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 0x51662baf4f26e5343413e3c2a84882b632ada98861d7b607ac951ef3a42c8eb0. 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/87902938-5744-46d0-a84f-4e88cc0e763e.json and https://artists.proofprofile.net/proofs/artist/87902938-5744-46d0-a84f-4e88cc0e763e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
A Whole Day Nearer - Nitin Sawhney Remix
Giudizio Universale - Michelangelo And The Secrets Of The Sistine Chapel (Soundtrack to the Rome Auditorium Conciliazione Show)
A Ladder To The Galaxy/ Ravel: Daphnis et Chloé, M. 57: Entrent Des Jeunes Gens
Die Walküre, WWV 86B: The Ride Of The Valkyries (Excerpt)
J.S. Bach: Mass in B minor, BWV 232 / Sanctus: Mass in B minor, BWV 232: 3. Sanctus
Handel: Messiah, HWV 56 / Pt. 2: 44. Hallelujah
Verdi: Messa da Requiem: Messa da Requiem: 2.2 Tuba Mirum
So Clear - Ambient Remix by Sebastian Mullaert
Boats & Crosses (Remix by Richard Spaven)
Boats & Crosses - Remix by Richard Spaven
Above the Waves of Crystal Water (Remix by Henrik Schwarz)
Above the Waves of Crystal Water, Pt. 1 - Remix by Henrik Schwarz
Above the Waves of Crystal Water, Pt. 2 - Remix by Henrik Schwarz
{"copyright_id":"0xc6c2980e98a9d2dc06f5a1f57c8ac39911ed800abda21d63f07e372548c87a6e","isrc":"GBDCA0300279","name":"On the Nature of Daylight","registered_at":"2026-06-01T09:03:34Z","spotify_id":"56oReVXIfUO9xkX7pHmEU0","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 0xc6c2980e98a9d2dc06f5a1f57c8ac39911ed800abda21d63f07e372548c87a6e. 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/56oReVXIfUO9xkX7pHmEU0.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/56oReVXIfUO9xkX7pHmEU0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x174e4978bf1337b89a32c515217b685c9816b892275406d86cfb491cc716f860. 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/6lvJV4kU2oXyjeP2QoXK7k.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/6lvJV4kU2oXyjeP2QoXK7k.
{"copyright_id":"0xc6c2980e98a9d2dc06f5a1f57c8ac39911ed800abda21d63f07e372548c87a6e","isrc":"GBDCA0300279","name":"On the Nature of Daylight","registered_at":"2026-06-03T01:26:02Z","spotify_id":"58vWVeAtv2LKwlYyRLPWV5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6c2980e98a9d2dc06f5a1f57c8ac39911ed800abda21d63f07e372548c87a6e. 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/58vWVeAtv2LKwlYyRLPWV5.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/58vWVeAtv2LKwlYyRLPWV5.
This Bitter Earth / On The Nature Of Daylight
{"copyright_id":"0x93b7970c3f10d96b9328b4cc97e6d761ee881f1071cacc3fe46f44396c29dcab","isrc":"USRH10903879","name":"This Bitter Earth / On The Nature Of Daylight","registered_at":"2026-06-04T10:56:04Z","spotify_id":"0fVUKrJpQM7jMTgOABVkyi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93b7970c3f10d96b9328b4cc97e6d761ee881f1071cacc3fe46f44396c29dcab. 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/0fVUKrJpQM7jMTgOABVkyi.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/0fVUKrJpQM7jMTgOABVkyi.
{"copyright_id":"0x879e32dc3570f54cd685f8727df87e2952540be10edbbf7ca17ad83cf1ab982a","isrc":"GBDCA0300281","name":"Shadow Journal","registered_at":"2026-06-05T15:54:14Z","spotify_id":"4cXFtk0n7aPjiypuF1HFaA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x879e32dc3570f54cd685f8727df87e2952540be10edbbf7ca17ad83cf1ab982a. 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/4cXFtk0n7aPjiypuF1HFaA.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/4cXFtk0n7aPjiypuF1HFaA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf71af4f3fa5316645cb7fd47696bff166b467a437c7a3236073cfc202aa6787d. 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/5ZN8rZBcZKqGFcAD8er941.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/5ZN8rZBcZKqGFcAD8er941.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59562e4a9c6ea2bc9f952d6365cbd3adb28c38d88fd76055234e7c5b6589076e. 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/3u7yhrMVrJ4qpe0jzDnEmT.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/3u7yhrMVrJ4qpe0jzDnEmT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa061f9ccd756536438f275d3191c89d8eabc1402614570bc4a2356e8b17dcfd. 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/2cq2ycsGi9lPVG89KSxTNh.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/2cq2ycsGi9lPVG89KSxTNh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5d4cb4cecb918c89ef1f7f56e83e23539fc68cb1416b0284e4e918f800be8d0. 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/0PvvSbwry45yi7viPb6GL4.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/0PvvSbwry45yi7viPb6GL4.
On The Nature Of Daylight [Richter] (From "Shutter Island")
{"copyright_id":"0xc6c2980e98a9d2dc06f5a1f57c8ac39911ed800abda21d63f07e372548c87a6e","isrc":"GBDCA0300279","name":"On The Nature Of Daylight [Richter] (From \"Shutter Island\")","registered_at":"2026-06-01T09:03:34Z","spotify_id":"4xzbwTLR6c1rmJI43tdPfj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6c2980e98a9d2dc06f5a1f57c8ac39911ed800abda21d63f07e372548c87a6e. 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/4xzbwTLR6c1rmJI43tdPfj.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/4xzbwTLR6c1rmJI43tdPfj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b0092e559c22ca4210df728862d6a712100aac04e3ec0177b6c52548518e11b. 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/7pNXoDRkjgywKCqatXGUbj.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/7pNXoDRkjgywKCqatXGUbj.
{"copyright_id":"0xc6c2980e98a9d2dc06f5a1f57c8ac39911ed800abda21d63f07e372548c87a6e","isrc":"GBDCA0300279","name":"On the Nature of Daylight","registered_at":"2026-06-01T09:03:34Z","spotify_id":"0Z4BXjLCKhETIHCHCIxZvE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6c2980e98a9d2dc06f5a1f57c8ac39911ed800abda21d63f07e372548c87a6e. 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/0Z4BXjLCKhETIHCHCIxZvE.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/0Z4BXjLCKhETIHCHCIxZvE.
My Brilliant Friend, Season 3 (Original Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3710114a376ce317c1dfe9ae7ce2c64f48349429357958b5358a6596a284b1ee. 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/4MhjVWbbJcIdpkj8049KGF.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/4MhjVWbbJcIdpkj8049KGF.
Waltz With Bashir (Original Motion Picture Soundtrack)
{"copyright_id":"0x879e32dc3570f54cd685f8727df87e2952540be10edbbf7ca17ad83cf1ab982a","isrc":"GBDCA0300281","name":"Richter: Shadow Journal","registered_at":"2026-06-05T15:54:14Z","spotify_id":"2qy5CqiuBv2xsS8EqNfxKd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x879e32dc3570f54cd685f8727df87e2952540be10edbbf7ca17ad83cf1ab982a. 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/2qy5CqiuBv2xsS8EqNfxKd.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/2qy5CqiuBv2xsS8EqNfxKd.
Three Worlds: Music from Woolf Works / Mrs Dalloway: In the Garden
{"copyright_id":"0x3856751846e75c6b9f581101985e9718950d920380c5290d77624c70e96f59b9","isrc":"DEN961631202","name":"Three Worlds: Music from Woolf Works / Mrs Dalloway: In the Garden","registered_at":"2026-06-07T06:12:49Z","spotify_id":"1x9mP6x7YvKeduQmP3v045","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3856751846e75c6b9f581101985e9718950d920380c5290d77624c70e96f59b9. 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/1x9mP6x7YvKeduQmP3v045.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/1x9mP6x7YvKeduQmP3v045.