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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6ece2c37ea99663211c416633584f1d5805bcbc3574d6c1d3da5a46e4279f1c. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/942894b5-b6c4-4f79-9fef-e402f9c7eb43.json and https://artists.proofprofile.net/proofs/artist/942894b5-b6c4-4f79-9fef-e402f9c7eb43.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Football World Cup 2010 - 32 National Anthems
Oid, Mortales! (National Anthem of Argentina)
Advance Australia Fair (National Anthem of Australia)
Hino Nacional do Brasil (National Anthem of Brasil)
Chant de Ralliement (National Anthem of Cameroon)
L’Abidjanaise (National Anthem of Côte d’Ivoire )
Der er et yndigt land (National Anthem of Denmark)
God Save The Queen (National Anthem of England
Marseillaise (National Anthem of France)
Deutschlandlied, 3. Strophe (National Anthem of Germany)
God Bless Our Homeland Ghana (National Anthem of Ghana)
Ýmnos ist Tin Eleftherian (National Anthem of Greece)
Himno nacional de Honduras (National Anthem of Honduras)
Fratelli d’Italia (National Anthem of Italy)
Ach’imŭn pinnara (National Anthem of Korea DPA - North)
Aegukga (National Anthem of Korea Republic - South)
Himno Nacional Mexicano (National Anthem of Mexico)
God Defend New Zealand (National Anthem of New Zealand)
Het Wilhelmus (National Anthem of Netherland)
Arise, O compatriots, Nigeria’s Call Obey (National Anthem of Nigeria)
Paraguayos, República o muerte (National Anthem of Paraguay)
A Portuguesa (National Anthem of Portugal)
Nad Tatrou sa blýska (National Anthem of Slovakia)
Zdravljica (National Anthem of Slovenia)
Schweizerpsalm (National Anthem of Suisse)
Orientales, la Patria o la tumba (National Anthem Of Urugay)
The Star-Spangled Banner (National Anthem of The Unites States of America)
Deutschland - Deutschlandlied, 3. Strophe
Polen - Mazurek Dąbrowskiego (Dąbrowskis Mazurka)
Ukraine - Schtsche ne wmerla Ukrajina ( (Noch ist die Ukraine nicht gestorben)
Italien - Fratelli d’Italia (Brüder Italiens)
Niederlande - Het Wilhelmus (Wilhelm von Nassau)
Spanien - Marcha Real (Königlicher Marsch)
Großbritannien - God Save the Queen (Gott schütze die Königin!)
Dänemark - Der er et yndigt land (Es gibt ein liebliches Land)
Griechenland - Ymnos is tin Eleftherian (Ode an die Freiheit)
Russland - Gimn Rossijskoi Federazii (Hymne der Russischen Föderation)
Schweden - Du gamla, Du fria (Du alter, Du freier…)
Irland - Amhrán na bhFiann (Das Soldatenlied)
Kroatien - Lijepa naša domovino (Unser schönes Heimatland)
Portugal - A Portuguesa (Die Portugiesische)
Tschechien - Kde domov můj (Wo ist meine Heimat?)
Hino Nacional Brasileiro (Nationalhymne Von Brasilien)
Advance Australia Fair („Schreite Voran, Schönes, Glückliches Australien") - Nationalhymne Von Australien
Fratelli D'italia (Nationalhymne Von Italien)
Het Wilhelmus (Wilhelm Von Nassau) - Nationalhymne Der Niederlande
Himno Nacional Argentino (Nationalhymne Von Argentinien)
The Star-Spangled Banner („Das Sternenbanner") - Nationalhymne Der USA
Noble Patria, Tu Hermosa Bandera (Nationalhymne Von Costa Rica)
Deutschlandlied, 3. Strophe (Nationalhymne Von Deutschland)
Schweizerpsalm (Nationalhymne Der Schweiz)
Russland - Gimn Rossijskoi Federazii (Nationalhymne Von Russland)
God Save the Queen (Nationalhymne Von England
Marcha Real („Königlicher Marsch") - Nationalhymne Von Spanien
Himno Nacional De Honduras (Nationalhymne Von Honduras)
Salve, Oh Patria (Nationalhymne Von Ekuador)
Ymnos Is Tin Eleftherian („Ode an Die Freiheit") - Nationalhymne Von Griechenland
A Portuguesa (Nationalhymne Von Portugal)
Marseillaise (Nationalhymne Von Frankreich)
Kroatien - Lijepa Naša Domovino (Nationalhymne Von Kroatien)
Orientales, La Patria O La Tumba („Uruguayer, Vaterland Oder Tod!") - Nationalhymne Von Urugay
Himno Nacional Mexicano (Nationalhymne Von Mexico)
Arise, O Compatriots, Nigeria's Call Obey (Nationalhymne Von Nigeria)
L'abidjanaise („Lied Von Abidjan") [Nationalhymne Der Elfenbeinküste]
Chant De Ralliement (Nationalhymne Von Kamerun)
God Bless Our Homeland Ghana (Nationalhymne Von Ghana)
La Brabançonne (Nationalhymne Von Belgien)
Intermeco (Nationalhymne Von Bosnien-Herzegovina)
Himno Nacional De La República De Colombia (Nationalhymne Von Kolumbien)
32 National Anthems Football World Cup 2014
Hino Nacional Brasileiro (National Anthem of Brazil)
Advance Australia Fair („Schreite Voran, Schönes, Glückliches Australien") - Nationalm Anthem of Australia
Fratelli D'italia (National Anthem of Italy)
Het Wilhelmus (Wilhelm Von Nassau) - National Anthem of Netherlands
Himno Nacional Argentino (National Anthem of Argentina)
The Star-Spangled Banner („Das Sternenbanner") - National Anthem of the USA
Noble Patria, Tu Hermosa Bandera (National Anthem of Costa Rica)
Russland - Gimn Rossijskoi Federazii (National Anthem of Russia)
God Save the Queen (National Anthem of England
Marcha Real („Königlicher Marsch") - National Anthem of Spain
Himno Nacional De Honduras (National Anthem of Honduras)
Salve, Oh Patria (National Anthem of Ecuador)
Ymnos Is Tin Eleftherian („Ode an Die Freiheit") - National Anthem of Greece
Kroatien - Lijepa Naša Domovino (National Anthem of Croatia)
Arise, O Compatriots, Nigeria's Call Obey (National Anthem of Nigeria)
L'abidjanaise („Lied Von Abidjan") [National Anthem of Ivory Coast]
Chant De Ralliement (National Anthem of Camerun)
La Brabançonne (National Anthem of Belgium)
Intermeco (National Anthem of Bosnia and Herzegovina)
Himno Nacional de la República de Colombia (National Anthem of Colombia)
National Anthems of All Countries Selected for the 2014 Football World Series
Algeria: Kassaman (Algerian National Anthem)
Argentina: Himno Nacional Argentino (Argentinian National Anthem)
Australia: Advance Australia Fair (Australian National Anthem)
Belgium: La Brabançonne / Li Braibançone (Belgian National Anthem)
Bosnia and Herzegovina: Intermeco (National Anthem of Bosnia and Herzegovina)
Brasil: Hino Nacional Brasileiro (Brasilian National Anthem)
Cameroon: O Cameroun, Berceau de nos ancêtres (National Anthem of Cameroon)
Chile: La Canción Nacional (Chiliean National Anthem)
Colombia: Oh Gloria Inmarcesible (Colombian National Anthem)
Costa Rica: Noble Patria, Tu Hermosa Bandera (Costa Rican National Anthem)
Croatia: Lijepa Naša Domovino (Croatian National Anthem)
Ecuador: Salve, Oh Patria (Ecuadorian National Anthem)
France: La Marseillaise (French National Anthem)
Germany: Das Lied Der Deutschen (German National Anthem)
Ghana: God Bless Our Homeland Ghana (Ghanaian National Anthem)
Greece: Ýmnos Eis Tīn Eleutherían (Greek National Anthem)
Honduras: Tu Bandera Es un Lampo de Cielo (Hondurian National Anthem)
Iran: Sorud-É Djomhuri-Yé Eslami (Iranian National Anthem)
Italy: Il canto degli italiani (Italian National Anthem)
Ivory Coast: L'Abidjanaise (National Anthem of Ivory Coast)
Japan: Kimigayo (Japanese National Anthem)
Mexico: Himno Nacional Mexicano (Mexican National Anthem)
Netherlands: Wilhelmus van Nassouwe (Dutch National Anthem)
Nigeria: Arise, O Compatriots (Nigerian National Anthem)
Portugal: A Portuguesa (Portuguese National Anthem)
Russian Federation: Gosudarstvenny Gimn Rossiyskoy Federatsii (State Hymn of the Russian Federation)
South Korea: Aegukga (South Korean National Anthem)
Spain: La Marcha Real (Spanish National Anthem)
Switzerland: Schweizerpsalm / Le Cantique Suisse / Salmo Svizzero (Swiss National Anthem)
United Kingdom: God Save the Queen (English National Anthem)
United States: The Star Spangled Banner (American National Anthem)
Uruguay: Orientales, La Patria o la Tumba (Uruguayan National Anthem)