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 0xcd164ab96bb3dbb1483b6edd6a1748b508da604d0bfcf40814638e8b090ca2ea. 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/bd520383-6bb8-411b-9775-c621faaa6a43.json and https://artists.proofprofile.net/proofs/artist/bd520383-6bb8-411b-9775-c621faaa6a43.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Who Can I Turn To? (When Nobody Needs Me)
El Preciso Aprender A Ser So (Learn To Live Alone)
The Astrud Gilberto Album With Antonio Carlos Jobim
The Shadow Of Your Smile - Love Theme From "The Sandpiper"
A Certain Smile, A Certain Sadness (Expanded Edition)
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 0x4d3a581b620d82639861832d5381ebc8257df1a27a6434aa79c321c105ea09bc. 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/0ofz7rUBELNJXt8E1K4afQ.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/0ofz7rUBELNJXt8E1K4afQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10ec75ee6a56fc9234838755aedeb93a14231e88b73a9d8363c773b47209281d. 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/5ZPTtFlEgRwoUhrtH9u9Rj.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/5ZPTtFlEgRwoUhrtH9u9Rj.
Let's Have The Morning After (Instead Of The Night Before)
I Haven't Got Anything Better To Do (No Tengo Nada Mejor...)
The Girl From Ipanema - Japanese Version
The Shadow Of Your Smile - Japanese Version
Astrud Gilberto with Stanley Turrentine (with Stanley Turrentine)
Wanting Things (with Stanley Turrentine)
Brazilian Tapestry (with Stanley Turrentine)
To A Flame (with Stanley Turrentine) - Instrumental
Solo el Fin (For All We Know) (with Stanley Turrentine)
Traveling Light (with Stanley Turrentine)
Historia De Amor (Love Story) (with Stanley Turrentine)
Where There's A Heartache (There Must Be A Heart) (with Stanley Turrentine)
The Puppy Song (with Stanley Turrentine)
Polytechnical High (with Stanley Turrentine)
Plus James Last And His Orchestra (Jazz Club)
The Girl From Ipanema (Live In New York, 1989)
Mantiqueira Range - Live In New York, 1989
It Might As Well Be Spring - Live In New York, 1989
The Girl From Ipanema - Live In New York, 1989
Da Cor Do Pecado - Live In New York, 1989
Corcovado (Quiet Nights Of Quiet Stars) - Live At Carnegie Hall/1964
Corcovado (Quiet Nights Of Quiet Stars) - Live At Carnegie Hall, USA / 1964
Belmondo, Morricone, Henri Verneuil (Bandes Originales De Films)
Peur Sur La Ville: Sur Les Toits De Paris
Peur Sur La Ville: Menace Téléphonique 1
Peur Sur La Ville: Défense De Stationner
Peur Sur La Ville: Paranoïaquement Vôtre
Peur Sur La Ville: Menace Téléphonique 2
Belmondo, Morricone, Henri Verneuil (Bandes originales de films)
Sur les toits de Paris (Peur sur la ville)
Menace téléphonique 1 (Peur sur la ville)
Défense de stationner (Peur sur la ville)
Paranoïaquement vôtre (Peur sur la ville)
Menace téléphonique 2 (Peur sur la ville)
It Might As Well Be Spring - Live At Carnegie Hall/1964
Who Needs Forever? - From "The Deadly Affair" Soundtrack
It Might As Well Be Spring - Live At Carnegie Hall, NY / 1964
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e9c8e853dde5691179599f83b669e15fc56eaf57cfb35120d67fdb10563d516. 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/7Mw6rrDRHtzK9hY1OaA3ut.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/7Mw6rrDRHtzK9hY1OaA3ut.
DUPLICATE - Corcovado (Quiet Nights Of Quiet Stars)
Eu E Voce (Me And You) - Live At Cafe Au Go Go/1964
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6f0fdc78262b76a0c78f0753ab54ca6c49340417d07b7c7ad34b6aa872f172c. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/04iIQ8MKXIje1lsm7nrNqI.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/04iIQ8MKXIje1lsm7nrNqI.
Eu E Voce (Me And You) - Live At Cafe Au Go Go
Only Trust Your Heart - Live At Café Au Go-Go/1964
It Might As Well Be Spring - Live At Café Au Go-Go/1964
Only Trust Your Heart - Live At Café Au Go-Go,1964
It Might As Well Be Spring - Live At Café Au Go-Go,1964
Medley (Mamae Eu Quero, Chica Chica Boom Chic)
20th Century Masters: The Millennium Collection - The Best of Astrud Gilberto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb9f15fa34f44b0d81b2c6c038c9e387c545dd6660d7fe22942a62849a8fe19e. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/70oA5nuCIzL7iwcORK2rr5.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/70oA5nuCIzL7iwcORK2rr5.
It Might As Well Be Spring - Live At Cafe Au Go Go, 1964
Who Needs Forever - Thievery Corporation Remix
{"copyright_id":"0xd6f0fdc78262b76a0c78f0753ab54ca6c49340417d07b7c7ad34b6aa872f172c","isrc":"USPR36500060","name":"Água de Beber","registered_at":"2026-06-17T19:57:47Z","spotify_id":"4B9lBKuPFGjZCLxlkwJYDP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6f0fdc78262b76a0c78f0753ab54ca6c49340417d07b7c7ad34b6aa872f172c. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4B9lBKuPFGjZCLxlkwJYDP.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/4B9lBKuPFGjZCLxlkwJYDP.
Medley: Mamae Eu Quero / Chica, Chica, Boom Chic
The Girl From Ipanema (Performed Live On The Ed Sullivan Show /1970)
The Girl From Ipanema - Performed Live On The Ed Sullivan Show 10/25/1970
Medley: Mamae Eu Quero/Chica Chica Boom Chic
Far Away (vocal and trumpet by Chet Baker)
Colección 5 Estrellas. Astrud Gilberto. Vol.1
Colección 5 Estrellas. Astrud Gilberto. Vol.2
The Telephone Song - Live At Cafe Au Go Go/1964
Best Of The Essential Years: Astrud Gilberto
Best of the Essential Years: Astrud Gilberto
Far Away (Vocal and Trumpet By Chet Baker)
Corcovado (Quiet Nights Of Quiet Stars) - Live At Cafe Au Go Go, 1964
Quiet Nights of Quiet Stars - Alternate Take
Far Away (Vocal and Trumpet by Chet Baker)
Corcovado (Quiet Nights Of Quiet Stars) - Live At Café Au Go-Go,1964
Mamãe Eu Quero / Chica Chica Boom Chic - Remastered
We´ll Make Today Last Night Again - Remastered
One Note Samba - Live At Café Au Go-Go,1964
All By Myself/All Alone (Medley/Live On The Ed Sullivan Show, September 25, 1966)
All By Myself/All Alone - Medley/Live On The Ed Sullivan Show, September 25, 1966
The Girl From Ipanema/Black Orpheus/Agua De Berber (Medley/Live On The Ed Sullivan Show, October 25, 1970)
The Girl From Ipanema/Black Orpheus/Agua De Berber - Medley/Live On The Ed Sullivan Show, October 25, 1970
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe2d1aafa1952c7b467dc15e156f52c1801db4323f178ded06c00e31cecf6214. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/56nXPhIpF1JluugBO6nS21.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/56nXPhIpF1JluugBO6nS21.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48ae3e6c5ec736ad8e33ce365e870e75a5eed54962d01925bf11a728cb8b1b83. 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/6Rd062uMerFeB4SSdvL78A.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/6Rd062uMerFeB4SSdvL78A.
{"copyright_id":"0xd6f0fdc78262b76a0c78f0753ab54ca6c49340417d07b7c7ad34b6aa872f172c","isrc":"USPR36500060","name":"Água de Beber","registered_at":"2026-06-17T19:57:47Z","spotify_id":"28NiaTsCimJKDU1xaFSrWS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6f0fdc78262b76a0c78f0753ab54ca6c49340417d07b7c7ad34b6aa872f172c. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/28NiaTsCimJKDU1xaFSrWS.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/28NiaTsCimJKDU1xaFSrWS.
Ladies And Gentlemen... The Best Of George Michael
{"copyright_id":"0xf416d488e2afdfcc890b702dc880e5cfadf97c6b85f1e16b5c0963ab4f7f563f","isrc":"USLIC0601759","name":"Desafinado (with Astrud Gilberto)","registered_at":"2026-06-04T11:00:04Z","spotify_id":"12mgkzfizFiWfrhr4EOKfn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf416d488e2afdfcc890b702dc880e5cfadf97c6b85f1e16b5c0963ab4f7f563f. 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/12mgkzfizFiWfrhr4EOKfn.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/12mgkzfizFiWfrhr4EOKfn.
FIP, Vol. 3 : La playlist qui rythme votre vie (La sélection musicale de FIP)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe2d1aafa1952c7b467dc15e156f52c1801db4323f178ded06c00e31cecf6214. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/27LD4aZXD1gG5VEwvq7YCP.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/27LD4aZXD1gG5VEwvq7YCP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdcee3b7de77956dd5d8d1927b588da0311a05769596c3e0380ef0dcdb6a89a9. 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/1yZHLVR3cNa9bK8nd2Z9vh.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/1yZHLVR3cNa9bK8nd2Z9vh.
Bar Lounge Classics - Latin Lounge Edition
{"copyright_id":"0x466c7c04e1e01a38f645bbbc41d3659d75f7f3e62ced7ec55f14a17bf8e24ac5","isrc":"USGR10500028","name":"The Gentle Rain - RJD2 Remix","registered_at":"2026-06-08T10:44:43Z","spotify_id":"3VuG5KwZJTpc53EXtMaYcq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x466c7c04e1e01a38f645bbbc41d3659d75f7f3e62ced7ec55f14a17bf8e24ac5. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3VuG5KwZJTpc53EXtMaYcq.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/3VuG5KwZJTpc53EXtMaYcq.
Jazz District - Best Of CTI (KulturSPIEGEL)
Lifestyle2 - Latin Jazz Vol 2 (International Version)
{"copyright_id":"0xe77881e801fcf2b1805fcb43a7cbd9bace20edfbb2dc88a140dd53d63ff8ad48","isrc":"USPR36312115","name":"The Girl From Ipanema","registered_at":"2026-06-21T21:02:55Z","spotify_id":"6EFkzhdr5miXHigx9HPqn4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe77881e801fcf2b1805fcb43a7cbd9bace20edfbb2dc88a140dd53d63ff8ad48. 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/6EFkzhdr5miXHigx9HPqn4.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/6EFkzhdr5miXHigx9HPqn4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6f0fdc78262b76a0c78f0753ab54ca6c49340417d07b7c7ad34b6aa872f172c. 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/32ZXUsjwaU4y7S4wahaZ6n.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/32ZXUsjwaU4y7S4wahaZ6n.