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 0x24338e4d7c9d244abb3b01b4f38a191c39363e1e2f9c6c495bfb3c5c572b6c00. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/14bb9035-ff27-4fc2-a2e3-40766b6b344e.json and https://artists.proofprofile.net/proofs/artist/14bb9035-ff27-4fc2-a2e3-40766b6b344e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x3a1fa73addde985df2856c36c778a35c6af662513ab1dfbcdfa8aff0b7926ddc","isrc":"NLZ542100856","name":"The Lion (feat. Sara Sangfelt)","registered_at":"2026-06-06T04:15:37Z","spotify_id":"4dilhWGYoBY6UJqAIyKMqm","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 0x3a1fa73addde985df2856c36c778a35c6af662513ab1dfbcdfa8aff0b7926ddc. 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/4dilhWGYoBY6UJqAIyKMqm.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/4dilhWGYoBY6UJqAIyKMqm.
{"copyright_id":"0x7e1d72ccddbb04253c472e06ac00ce442b1c0b39ad02d60d52bc40e8c042f13c","isrc":"FR9W12318249","name":"Crashing Down (with Hard Lights)","registered_at":"2026-06-06T10:20:28Z","spotify_id":"2GUkDx7P87JMwBvvY3aNFp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e1d72ccddbb04253c472e06ac00ce442b1c0b39ad02d60d52bc40e8c042f13c. 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/2GUkDx7P87JMwBvvY3aNFp.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/2GUkDx7P87JMwBvvY3aNFp.
{"copyright_id":"0x9b365c0c132e283a861aec5f556d9a319529568e91ab404be81d47050df620c8","isrc":"FR9W12201378","name":"Helicopter (with Jungle Jonsson)","registered_at":"2026-06-19T15:37:57Z","spotify_id":"0QG6jvsz4nseJ3zhCmvXnT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b365c0c132e283a861aec5f556d9a319529568e91ab404be81d47050df620c8. 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/0QG6jvsz4nseJ3zhCmvXnT.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/0QG6jvsz4nseJ3zhCmvXnT.
{"copyright_id":"0xb78626dcf3bf6c824b5ee61c8f334da5e058d2b8e647f309c7e1ec05ee7a0302","isrc":"FR9W12022698","name":"Up All Night (feat. Afrojack)","registered_at":"2026-06-04T06:48:19Z","spotify_id":"5k1uIPpsHmnbWFr4nbpdYb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb78626dcf3bf6c824b5ee61c8f334da5e058d2b8e647f309c7e1ec05ee7a0302. 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/5k1uIPpsHmnbWFr4nbpdYb.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/5k1uIPpsHmnbWFr4nbpdYb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7594f35e03217e9d8fc64f1fa25a04b00ae38d0648a0ef78914aa192a8211a80. 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/3OCbl3FgXS96Vhbf0Dnd24.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/3OCbl3FgXS96Vhbf0Dnd24.
{"copyright_id":"0x6d0a0943fc48f430447ea8b2682e977be189acb624040ee41cc2daa1f3fdf9f8","isrc":"NLZ542202436","name":"Alice in Wonderland - Extended Mix","registered_at":"2026-06-24T01:00:38Z","spotify_id":"4eyJJDGF73gKNMiSYDSxuJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d0a0943fc48f430447ea8b2682e977be189acb624040ee41cc2daa1f3fdf9f8. 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/4eyJJDGF73gKNMiSYDSxuJ.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/4eyJJDGF73gKNMiSYDSxuJ.
{"copyright_id":"0x1d51ac6b79b1bc0d26c27c8d341b088e50ed510c446bbd4ae8be3d551666d5bf","isrc":"FR9W12218003","name":"Stereotype Of A Broken Mind","registered_at":"2026-06-11T11:42:26Z","spotify_id":"7lk2MlQbspkJtyx0oREeNo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d51ac6b79b1bc0d26c27c8d341b088e50ed510c446bbd4ae8be3d551666d5bf. 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/7lk2MlQbspkJtyx0oREeNo.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/7lk2MlQbspkJtyx0oREeNo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d8770a22694d4c5493da392ffd08984b0614948138444eab5aaac1076ee046d. 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/5Q1dyJFyeaFo9PjfrGg2rc.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/5Q1dyJFyeaFo9PjfrGg2rc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc41bfc49fb87fcaa410e76427530df6471e9eb2d76315d3865449898f365a70. 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/21deaXqPzYtLunigUjpZuB.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/21deaXqPzYtLunigUjpZuB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50746538b64c055b0af6f1b84fd2bc0f196935dfc19eeee4dd8e6a21876235a9. 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/4bfHVv3l0nyvJU12zIDhtm.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/4bfHVv3l0nyvJU12zIDhtm.
{"copyright_id":"0xeffd4e281b26e3964035d2b45fc7740faba50e834ed15792de76f95b2963f477","isrc":"FR9W12307138","name":"Butterfly - Sped Up Version","registered_at":"2026-06-05T10:52:07Z","spotify_id":"27P4uxA5NPWsGpUcN6OqbT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeffd4e281b26e3964035d2b45fc7740faba50e834ed15792de76f95b2963f477. 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/27P4uxA5NPWsGpUcN6OqbT.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/27P4uxA5NPWsGpUcN6OqbT.
{"copyright_id":"0x2a79b45c37ba3cec8372aab61204a1a2cc59c765f7f13331143d4800a71e7adc","isrc":"FR9W12231324","name":"Frozen River (feat. Jessica Chertock)","registered_at":"2026-06-06T23:59:40Z","spotify_id":"6pnfPNXGDOpuMhHCM6YwN7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a79b45c37ba3cec8372aab61204a1a2cc59c765f7f13331143d4800a71e7adc. 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/6pnfPNXGDOpuMhHCM6YwN7.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/6pnfPNXGDOpuMhHCM6YwN7.
{"copyright_id":"0x4feb25278ad9929709174d53c1bdb49c3031a7abb43ef54b210b59a6cdb838b3","isrc":"QMDA62142939","name":"Closer to the Sun","registered_at":"2026-06-07T20:59:10Z","spotify_id":"6gEYed2lDZfSxOhgUjyDko","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4feb25278ad9929709174d53c1bdb49c3031a7abb43ef54b210b59a6cdb838b3. 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/6gEYed2lDZfSxOhgUjyDko.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/6gEYed2lDZfSxOhgUjyDko.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd1672d06a8f28f6513e589f6d5013d305e081b50a16ec2373cf0ada9f64663f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/37nSwEkIMceqSk4D6Xchey.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/37nSwEkIMceqSk4D6Xchey.
I Wanna Dance with Somebody (feat. The High)
{"copyright_id":"0x14e070d1ab829691dad1270047050aa7abb0f19b417e427a2bf4e2c3c74b1136","isrc":"FR9W12106760","name":"I Wanna Dance with Somebody (feat. The High)","registered_at":"2026-06-04T11:36:24Z","spotify_id":"6wa9YlQMYlnur0kdTDgwl8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14e070d1ab829691dad1270047050aa7abb0f19b417e427a2bf4e2c3c74b1136. 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/6wa9YlQMYlnur0kdTDgwl8.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/6wa9YlQMYlnur0kdTDgwl8.
{"copyright_id":"0x87ec45dd58d94918312ad54509fcc4db2abf5bcd03274d50310bd7e0ce1b9b82","isrc":"FR9W12036829","name":"Umbrella (with Marnik)","registered_at":"2026-06-04T07:57:24Z","spotify_id":"20PbUoGyGk7jJgLAgqlauh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87ec45dd58d94918312ad54509fcc4db2abf5bcd03274d50310bd7e0ce1b9b82. 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/20PbUoGyGk7jJgLAgqlauh.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/20PbUoGyGk7jJgLAgqlauh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50f65003fb1a1926225115aeb6f76d44cc752c3577a34827bb11478f53e3078e. 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/2Cm2RXqtcJtiWpSJrxuYwA.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/2Cm2RXqtcJtiWpSJrxuYwA.
Over and Out (feat. Charlott Boss) [Marnik Edit]
Over and Out (feat. Charlott Boss) - Marnik Edit
{"copyright_id":"0x24340d8063c568baa1210fa102c21e536f75637985b9beaa2ad499e8a9aae4f3","isrc":"NLZ542000436","name":"Over and Out (feat. Charlott Boss) - Marnik Edit","registered_at":"2026-06-09T14:57:15Z","spotify_id":"5cZdnXcEsjlGLuTePpWztt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24340d8063c568baa1210fa102c21e536f75637985b9beaa2ad499e8a9aae4f3. 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/5cZdnXcEsjlGLuTePpWztt.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/5cZdnXcEsjlGLuTePpWztt.
{"copyright_id":"0x5ca9bc5112d9006aae39bc953029c9422691bca2fc0f2486f50dc32b5ecbb69b","isrc":"NLZ542000125","name":"Over and Out (feat. Charlott Boss)","registered_at":"2026-06-04T14:04:39Z","spotify_id":"4G5tyjccKnH2yGgh9TgPgy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ca9bc5112d9006aae39bc953029c9422691bca2fc0f2486f50dc32b5ecbb69b. 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/4G5tyjccKnH2yGgh9TgPgy.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/4G5tyjccKnH2yGgh9TgPgy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0469486742cbc8748a956d0d7b3a3105260f13132374e34c7fc1448185a17bd1. 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/3d0waXbaYQcEWyKNK9cMjQ.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/3d0waXbaYQcEWyKNK9cMjQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10cbc93355c7a549aa076429d408b5e36533f456809d08be01dacfe237e31dcb. 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/5xhTap26qYVxuZmcfiGL3v.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/5xhTap26qYVxuZmcfiGL3v.