1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x693faf35e2704f608607503b4d992d17a5e36ba7ad695245652e8475105672ee. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/67e6454f-53ea-4d3c-8228-c69e056bb4d6.json and https://artists.proofprofile.net/proofs/artist/67e6454f-53ea-4d3c-8228-c69e056bb4d6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Dansez le musette (Toutes les musiques des stars de la danse)
La marche des accordéonistes lyonnais - Musette
{"copyright_id":"0x5438299d9a69db4b109bcffef2be0e1d95b717f0088af42d1a5cf9d890b70ed8","isrc":"FRY510778625","name":"La marche des accordéonistes lyonnais - Musette","registered_at":"2026-06-26T12:49:28Z","spotify_id":"5LT2YQqVacwyctEe5stt12","type":"track"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5438299d9a69db4b109bcffef2be0e1d95b717f0088af42d1a5cf9d890b70ed8. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5LT2YQqVacwyctEe5stt12.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5LT2YQqVacwyctEe5stt12.
{"copyright_id":"0x40362609ae73b455441ee3764d8cfc0f6dd8571cd471113e979478ceb9f196d9","isrc":"FRY510778637","name":"La belle java nostalgique - Musette","registered_at":"2026-06-28T03:44:35Z","spotify_id":"1HeeGGdnINHaG2uwAQuq2D","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40362609ae73b455441ee3764d8cfc0f6dd8571cd471113e979478ceb9f196d9. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1HeeGGdnINHaG2uwAQuq2D.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1HeeGGdnINHaG2uwAQuq2D.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefb132a605a6b1860e707438d55758d276481faef889c285108799713dd5d9e6. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5VM4hwF7fHg1GQDAaSfxIJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5VM4hwF7fHg1GQDAaSfxIJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5aa83c591192eb0dfa72f132c71282dfcf110ae6c3e856d872e04200730a8402. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2E5mMccBBuz1GkWxJCjU3n.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2E5mMccBBuz1GkWxJCjU3n.
Les p'tits amoureux du dimanche - Musette
La journée commence avec une tasse de café
Tangos Et Paso Dobles Avec L'acordéon De
Medley tangos: Tango de Marilou / Un violon dans la nuit / Qu'avez-vous fait de mon amour ?
Medley tangos: Chante chante ma guitare / C'est à Capri / Loin de guitares
Medley tangos: Près du feu qui chante / Ecris-moi / Laissez-moi vous aimer
Medley valses: La chanson du voilier / A petit pas / Tant qu'il y aura des étoiles
Medley valses: Tchi-tchi / Un petit cabanon / Bella ragazzina
Medley rumbas: J'ai deux chansons / Marinella
Medley valses: Bercé par la houle / Sous le pont des soupirs
Medley valses: L'étoile qui brille d'amour / Jeunesse / Au bal de l'amour
Medley valses: Au-delà des nuages / C'est toujours toi
Medley rumbas: Siboney / Marta / Quiereme mucho
Medley Paso Dobles: Espana Cani / Mi Jaca / El Gato Montes / Morena de Mi Copla / Alma Andalucia
Medley Tangos: La Cumparsita / Adios Muchachos / Caminito / Adios Pampa Mia / Le Tango de Notre Adieu
Medley valses: Je n'en connais pas la fin / Sous le ciel de Paris / Domino / Un gamin de Paris / Ah ! le petit vin blanc
Medley charlestons: Le danseur de charleston / La goualante du pauvre Jean / Mon manège à moi / Roméo / La Marie-Vison
Medley boléros: Histoire d'un amour / Gondolier / Noche de ronda / Quizas quizas quizas / Tres palabras
Medley sambas: Mon truc en plumes / Si tu va à Rio / Tumba le le / La marmite / Tico tico
{"copyright_id":"0xfc3654ff8025b0dfcd1a144fba86f247ed0aca6c8672fa7cebb04decd52b9217","isrc":"ES5301029149","name":"Hymne a L'amour","registered_at":"2026-06-08T09:28:56Z","spotify_id":"7loRKA7tfGLksQySTApmwj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc3654ff8025b0dfcd1a144fba86f247ed0aca6c8672fa7cebb04decd52b9217. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7loRKA7tfGLksQySTApmwj.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7loRKA7tfGLksQySTApmwj.
{"copyright_id":"0xba04741ae59abd549ac8f233a45c0cbb495add93f202a1a7fdb29585936b37fa","isrc":"ES5301029161","name":"La vie en rose","registered_at":"2026-06-28T04:13:23Z","spotify_id":"2tRxhFlDjFuq58atqQFVtO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba04741ae59abd549ac8f233a45c0cbb495add93f202a1a7fdb29585936b37fa. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2tRxhFlDjFuq58atqQFVtO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2tRxhFlDjFuq58atqQFVtO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1222301d598622eeee07002c758484f09ee9cca2952d16b0b0b44a6280b96306. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0LfPhD5TZmGWJTsHbvj7se.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0LfPhD5TZmGWJTsHbvj7se.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b24aa2533243179368c17166d37ccf76ff7f803ebbc8d52458fc4fc0ec4122e. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7aH6uw0BYCnFllnZPe8UKJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7aH6uw0BYCnFllnZPe8UKJ.
Accordion Vol. 2: The Most Beautiful Songs (Accordéon Vol. 2: les Plus Belles Mélodies)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b6c61f5cbae231af8134aea1c183bb8ffb781778f532a9121ccd40a48df7dfa. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1w88Z3957Gp1IOMUgYFSJc.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1w88Z3957Gp1IOMUgYFSJc.
{"copyright_id":"0x30af56865e495f5ae7280a0937e0d4d8d3c0ac9d4f92a5009b34dec9ea1e01f1","isrc":"FRY510778682","name":"Le P'Tit Bal Du Samedi Sour","registered_at":"2026-06-26T15:49:59Z","spotify_id":"0PVAoJi7ub4AzpAuOBqTUZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30af56865e495f5ae7280a0937e0d4d8d3c0ac9d4f92a5009b34dec9ea1e01f1. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0PVAoJi7ub4AzpAuOBqTUZ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0PVAoJi7ub4AzpAuOBqTUZ.
{"copyright_id":"0xcf3ca66a9d7194fc2abb603d5c8b44fad847649b21d1956cde8b0378ac13daf6","isrc":"FRY510778685","name":"Rue Jouvenet","registered_at":"2026-06-04T11:29:15Z","spotify_id":"5t43VxQuoRuJDJAJnxcCvg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf3ca66a9d7194fc2abb603d5c8b44fad847649b21d1956cde8b0378ac13daf6. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5t43VxQuoRuJDJAJnxcCvg.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5t43VxQuoRuJDJAJnxcCvg.
The Accordion Lifestyle, Vol. 2 (Masters of the Accordion Play Traditional and Popular Songs)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x666a4607d26e71ed77b6e2e0b2b5b4236e7bbd6cac87c60d2081b90694dd8019. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2dLFJf9n8kWnaDC1p0Z8N5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2dLFJf9n8kWnaDC1p0Z8N5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf54805372c7598a4f937e89f3251c650bbb35c9667f97623c2ea1ed7b7adea16. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7gGZDjxGKa1vqJVzggI1rZ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7gGZDjxGKa1vqJVzggI1rZ.
{"copyright_id":"0x3b24aa2533243179368c17166d37ccf76ff7f803ebbc8d52458fc4fc0ec4122e","isrc":"FRY510778657","name":"Beer Barrel Polka","registered_at":"2026-06-28T04:13:47Z","spotify_id":"5NuUIgYReDyITdykiwRq4z","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b24aa2533243179368c17166d37ccf76ff7f803ebbc8d52458fc4fc0ec4122e. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5NuUIgYReDyITdykiwRq4z.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5NuUIgYReDyITdykiwRq4z.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed1694dbb871c0ecf705bf1ebfb419ec4392663ae13e8573e03b65d26e4c7c07. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6yBiq0IPzo7UB5PVtPwTtV.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6yBiq0IPzo7UB5PVtPwTtV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c766298f7f0328cf5298f2701256c7397d74bd60386b67887959ec212a45040. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7GtpYeEWKWtazdXkf0FQcB.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7GtpYeEWKWtazdXkf0FQcB.
Dansez le paso doble (Toutes les musiques des stars de la danse)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefb132a605a6b1860e707438d55758d276481faef889c285108799713dd5d9e6. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4ilZroBOPPVNvOkESelw1W.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4ilZroBOPPVNvOkESelw1W.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x049919d4d955e50589f8df307957b19bc6c5bc16a322e45dfcd79593974ba9ad. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7D79AyIFBd6By5es7eWwmJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7D79AyIFBd6By5es7eWwmJ.
Die ultimative Akkordeon Playlist, Vol. 1
Accordéon Forever, Vol. 1: 100 titres pour les fans d'accordéon
Medley "Abba": Voulez-Vous / Gimme Gimme / Waterloo
Medley: Plaisir D'amour / Allons a Lorient / Trink Trink / La Tyrolienne
Medley: La pierrefortaise / Paro lou loup (Bourrée)
La noce à Saint-Côme (Bourrée à 2 temps)
Accordion Forever, Vol. 2: 100 Tracks for the Ultimate Accordion Fan
Medley: Los poumos / La bourrée des Puys (Bourrée)
Le brise-pieds de Sylvie (Spécial danse)
Bouquet Américain (Medley) : Yankee Doodle / The Yellow Rose of Texas / John Brown's Body / Suzanna
Medley "Ottawan": D.I.S.C.O. / T'es Ok / Haut Les Mains
Vous Les Copains, Je Ne Vous Oublierai Jamais
Medley cha cha: Senorita Chachacha / Y'a pas mieux qu'un cha cha pour danser
Akkordeon Forever, Vol. 3: 100 Titel für die Fans des Akkordeons
Beer Barrel Polka (Frida Oum Papa) - Marsch
Zillertaler Hochzeitsmarsch (C'est Le Oumpapa) - Marsch
Accordéon Forever, Vol. 3: 100 titres pour les fans d'accordéon
Beer Barrel Polka (Frida Oum Papa) [Marsch]
Medley "Ottawan": D.I.S.C.O. / T'es Ok / Haut les mains
Zillertaler Hochzeitsmarsch (C'est Le Oumpapa) [Marsch]
Accordéon Forever, Vol. 2: 100 titres pour les fans d'accordéon
Bouquet Américain (Medley): Yankee Doodle / The Yellow Rose of Texas / John Brown's Body / Suzanna
Accordion Forever, Vol. 1: 100 Tracks for the Ultimate Accordion Fan
Acordeón para Siempre, Vol. 2: 100 Temas para Fanáticos del Acordeón
Accordion Forever, Vol. 3: 100 Tracks for the Ultimate Accordion Fan
Akkordeon Forever, Vol. 1: 100 Titel für die Fans des Akkordeons
Akkordeon Forever, Vol. 2: 100 Titel für die Fans des Akkordeons
Acordeón para Siempre, Vol. 1: 100 Temas para Fanáticos del Acordeón