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 0x9374c9ec815a38621224de43dd03a440ea26449ab8cc415fadfbb7ef82df9baa. 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/955898c5-0ca0-49ce-ae7e-08fc5984b159.json and https://artists.proofprofile.net/proofs/artist/955898c5-0ca0-49ce-ae7e-08fc5984b159.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
Piano para la Relajación, Vol. 1 (Suave Ambient Piano Música para la Relajación, La Meditación, Dormir, Spa, Yoga, Sueño del Bebé, Estudio, Oración, Masajes, Tai Chi, Lullabies)
Piano para la Relajación, Vol. 2 (Suave Ambient Piano Música para la Relajación, La Meditación, Dormir, Spa, Yoga, Sueño del Bebé, Estudio, Oración, Masajes, Lullabies)
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 0xfc1dacbc3fc8efea92bf820d683c1eeb584b5c11ee71a78758d81fd70e189038. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ2124151 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37eeb0ccd4105d1944d6fa01489d9201ad33cd25bbe5f54d45033c8fa5fc34fa. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ2124152 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8586cc938b66eec3bd3b67f2185acc94143376780ce9c8b98cc69d228cd05088. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ2124153 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6038146d6d655dd845c2fc318ed23be300dcc2f3a667c82bd9f82de68770ac0a. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ2124155 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde4eaa4a3d6d2dbeb1c2986e30ab2943f7f1244699727de2a7a0de309c28597e. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ2124156 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2dafedff5a0513709d36f7d9bea11349925ec27202986dd8098c95a9bbe95dc. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ2124157 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ca65f4265dec93d9a04f9e5eaae8b5706a2ab49e3efb64cacab65e61590e38a. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ2124158 — a six-check JSON result.
Piano Para La Relajación, Vol. 2, Pt. 10
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55e8ad374b8ec6c361aa8594f70b07303d3757485cd9939daf825f10ba55092f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ2124159 — a six-check JSON result.
Piano Para La Relajación, Vol. 2, Pt. 13
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe98b75410e4589d5bfa75b15138190392d9b9c7a67169098dba1527105aa6dc. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T02:46:47Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ2124162 — a six-check JSON result.
Piano Para La Relajación, Vol. 2, Pt. 14
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a2fcb191f11f5c45ab3685533444a0a687dc46fad26221ba6bba63acb672051. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ2124163 — a six-check JSON result.
Piano Para La Relajación, Vol. 2, Pt. 15
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc682fd00ebcea5f4735380a913766eb6f7afd21010ab7f839fd1284e790c8812. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ2124164 — a six-check JSON result.
Piano Para La Relajación, Vol. 2, Pt. 16
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb21bda391b6cf752fcd4f5b40c0aecbfc30e1f902f90d0a0260733403d1bc424. Chain 2 (Bitcoin): anchored in block 958722 (2026-07-19T11:03:50Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ2124165 — a six-check JSON result.
Piano Para La Relajación, Vol. 2, Pt. 18
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e5f92134b33b88cdb00d0b908ca4ac8e8f374bc8104327e8db7fb013d82f516. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ2124167 — a six-check JSON result.
Piano Para La Relajación, Vol. 2, Pt. 19
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4461f1bfc442d4f85a4d9bd5c14d2409315685a1085377918c9581477b6605d. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ2124168 — a six-check JSON result.
Piano Para La Relajación, Vol. 2, Pt. 21
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0ca9c936a9c79eede004002ef59e97d7374cf0e1990aa10ed775e8435492bd7. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ2124170 — a six-check JSON result.
Piano Para La Relajación, Vol. 2, Pt. 22
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63dabaf7629b556fc7715f5b7ecea10d3e46bdce829d8fc66ee6acc3ef0ea61e. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ2124171 — a six-check JSON result.
Retiro Tranquilo Para Mascotas Con Piano Lluvioso
Meditación De Trabajo Lluvioso Con Piano Tranquilo
Meditación En El Abrazo De La Lluvia Al Piano
Orillas Barridas Por El Viento: Piano Que Danza Con Un Despertar Tranquilo
Fantasías Plumosas: El Piano Pinta Sueños Con Melodías De Pájaros
Piano Del Bebé: Melodía De Sueños Apacibles
La Calma Del Piano Para El Yoga: Relajante Equilibrio Armónico
Tranquilidad En Piano: Sonidos Suaves Para La Paz
Música De Piano: Teclas Suaves Al Anochecer
Melodías Serenas Del Crepúsculo En El Piano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93f819d0b520eec13591049b7098ab79161cfb920e2bad36a7dc4c5de2b2fc72. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBRKQ2432085 — a six-check JSON result.
Música De Piano: Viaje Melódico Nocturno