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 0x55c375dd3903617307e2bd27e54ef6b1cb0cdb01b8d59c064c49eb1526486cde. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dab92a29-2b29-4d3c-af37-80d42a30d674.json and https://artists.proofprofile.net/proofs/artist/dab92a29-2b29-4d3c-af37-80d42a30d674.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Melodías Para El Día Del Perro: Tonos Alegres Para Jugar
Ritmos De Ladridos: Melodías Juguetonas Para Perros
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 0x763b4b85d2474dc44b45f81abcfcc278fc33d4e3e3d337707765869bd165b8c2. 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/QZTV32426011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1076f34d1169faa42e7056cd8794c71a5e87ceadca59ad3e8a21ddccf8ba506d. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/QZTV32426001.
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 0x9299c445d7734c8f3ec041fbb8857fb8b42ed271ac94527b6faf344f8464374c. Chain 2 (Bitcoin): anchored in block 960513 (2026-08-01T04:52:22Z), 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/QZTV32426036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x511a65c40254cde2d2f6210d6a7e99fe67c9330c673b861ae3095c24c51e8436. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/QZTV32426044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2e438ec197f00bc477166fe73e72a9f5831e776bbc92e0e7bc32bd72fd87858. 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/QZTV32426061.
Música Para La Tranquilidad De Los Perros: Melodías Calmantes Caninas
Melodías Costeras: Paseos Oceánicos Para Perros
Un Paseo Por El Río: Melodías Relajantes Para Perros
Los Perros Disfrutan De Los Sonidos Del Río
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ef19c5b5814d3f7b9d61ae9b6ed2a226b13ce629bf7600dc8b1de3c26443db6. 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/GBRKQ2445923.
Tranquilidad Canina Junto A Las Aguas Que Fluyen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf98b4f850f7686bdfbf212e39f5eddee64125b43bbf3e81c289b58bc5aca39f4. 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/GBRKQ2445938.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee28649bd880f7f4cee1f834f31b32da694c1bb1f907d75cdc5fdbd220cd510a. 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/GBRKQ2445947.
Ambiente Del Río Para El Descanso Del Perro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ac32acac93588cec7e7002e748434bb9d3b9a45a97dabc72322c7faee253355. 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/GBRKQ2445967.
Paz Del Océano: Sonidos Reconfortantes Para Mascotas
Salpicaduras De Lluvia: Sonidos Juguetones Para Perros
Los Perros Disfrutan De Las Salpicaduras
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e6f2cb9d18af01ebdb12b8a4c9cb0ff352b349f8079946e95e05ed932bf8e71. 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/GBWUL2453071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c200ddd139cbe57551f6398ea4e36b7dade492abc586917d76c3b1fd77762a5. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/GBWUL2453056.
Confort Canino: Armonías De Fuego Para Perros
Momentos De Perro Tierno: Unión Armónica Del Piano
Serenatas Recomfortables: Canciones De Cuna Melódicas En Piano Para Perros
Melodías Caninas Armónicas: Piano Meditativo Para Perros
Serenatas De Jazz Para Perros: Vínculo Armónico De Piano Melódico
Sueños Tranquilos De Perros: Calma Interior Para Cachorros
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdd2d15dc016d98766bacc188a244b0290161681ae050775412427472a7f57fb. 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/QZZ8B2368302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20a441fa08c994bc621aa9329c5de7318f29b0a5aa92861e8470e8e2e433b667. 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/QZZ8B2368347.
Sueño Suave De Perros: Meditacion Para Dormir Tranquilo
Sueños Perrunos: Ruido Blanco Para La Calma
Retiro Melódico: Pájaros Y Sonidos De Cuenco De Cristal Para Perros Contentos
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d59fdabc71e30c1c8a8a807b32bbf6ebd7212b422bb1c31646b5ebf6f8a008e. 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/QZZ8B2360045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc03aaaaa7a31b4d0bd27e3a667c00c3b50a63cde99e66848f60822022064361. Chain 2 (Bitcoin): anchored in block 960099 (2026-07-29T11:30:20Z), 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/QZZ8B2360000.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cab53d203bd003b73451c8fdade737bb1f385bf076faa3259f591b8fae5fd6d. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ8B2360017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef9104ab09b2abd115ede4ae8c7b12cc573f9a5de7ee5222b8ad53d6e6ef8a3f. Chain 2 (Bitcoin): anchored in block 960463 (2026-07-31T20:42:35Z), 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/QZZ8B2360027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74a3dca39a04f4e64ea79546a235ffd164adac007bef7508929ff514c919441c. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/QZZ8B2360072.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe2a9bed4fa0d5fec863b21b197812badead81599ec2d921a283502927d47389. Chain 2 (Bitcoin): anchored in block 960506 (2026-08-01T03:50:58Z), 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/QZZ8B2360081.
Serenata De Lluvias Relajantes: Sonidos Relajantes Para Perros Felices
El Paraíso Canino: Olas Oceánicas Serenas Con Sonidos Relajantes
Lofi Para Perros: Ritmos Suaves Para Relajarte Con Tu Cachorro
Serenata Nocturna: Canción De Cuna Del Bosque Ambiental Y Grillos Para Perros
4 Patitas: Bellos Sonidos De Lluvias Tranquilas Vol. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5113e7e6a3a5ef0285c7fe4f94e82325251332a7ac9f6064c20ce8bf681362e2. 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/QZWDD2319161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6577d1ce90b5df402174ad8865e75a3628c8af4c8c9b5d1d2f386e6cfcc854cf. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWDD2319169.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1495d066cdbef63a39095080d16b74e43d5e1a0ec2007d3a76e4e5a47b28cebf. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/QZWDD2319157.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74621314b0c8f4cb2c648792ef923461057870308e8c15e78ce75227d96b7ce0. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWDD2319166.
Tormenta Eléctrica De Sueño Y Relajación
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd44b4a764433cc0445720ecb074845c346bcbfed45d446e4086a66abf52f53e. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/QZWDD2319171.
Patas Bajo La Lluvia: Música Relajante Para Perros Y Sus Dueños