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 0x87a8fa8dc869240018b1c98f59c603f94ce6cd0abee445b18e699aecc073cf73. 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/7f88cbbd-b038-4ee1-b96a-9e28d19f57c9.json and https://artists.proofprofile.net/proofs/artist/7f88cbbd-b038-4ee1-b96a-9e28d19f57c9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Salsa : The Most Beautiful Dance Lounge, Vol.1
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 0xbb4cc929a1de9a3d0305b66c5a503ca62d2b31c81ccfcf745383ed1123c7e174. Chain 2 (Bitcoin): anchored in block 958776 (2026-07-19T20:11:59Z), 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/FR6V80841244.
Waltz : The Most Beautiful Dance Lounge, Vol.1
Waltz : The Most Beautiful Dance Lounge, Vol.3
Foxtrot the Most Beautiful Dance Lounge, Vol.1
Cha-cha the Most Beautiful Dance Lounge, Vol. 1
Charleston the Most Beautiful Dance Lounge, Vol. 1
Tango : The Most Beautiful Dance Lounge, Vol.1
Quick Step : The Most Beautiful Dance Lounge, Vol.1
Paso Doble : The Most Beautiful Dance Lounge, Vol.1
Best Of Dance, Tango, Paso, Bolero, Rumba, Vol. 5
Best Of Dance Tango, Paso, Bolero, Rumba, Vol. 6
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05e870ca6fdd22866f144be8b69222ef055ad719560c3bcca0498df155f41dfc. 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/FR6V81039401.
Boogie Woogie The Most Beautiful Dance Lounge, Vol.1
Bossa The Most Beautiful Dance Lounge, Vol. 1
Madison The Most Beautiful Dance Lounge, Vol.1
Paso Doble: The Most Beautiful Dance Lounge, Vol.3
Rock'n Roll: The Most Beautiful Dance Lounge, Vol.1
Paso Doble: The Most Beautiful Dance Lounge, Vol. 2
Tango: The Most Beautiful Dance Lounge, Vol.2
Bailes de Salón : Quickstep - Los Mejores Bailes (Ballroom Dancing)
Bailes de Salón : Rock 'n' Roll - Los Mejores Bailes (Ballroom Dancing)
Bailes de Salón : Salsa - Los Mejores Bailes (Ballroom Dancing)
Bailes de Salón : Bolero - Los Mejores Bailes (Ballroom Dancing)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a6caa6a6e376915f12c0a71bba864bfa62ca13352f834da57e5183219d463fd. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR6V80356114.
Bailes de Salón : Bossa Nova - Los Mejores Bailes (Ballroom Dancing)
Bailes de Salón : Vals (Los Mejores Bailes, Ballroom Dancing)
Bailes de Salón : Cha-Cha-Cha - Los Mejores Bailes (Ballroom Dancing)
Danse de Salon - Le Meilleur de la Danse
Ballroom Dancing : The Very Best of Dance, 28 Hits
Piano Bar Music (Drink, Cocktail and Relax)
Piano Bar Music (Night Ambiance and Relaxing Music)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf286810fd0714bd357e207790bdca3ae045d8926e320fbf41b9794242137504. Chain 2 (Bitcoin): anchored in block 958613 (2026-07-18T21:35:09Z), 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/FR6V80199164.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2be6c75ddae9ed08a1db2df8989e92a3709c19abb9945295669a757525580aca. Chain 2 (Bitcoin): anchored in block 958775 (2026-07-19T20:13:58Z), 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/FR6V80199166.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42da68e6b96d3484222ab6929f20ef5eeb8ef2dd5f8020b8349fd655c87855d1. Chain 2 (Bitcoin): anchored in block 958271 (2026-07-16T09:16:54Z), 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/FR6V80199167.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x785021c72d2b39d2174f34c9e96affe3d6e4ec2650b56536aeebb7bf4136cd87. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/FR6V80199169.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c792337018fcff984ab1f5605a81717ab0fa45f5384faae2d5a1a7a1df50cd5. Chain 2 (Bitcoin): anchored in block 957744 (2026-07-12T19:15:44Z), 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/FR6V80199172.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4805f763c932ad8eb626803c9790b9d3e2b8ab4bd893d18050284be072abe204. 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/FR6V80199173.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09e7e410f9a77ca9beeee5ceba8862629d9c476ae47251fe7af5ca304b67f9ce. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/FR6V80199174.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47c95294715e5defc28a56f38110ceee741fc9cf7cb63d75868772b5ddfd1903. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T00:27:37Z), 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/FR6V80199176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x038e0ad89a0140d173dc07043199194cd763e5e2eb4f36420b427fa220d30159. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/FR6V80199179.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x234b069c15d084fe5a99fa220f783a39310daab1da33a618fa9c19b3fe431890. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/FR6V82045705.
J'apprends à danser le Slow (Les plus belles danses de salon)
I Love the Most Beautiful Dance (School of Dance)
Je danse le Madison (Les plus belles danses)
Les plus belles danses de salon (École de danse)
J'apprends à danser le Rock'n'Roll (Les plus belles danses de salon)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x143d14259cf9694c4c97e4dec9f39ead6b97328be070aaeb310168110fbf0e30. Chain 2 (Bitcoin): anchored in block 958075 (2026-07-14T22:55:31Z), 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/FR6V82045183.
The Most Beautiful Dance (Dance Forever)
Je danse les plus belles danses de salon (Les plus belles danses)
J'apprends à danser le Cha-Cha-Cha (Les plus belles danses de salon)
J'apprends à danser le Paso Doble (Les plus belles danses de salon)
J'apprends à danser la Salsa (Les plus belles danses de salon)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5867a00d483c5ccaf11ac700b8c96729bd67d0b53ba2178fca3b015a8a113957. Chain 2 (Bitcoin): anchored in block 957747 (2026-07-12T19:35:06Z), 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/FR6V82434184.
Ballroom Dancing (The Best of Social Dance)
Les plus grandes musiques du cinéma muet (Lounge music, Piano Bar, Relaxation, Musique de Salon)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2889d094ccf86ce91c2335cf3b0d1eca2493de97b25cea73150a2a3c142cbf8f. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/FR6V82312906.
Danses de salon pour débutants (Les plus belles danses de salon)
Romantic Saxophone (Ballroom Dancing) [Music for Relaxation]
Les plus belles danses de salon: Bossa Nova
Les plus belles danses de salon : Paso Doble
Les plus belles danses de salon : Marche
Les plus belles danses de salon : Valse (Les plus belles danses)
Romantic Piano (The Very Best Love Songs)
Piano Bar (The Best Of) [Famous French Love Songs]
Ballroom Dancing: Rock and Roll Dance (The Most Beautiful Ballroom Dance)
Ballroom Dancing: Swing Dance (The Most Beautiful Ballroom Dance)
Ballroom Dancing: Foxtrot Dance (The Most Beautiful Ballroom Dance)
Piano Bar: The Best Of (Romantic Love Songs)
Piano Bar: Love Songs (The Very Best of Love Songs)
Ballroom Dancing: Tango Dance (The Most Beautiful Ballroom Dance)
Ballroom Dancing: Bolero Dance (The Most Beautiful Ballroom Dance)
Ballroom Dancing: Paso Doble Dance (The Most Beautiful Ballroom Dance)
Ballroom Dancing: Cha Cha Cha Dance (The Most Beautiful Ballroom Dance)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a387fdc3f699f067e50bc1455fd362999efdf7526df09f27e7f26aad181d51e. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/FR6V82510024.
Ballroom Dancing: Samba Dance (The Most Beautiful Ballroom Dance)
Ballroom Dancing: Rumba Dance (The Most Beautiful Ballroom Dance)
Ballroom Dancing: Salsa Dance (The Most Beautiful Ballroom Dance)
Ballroom Dancing: Bossa Nova Dance (The Most Beautiful Ballroom Dance)
Songs and Music for Crying (The Very Best of Sad Songs - Tears and Crying)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0796d84488f901282ff7ed27cd02fabb5d7c6d20f939b76ea36151c3b21af6e1. Chain 2 (Bitcoin): anchored in block 957754 (2026-07-12T21:26:22Z), 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/FRX201511925.