5d699f5a3a9c39211769e626a31578e93784cb044c5b389c35d4ac32. Chain 2 (Bitcoin): anchored in block 958945 (2026-07-21T00:35:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G1880916.
La Celestina: Asesinato de Celestina (classical theater work)
La Celestina: Tema de Calisto (classical theater work)
La Celestina: Melibea (classical theater work)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa09ac1dd21403ffadee360cc17efeeae7854475f70fdec0131c10ac5dc81150a. Chain 2 (Bitcoin): anchored in block 958771 (2026-07-19T21:39:02Z), 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/ES71G1880980.
Detector de Metales Holgazaneando en un Desguace
La Celestina: Conjuro (classical theater work)
La Celestina: Melibea Se Confiesa (classical theater work)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4757c75730b48ac8998c86a50ffca366e37597328678887139b3bd26b09014ed. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-17T02:08:05Z), 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/ES71G1880874.
Suicidio de Melibea (Original Motion Picture Soundtrack)
Vencida la Edad (classical theater work)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x929e93c43077cf1600cfc3d03be9998b0e98459e0f3400a10b0e8225b3ace419. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T13:22:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G1951938.
Mi Trabajosa Vida (classical theater work)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x793f1a5daca1ba7601b93f350560e290a4ff50021d550264f351068bdd41f98c. Chain 2 (Bitcoin): anchored in block 958987 (2026-07-21T09:04:56Z), 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/ES71G1951978.
Mi Trabajosa Vida (Banda Sonora Original)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c6fc45b10e6f57d5a14ea91922d5e3d488b4e10b540d8b8d54a97f0f328d6c5. Chain 2 (Bitcoin): anchored in block 957763 (2026-07-12T22:01:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2008816.
Los Pájaros y el Príncipe del Mar (Original Motion Picture Soundtrack)
Icarus (Original Motion Picture Soundtrack)
Lo Que Fue y Lo Que Es (Original Motion Picture Soundtrack)
Paello Confinado por Culpa de la Pandemia del COVID-19
Paello Confinado por Culpa de la Pandemia del COVID-19 (Instrumental)
Viajeros del Alma (Original Motion Picture Soundtrack)
Legio Gemina X (Original Motion Picture Soundtrack)
Renato Di Prinzio: Abwesenheit Der Anwesenden (Instrumental)
Renato Di Prinzio: Abwesenheit Der Anwesenden (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc19f102aa6b4b944e33dfde9389aaf950673c6ee1aa437bf844d0f70af9c7f3c. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2028114.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dcf98b1ef4d60bff881700b047e96f039e8ae788192e530a0b4a7531c5855d7. Chain 2 (Bitcoin): anchored in block 958263 (2026-07-16T10:48:22Z), 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/ES71G2041611.
Anonymus Bellermanni I Exercere (Instrumental)
Anonymus Bellermanni Musicis Exercitiis II, III Et V (Instrumental)
Anonymus Bellermanni Musicis Exercitiis II, III Et V
Anonymus Bellermanni Exercere VI (Instrumental)
La Noche de los Tiempos (Edición Deluxe)
Renato Di Prinzio: Iphigenia's Fate (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dcff12eb266a53042ecb70afe06af146d4fb9767d9fd7eeb8e7a7601a6df3a0. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T18:27:41Z), 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/ES71G2052806.
Renato Di Prinzio: Iphigenia's Fate (Instrumental)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f946f357b17abc9003a48eaf1096295a80dbead62434c81870ce0a2eb059e27. 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/ES71G2053596.
Remembranza (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6a6af05a3d4bf9969b082a9176ea9b049887997d97aad53a6feb8262d5761e7. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2059928.
Como Decirle...? (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a394cc27e10b3b0f91115fbe58daa9f3ac0806ea1c3ba8a732892b7395eadf7. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2063244.
Snowland (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0e4018053d9e88a9f3466a64da851a5a602c8f64362d7da6c0e4619f4a5ec57. 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/ES71G2104221.
The Old Wallend (Original Motion Picture Soundtrack)
The Lights over the Hills (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95f6e6cd4c1c5eb2e699ddbe48a7448c5dde5f0c984f9f1def3899458c731c7c. Chain 2 (Bitcoin): anchored in block 958567 (2026-07-18T15:22:40Z), 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/ES71G2115809.
Sound Through Space and Time, Pt. 1 (Instrumental)
Sound Through Space and Time, Pt. 2 (Instrumental)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a4058873b7ea04071dd043d5580bc05df3549a624ddcffda01ba2581ab6c4ce. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T04:55:41Z), 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/ES71G2146271.
Leaving the moorings of my memories (2022 Remastered)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb11039992a62aee104334105b89404ea1362d4f86a74aa2e115c964796740a9. Chain 2 (Bitcoin): anchored in block 958734 (2026-07-19T15:50:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2205912.
Beyond Terpandro's Acolyte Journey (Instrumental)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b007e31d425a91f5dcc4f0211c7f3d756d55219e2bb46ae2d774e65b0ee6084. 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/ES71G2207985.
Toward the Within of Adversity (Edición Deluxe)
The Lost Harpist of Saint Severin (Edición Deluxe)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde0a04504b01fce859154fa66b01fbf9d281f9a2d317be4f4702d8159eae9332. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T04:35:00Z), 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/ES71G2221668.
The Lady and the Sleeping Ugly (Edición Deluxe)
The Lady and the Sleeping Ugly (classical theater work)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ced50e3f8407d65e1e261683cc0295afc62027089a367144df55c5639ec9d9a. Chain 2 (Bitcoin): anchored in block 958355 (2026-07-17T03:11:50Z), 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/ES71G2224232.
Strokes of time (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76098ee9ae2fbd6bb7c1a08483546cbbe904c8e77b041be9aff8771a3438d84c. Chain 2 (Bitcoin): anchored in block 958800 (2026-07-20T03:03:34Z), 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/ES71G2238498.
Leaving the moorings of my memories (classical theater work)
Ancient Greek Music Lament for the death of Patroclus, pt. 1 (Instrumental)
Ancient Greek Music Lament for the death of Patroclus, pt. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x984ecf4f8672ff340f7ec3beb9b9909e728bbf2168ef43d9cc78e83c72ff4e4a. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/ES71G2301194.
Ancient Greek Music Lament for the death of Patroclus, pt. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe34a67a13b715cf2a89d6ca342455a5ceb8322f1f74811d207e1b84a6d0f67e1. 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/ES71G2306848.
Introspection, Pt. 2 (classical theater work)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42385d75fdeeaef9d2a57131c72959265ba4107e69c62efee545578a12a7534e. 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/ES71G2311217.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bd2f2367ffebf2da5e53af00c110afc6510ed246bf40ec812fc5db22f68611b. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/ES71G2312266.
Sutton Hoo Saxon Knight's Lyre (Edición Deluxe)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48554040f9f8ab1f18c02b857ed8b44d17d2a4e84b1575542ec92396c1f5ea2f. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T21:36:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2313397.
Poem without words Part A (classical theater work)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f1229fe59d662d8298fa89ffceb773c5a767746043b0144afdf2832c658013d. Chain 2 (Bitcoin): anchored in block 958765 (2026-07-19T19:56:06Z), 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/ES71G2335966.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fd57a48a2b43aacd4cd8c4ef087818a6a37743aa11c5b0a0750adcf149a1119. 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/ES71G2106165.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ecbcf1ee1943cd9a0a172458913913f21392ed6e5d9bf6e3473eea3d2dd3e5c. Chain 2 (Bitcoin): anchored in block 958918 (2026-07-20T17:58:04Z), 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/ES71G2410732.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x305ce0a8631a85a377ff90f160e97232e67216e96b631dffb078e92f176db7c1. Chain 2 (Bitcoin): anchored in block 958977 (2026-07-21T08:30:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2412917.
Eolo, nuestro molino (Banda sonora orignal de una obra de teatro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dff2272797845feb408ffcc8e930b95a8214d73493dd8ff705d5fdd4d20ed5f. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZDA52526152.
Mysterious traveler to Panderolandia Hang
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4cee3c007e8d12da0a1897c91f3e45cbb96cd6c7f27fb264f136c8b3fbe64f3. 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/QZNWS2511709.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa91cffa99c71e7e521aed384e8a7d01aacfe30c9d2ff938f89e9954128931ec. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/QZRP42586046.