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 0xa324862fb9becf7e4167f0e65e8ec2450c2c8a35f77119917ecefd458c40c52b. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d4dc5098-2eee-431b-b69b-22c04597f927.json and https://artists.proofprofile.net/proofs/artist/d4dc5098-2eee-431b-b69b-22c04597f927.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Last Tango in Paris - Para Mi Negra - Single
Introduction / Cancion Del Llamero / Tango
Bachianas Brasileiras / Haleo and the Wild Rose
Last Tango in Paris (Original Motion Picture Soundtrack)
Last Tango in Paris - Ultimo Tango a Parigi (Titles)
Last Tango In Paris (Jazz - 2nd Version)
Last Tango In Paris (6th Version) - Finals
Ultimo Tango A Parigi (Original Soundtrack Track) - Single
Last Tango in Paris (Original Soundtrack Track) - Single
El Pampero - Recorded Live Montreux, Switzerland
Ultimo Tango a Parigi (Colonna sonora originale)
Último tango em Paris (Trilha sonora do filme original)
Last Tango in Paris (Jazz - 2nd Version)
Last Tango in Paris (6th Version) - Finals
La China Leoncia Arreo La Correntinada Trajo Entre La Muchachada La Flor De La Juventud
La China Leoncia Arreo La Correntinada Trajo Entre La Muchachada La Flor De La Juvuntud
Last Tango in Paris (Jazz Version) - Single
Last Tango in Paris (From "Last Tango in Paris - Ultimo tango a Parigi") - Jazz
Caliente!... Live! (Paul's Mall, Boston Ma Oct 1St 1976) [Remastered]
Fiesta / Instrumental (Remastered) - Live
Adios Part 1 And Part 2 (Remastered) - Live
I Want You (Reprise) [Remastered] - Live
Gods And Astronauts (Errare Humanum Est)
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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 0xa19a14c72b9f130e552280726a0d931c8fb1dc903bf42a6fad050b04567888f3. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7w29YtWUmCDAxFgJB8s4fH.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/7w29YtWUmCDAxFgJB8s4fH.
La China Leoncia Arreo La Correntinada Trajo Entre La Muchachada La Flor De La Juvuntud - Single Version
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa19a14c72b9f130e552280726a0d931c8fb1dc903bf42a6fad050b04567888f3. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1T5EGHpXcJuu2Mj60ITGGq.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/1T5EGHpXcJuu2Mj60ITGGq.
Mi Buenos Aires Querido - Remastered - 2001
Last Tango (Theme From "Last Tango In Paris")
Si Tu Me Quisieras (If I Was Your Woman)
Last Tango (Theme From Last Tango In Paris)
The Best Of Gato Barbieri 20th Century Masters The Millennium Collection
Bonus tracks: The Last Tango In Paris Suite
Bachianas Brasileiras/ Haleo and The Wild Rose
El Pampero (Recorded Live Montreux, Switzerland)
Jeanne (From "Last Tango in Paris - Ultimo tango a Parigi")
Last Tango in Paris (From "Last Tango in Paris") - Finals
Le Dernier Tango à Paris (La Bande Originale Du Film) [Edition Remasterisée]
Introducción: Canción del Llamero - En Vivo
La China Leoncia Arreó la Correntinada, Trajo Entre la Muchachada, la Flor de la Juventud - En Vivo
Medley: Intro / She Is Michelle / Latinoamérica / El Arriero - En Vivo
Club Jamaica (Buenos Aires) En Vivo 1961
What Is This Thing Called Love - En Vivo 1961
Berliner Jazztage, Berlin November 5th. 1972 (Restauración 2023)
El día que me quieras - Berliner Jazztage, Berlin November 5th. 1972 [Restauración 2023]
Encuentros - Berliner Jazztage, Berlin November 5th. 1972 [Restauración 2023]
El Pampero - Berliner Jazztage, Berlin November 5th. 1972 [Restauración 2023]
Sudamérica / Llamerito - Berliner Jazztage, Berlin November 5th. 1972 [Restauración 2023]
detras de la lluvia (Live New Orleans '76)
Europa (Earth's Cry Heaven's Smile) - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44c9c69c918f1e99054f1e9be44c90ef1964e85ed4ed948cb441ac18d53b4629. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/32NUZFxrFCQmdnpoAdPBb3.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/32NUZFxrFCQmdnpoAdPBb3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bc0c281a5322b5a60e5b6e9ad7ac5618ac99e730eaf969b1c60b3d96a4a6beb. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/581OzgoXw8Ek5vhroMjXlG.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/581OzgoXw8Ek5vhroMjXlG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44c9c69c918f1e99054f1e9be44c90ef1964e85ed4ed948cb441ac18d53b4629. 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/5Yo7vnafvWqCIMfs7gz18B.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/5Yo7vnafvWqCIMfs7gz18B.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x167a77de6081b244c32fae6a187c4966c0b8f97b1304636af316aa48302d51de. 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/2B61NxJRfYKd5214eNNg0M.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/2B61NxJRfYKd5214eNNg0M.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa277025bc0a99d338da79382092bfb222f96121947787e66145a024e2d41b64. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5P7ImSgWGsjGsj3RUZvVHK.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/5P7ImSgWGsjGsj3RUZvVHK.
In fondo alla notte - M32 - From "Una bella grinta" / Remastered 2022
Boom! Italian Jazz Soundtracks At Their Finest (1959-1969)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0f7ab2f5d2806462b13849d7d8218a578ece8629b334a09a3347be84f92e49f. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1OtqfXMtL35I8nACQ7mBT4.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/1OtqfXMtL35I8nACQ7mBT4.
Il nero - M1 - From "Il nero" / Remastered 2022
Il nero (Jazz introspettivo) - Remastered 2022
Il nero (Original Motion Picture Soundtrack / Remastered 2022)
Il nero (Lamento jazz) - Remastered 2022
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa19a14c72b9f130e552280726a0d931c8fb1dc903bf42a6fad050b04567888f3. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5xKZe678lFnmZ1gobotScn.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/5xKZe678lFnmZ1gobotScn.
Postcards from Italy - Italian Music for Film
Liberation Music: Spiritual Jazz and the Art of Protest
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc6cf297a904eef49d87fcc846e819af4b4a6977a8ecbf05e69c05f6c81d0fd0. 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/2En043AxfcAO8l6IE4e8Ib.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/2En043AxfcAO8l6IE4e8Ib.
Ultimo tango em Paris (Last Tango in Paris): Theme
El barberillo de Lavapies: Como nací en la calle de la paloma
Gala Lirica. 20 Aniversario Del Teatro De La Maestranza
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa19a14c72b9f130e552280726a0d931c8fb1dc903bf42a6fad050b04567888f3. 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/5jMQSqZoMh5QeWaytLr95U.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/5jMQSqZoMh5QeWaytLr95U.