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 0x678d8e114eb2d88a02187b237324e835e8fb7f0d74e038d3384ffddd2cdbecd6. 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/942da96f-195e-4060-9e75-91a3d27ca9c7.json and https://artists.proofprofile.net/proofs/artist/942da96f-195e-4060-9e75-91a3d27ca9c7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xd29eeabd91e82cd033baf95104784fe522cd25b3fb51199e28897bdc2bc32bcf","isrc":"GBCTA0200098","name":"One And Ever Love","registered_at":"2026-06-29T00:06:27Z","spotify_id":"5bq0Remtwq6J9MW6kdOCr6","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 0xd29eeabd91e82cd033baf95104784fe522cd25b3fb51199e28897bdc2bc32bcf. 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/5bq0Remtwq6J9MW6kdOCr6.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/5bq0Remtwq6J9MW6kdOCr6.
Spirit In The Sky (Wiith Special Guests 'The Kumars')
Spirit In The Sky - Wiith Special Guests 'The Kumars'
Spirit In The Sky - With Special Guests 'The Kumars'
{"copyright_id":"0x76df075f0befc4a38ab152a6ce75e3693c930be783e1c595f096b2b7948a83e3","isrc":"GBCTA0200043","name":"Anyone of Us (Stupid Mistake)","registered_at":"2026-06-05T11:11:45Z","spotify_id":"6C1L1lSSipVE0sEkkSQOKg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76df075f0befc4a38ab152a6ce75e3693c930be783e1c595f096b2b7948a83e3. 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/6C1L1lSSipVE0sEkkSQOKg.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/6C1L1lSSipVE0sEkkSQOKg.
Les Misérables Live! (2010 London Cast Recording)
{"copyright_id":"0x5998f27b4409995e362848bbb9b4be3954a49b628943d0e6a2cce174ff7119a2","isrc":"GBBKB1021217","name":"ABC Café / Red and Black - Live","registered_at":"2026-06-06T03:22:53Z","spotify_id":"5oKEyGXwErZaaCaGV1vWqw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5998f27b4409995e362848bbb9b4be3954a49b628943d0e6a2cce174ff7119a2. 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/5oKEyGXwErZaaCaGV1vWqw.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/5oKEyGXwErZaaCaGV1vWqw.
{"copyright_id":"0xfe2ac01fa74f362544580e64be057cd82d286fd83b7e2ae28a20f24b33cfdbc7","isrc":"GBBKB1021219","name":"In My Life - Live","registered_at":"2026-06-06T09:52:00Z","spotify_id":"51LkYgCh30rOsuWzVUfbtV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe2ac01fa74f362544580e64be057cd82d286fd83b7e2ae28a20f24b33cfdbc7. 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/51LkYgCh30rOsuWzVUfbtV.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/51LkYgCh30rOsuWzVUfbtV.
{"copyright_id":"0x2e32c22ecfb83638a211a3fa0099630f9cb5a92ebcd67cd70902f59a208bc037","isrc":"GBBKB1021220","name":"A Heart Full of Love - Live","registered_at":"2026-06-06T09:52:33Z","spotify_id":"3oAPAAoVWG8WCmLLFrjLqG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e32c22ecfb83638a211a3fa0099630f9cb5a92ebcd67cd70902f59a208bc037. 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/3oAPAAoVWG8WCmLLFrjLqG.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/3oAPAAoVWG8WCmLLFrjLqG.
{"copyright_id":"0x88efe57292ea74ed52aea654c629ebc65df41af3e8ce0bd7ef10fa4c0fbb4452","isrc":"GBBKB1021226","name":"A Little Fall of Rain - Live","registered_at":"2026-06-06T16:35:12Z","spotify_id":"4i5yYb69AIrH6ixwYWbG7l","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88efe57292ea74ed52aea654c629ebc65df41af3e8ce0bd7ef10fa4c0fbb4452. 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/4i5yYb69AIrH6ixwYWbG7l.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/4i5yYb69AIrH6ixwYWbG7l.
{"copyright_id":"0x0b99337bfd9d091e678c944a7ffdee59ca31546ccad688c4ed7b23ba7fd1642c","isrc":"GBBKB1021235","name":"Empty Chairs at Empty Tables - Live","registered_at":"2026-06-07T19:13:56Z","spotify_id":"6L94BaeRRGZGvGaOuQrTbx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b99337bfd9d091e678c944a7ffdee59ca31546ccad688c4ed7b23ba7fd1642c. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6L94BaeRRGZGvGaOuQrTbx.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/6L94BaeRRGZGvGaOuQrTbx.
{"copyright_id":"0xda2c0de9fa74c93d3b9aad1bd13ed4f458692a63079efc883500b55a890cf1e9","isrc":"GBBKB1021236","name":"A Heart Full of Love - Live","registered_at":"2026-06-08T02:22:48Z","spotify_id":"1BeSnk7B4S6BgWxh7OdjrI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda2c0de9fa74c93d3b9aad1bd13ed4f458692a63079efc883500b55a890cf1e9. 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/1BeSnk7B4S6BgWxh7OdjrI.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/1BeSnk7B4S6BgWxh7OdjrI.
{"copyright_id":"0x7f1f3686872cef50255d12b310b20bcc14bcadde3c426759584c6dd47c5bbbfd","isrc":"GBBKB1021237","name":"Valjean's Confession - Live","registered_at":"2026-06-07T19:12:24Z","spotify_id":"3kHyYswX5tO1EGRQmfxEQY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f1f3686872cef50255d12b310b20bcc14bcadde3c426759584c6dd47c5bbbfd. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3kHyYswX5tO1EGRQmfxEQY.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/3kHyYswX5tO1EGRQmfxEQY.