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 0x1a2af131547c79d10e01a5e1ee59132c6afa3fcfbe6c9d89aa5ebecba297b426. 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/1d2fc515-7a6f-4588-a8d9-b169a904e29e.json and https://artists.proofprofile.net/proofs/artist/1d2fc515-7a6f-4588-a8d9-b169a904e29e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Esencia De Meditación Lofi: Ritmos Calmados
Tonos Lofi En La Ciudad: Melodías Metropolitanas
Melodías Lofi Relajantes Para Gatos Relajantes
Armonías Felinas: Música Lofi Para Las Siestas De Los Gatos
Cadencia Tranquila: Música Lofi Para El Descanso De Los Gatos
Lofi Canino Tranquilo: Sonidos Serenos Para Perros
Acústica Animal: Sonidos Relajantes Para Mascotas
Estados De Ánimo Felinos: Melodías Relajantes Para Gatos
Ronroneo Lofi: Melodías De Relajación Para Gatos
Armónicos Lofi De Cuna: Melodías Para Que Duerman Los Bebés
Armonía Para Mover La Cola: Ritmos Lofi Para Perros
Sonidos De Yoga Lofi: Ritmos De Equilibrio Pacífico
Sonidos Suaves De Gato Para Hogares Acogedores
Melodías Lofi Suaves Para La Comodidad De Los Gatos
Armonías Perfectas: Música Calmante Para Gatos
Melodías Felinas: Música Para Gatos Tranquilos
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 0x0330db1ff372ef7a7601da284489506f2de2aca8ab0fae24001bf8b6411e09a4. 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/QZZ8A2498727.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d4923c5011e78a06bb536e4374beaf4ec43d6d5e614a1766c3a6f61a9da51b0. 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/QZZ8A2498743.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42e9075c883f75fc7f6365da6af4d1a543a1c770dcfb385a748d7e3f3b7ee91a. 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/QZZ8A2498766.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38f42cb8ea43d77e5ab65904f6f77d95ff0403cec1ddf97fd29b8ecd5aab74f8. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ8A2498751.
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 0x56d4264e6a9e6bda9470700408901f65775fea72ea5ab043bdf0ea043c7a4578. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ8A2498758.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfa85527df5a3f047ce47f285ab430d29a85ff2027eb706cfaf8f6014b319e50. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/QZZ8A2498780.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63143d386303163f68c69354eb532cd86ff2f47d5fcda8ddae2ec136f2f67c60. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/QZZ8A2498828.
Música De Serenidad Del Gato: Melodías Ronroneantes
Melodías Suaves Para Gatos: Música Relajante
Tranquilidad Felina: Melodías Relajantes Para Gatos
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2942469e65bcc1d8c3a2bf7c9e52848e0e6b8387fc534a5dbcb2c20f7f15fc2d. 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/QZZEB2473142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02b2c34f7dd8bca2db355d00bb1aa277e8aed00b1359388a67a9a4e621e6edca. 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/QZZEB2473219.
Melodías Tranquilas Para Calmar A Los Gatos
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x373d91607040cf9f1654140f39075600ced4ebaedc01d39efb433a9605dd7c33. 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/QZZEB2473134.
Ronroneos Y Melodías: Música Relajante Para Gatos
Acordes Juguetones: Música Lofi Para Gatos
Ritmos Relajantes Para Gatos: Música Suave Para Su Confort
Descanso De Hip Hop: Relajación A Través De Ritmos
Música Calmada Para El Confort Nocturno De Los Gatos
Hip Hop Felino: Beats Para Gatos Relajados
Melodías Suaves Para Gatos: Vibras Tranquilas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9ab57701fc3b7d04497c451506cf19a88ddf64a1f838b0b0b925b72ae9c17ba. Chain 2 (Bitcoin): anchored in block 958775 (2026-07-19T22:47:51Z), 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/GBRKQ2515275.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e828e6e96144d3e55d65404ebd3a60f700cc155570c7d690671682093d6be68. 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/GBRKQ2515291.
Un Ronroneo Suave Para Un Descanso Silencioso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb963f7fb72102eecb8f51e0e7d773edd0feb1fd45bd32d8e37434ebe46ddf045. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBRKQ2515298.
Sonidos Gentiles Para El Confort De Un Gato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x033634b7ed3016f5a74169d58dede6813d7156ab508c940cff51ce1f2e07e47e. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), 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/GBRKQ2515305.
Ritmos Del País De Los Sueños: Ritmos De Hip Hop Para Gatos
Patitas De Hip Hop: Ritmos Para Gatos Relajados
Melodías Suaves Lofi Para La Serenidad Nocturna De Los Gatos
Vibraciones Tranquilas Para Felinos Nocturnos
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc114c0b43d5675b61ca71c6c49076b76607659035acbfe336a2cd8f36e633c52. 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/GBWUL2521367.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x784924adb8277e528fa9e4002eab1f21dbe5363cfa19af6d41f4dea65d66243b. Chain 2 (Bitcoin): anchored in block 957253 (2026-07-09T03:08:40Z), 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/GBWUL2521375.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b5637c151765dc183940841777e407490a361594acc8ccd8072fae574e35f67. 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/GBWUL2521390.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa10d60b5c3922a8268a526e5fb988d94f53363127eb0299f8ab7991c1f4159e2. 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/GBWUL2521398.
Tonos Suaves Para La Relajación Del Gato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c05fca825c6ebcbcc032341765db45f4d88b4bf5e6c4f9f6e8f75e07d2e9dcc. 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/GBWUL2521264.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8622fde5257a60df291580e7e369be765b99593101a259c25c9ea0b5bfc2b76. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBWUL2521272.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd40b47debb32314c8e9d3c634e76fea90c1219053c6e81c723fa2a6ab83a288c. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/GBWUL2521342.
Melodías Tranquilas Para La Serenidad De La Noche
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1c6db2f2afb6ac145724f610c6bdef99527c9e0e797072691916ca48984379c. 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/GBWUL2521350.
Armonía Reconfortante Para El Descanso De Los Gatos