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 0xce3f69f8ff9f8bc400af76af4e9558c0b53442e24dc83ac48aec11e40916508a. Chain 2 (Bitcoin): anchored in block 954650 (2026-06-21T04:51:12Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d9e9b2c1-f184-42f3-80db-375f471c4067.json and https://artists.proofprofile.net/proofs/artist/d9e9b2c1-f184-42f3-80db-375f471c4067.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Turn Out The Stars: The Songs Of Bill Evans
If Love Were All: The Songs Of Noel Coward
Watch What Happens: The Songs Of Michel Legrand
What Are You Doing The Rest of Your Life
Les Parapluies de Cherbourg (Je ne pourrai jamais vivre sans toi)
Les Demoiselles de Rochefort (Chanson de Maxence)
Watch What Happens - The Songs Of Michel Legrand
What Are You Doing The Rest Of Your Life
Les Parapluies De Cherbourg (Je Ne Pourrai Jamais Vivre Sans Toi)
Les Demoiselles De Rochefort (Chanson De Maxence)
Mefiez-Vous De Paris - From "Eléna Et Les Hommes" By Jean Renoir
Un Homme Et Une Femme - From "Un Homme Et Une Femme" By Claude Lelouch
Les Uns Et Les Autres - From "Les Uns Et Les Autres" By Claude Lelouch
A Paris Dans Chaque Faubourg - From "Quatorze Juillet" René Clair
Les Feuilles Mortes - From "Les Portes De La Nuit" By Marcel Carne
Quel Temps Fait-Il À Paris - From "Les Vacances De M. Hulot" By Jacques Tati
Danse Avec Moi - From "Quai Des Orfèvres" By Henri-Georges Clouzot
Sous Le Ciel De Paris - From "Sous Le Ciel De Paris" By Julien Duvivier
Sous Les Toits De Paris - From "Sous Les Toits De Paris" By Rene Clair
I Will Wait For You - From "The Umbrellas Of Cherbourg" By Michel Legrand
Where's The Love - From "The Umbrellas Of Cherbourg" By Michel Legrand
The Summer Knows - From "The Summer Of 42" By Michel Legrand
Windmills Of My Mind - From "The Thomas Crown Affair" By Michel Legrand
What Are You Doing For The Rest Of Your Life? - From "The Happy Ending" By Michel Legrand
Watch What Happens - From "The Umbrellas Of Cherbourg" By Michel Legrand
Les Feuilles Mortes (From "Les Portes De La Nuit")
Mefiez-Vous de Paris (From "Eléna Et Les Hommes")
Les Uns Et Les Autres (From "Les Uns Et Les Autres")
Quel Temps Fait-it A Paris (From Les Vacances De M. Hulot")
A Paris Dans Chaque Faubourg (From "Quatorze Juillet")
Danse Avec Moi (From "Quai Des Orfèvres")
Sous Le Ciel de Paris (From "Sous Le Ciel de Paris")
Sous Les Toits de Paris (From "Sous Les Toits de Paris")
Un Homme Et Une Femme (From "Un Homme Et Une Femme")
I Will Wait For You (From "The Umbrellas Of Cherbourg")
Where's The Love (From "The Umbrellas Of Cherbourg")
The Summer Knows (From "The Summer Of 42")
Windmills Of My Mind (From "The Thomas Crown Affair")
What Are You Doing the Rest of Your Life (From "The Happy Ending")
Watch What Happens (From "The Umbrellas Of Cherbourg")