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 0x9a60d8bff4bc364e3434f5950113af018d77c9455bf65ff0081d593cfe4142e9. 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/39455c49-6ed2-4ffd-8a5f-40faac8be452.json and https://artists.proofprofile.net/proofs/artist/39455c49-6ed2-4ffd-8a5f-40faac8be452.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Song You'll Never Hear (feat. Maisie Peters)
{"copyright_id":"0xac99a9e921be94a8d912e4d6b4189c454adbfb2521e1b606cb8fb9bab8c170e1","isrc":"USSM12104023","name":"Song You'll Never Hear (feat. Maisie Peters)","registered_at":"2026-06-07T20:13:56Z","spotify_id":"5EmM1BSgdTZTvG86AZhtsw","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 0xac99a9e921be94a8d912e4d6b4189c454adbfb2521e1b606cb8fb9bab8c170e1. 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/5EmM1BSgdTZTvG86AZhtsw.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/5EmM1BSgdTZTvG86AZhtsw.
ill come back to you (feat. Sarcastic Sounds & Rxseboy)
{"copyright_id":"0x26c9edafdf3f14d48c72bea8cf99f8602e11046eaac00746b39036eed8260842","isrc":"USSM12002275","name":"ill come back to you (feat. Sarcastic Sounds & Rxseboy)","registered_at":"2026-06-02T02:04:52Z","spotify_id":"1DoECePnMuLtpLQSCZqwtK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26c9edafdf3f14d48c72bea8cf99f8602e11046eaac00746b39036eed8260842. 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/1DoECePnMuLtpLQSCZqwtK.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/1DoECePnMuLtpLQSCZqwtK.
snowflake (feat. Jaden & Sarcastic Sounds)
tell me your feelings and i won't tell you mine
{"copyright_id":"0xa9c0d0e638e0022b0a103dab667a5014b5c08fb47053d0bbb9c1173973452cc6","isrc":"USSM12105514","name":"snowflake (feat. Jaden & Sarcastic Sounds)","registered_at":"2026-06-04T08:18:08Z","spotify_id":"7KW1AtQKFToSoF1kmyk2wE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9c0d0e638e0022b0a103dab667a5014b5c08fb47053d0bbb9c1173973452cc6. 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/7KW1AtQKFToSoF1kmyk2wE.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/7KW1AtQKFToSoF1kmyk2wE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x294dd43c36728528ab7ea7fbe691dadcc6d3661688b1fe61c33c9ef840f8ec74. 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/5Csvh9yeIDH0rN64thwo75.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/5Csvh9yeIDH0rN64thwo75.
Giants - Sarcastic Sounds x Rxseboy Remix
{"copyright_id":"0x6a98b664605ea99aacd16179912413113fcecdcdbc93b0ff32b495a5ecb3ffae","isrc":"USUG12003129","name":"Giants - Sarcastic Sounds x Rxseboy Remix","registered_at":"2026-06-09T07:25:18Z","spotify_id":"1REKkcutTqfmVXABdvwLt8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a98b664605ea99aacd16179912413113fcecdcdbc93b0ff32b495a5ecb3ffae. 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/1REKkcutTqfmVXABdvwLt8.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/1REKkcutTqfmVXABdvwLt8.
the long way home (feat. Sara Kays & Sarcastic Sounds)
{"copyright_id":"0x9df83f9eca2d752a94e5725fc5a40b23de5b1f22c79a08f4e75411465138cf55","isrc":"USSM12101697","name":"the long way home (feat. Sara Kays & Sarcastic Sounds)","registered_at":"2026-06-08T03:12:26Z","spotify_id":"635ZlfxsLE67vppAy614tg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9df83f9eca2d752a94e5725fc5a40b23de5b1f22c79a08f4e75411465138cf55. 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/635ZlfxsLE67vppAy614tg.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/635ZlfxsLE67vppAy614tg.
the way that you see me (feat. Ayleen Valentine)
{"copyright_id":"0x422e752a5ab7463f934b2bdf811dc5cd668f9c33b4aaf5ebb2f8d47a8ea83623","isrc":"USSM12100536","name":"the way that you see me (feat. Ayleen Valentine)","registered_at":"2026-06-04T10:12:33Z","spotify_id":"0k2bhZ9oM3boyUWaV3MfWk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x422e752a5ab7463f934b2bdf811dc5cd668f9c33b4aaf5ebb2f8d47a8ea83623. 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/0k2bhZ9oM3boyUWaV3MfWk.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/0k2bhZ9oM3boyUWaV3MfWk.
Eyes Blue Like The Atlantic, Pt. 2 (feat. Powfu, Alec Benjamin & Rxseboy)
{"copyright_id":"0x70365c7f6404d4eb24e8f6bec1af994aa998759468280ef9116d98f0a47dce53","isrc":"USAT22005214","name":"Eyes Blue Like The Atlantic, Pt. 2 (feat. Powfu, Alec Benjamin & Rxseboy)","registered_at":"2026-06-01T12:57:53Z","spotify_id":"1eCTQhsNA31FcwyNcJcf86","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70365c7f6404d4eb24e8f6bec1af994aa998759468280ef9116d98f0a47dce53. 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/1eCTQhsNA31FcwyNcJcf86.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/1eCTQhsNA31FcwyNcJcf86.
only in the night (feat. Sarcastic Sounds)
{"copyright_id":"0xfb31a814bf5e2c506f5c47e537d9fe7821ed8095b1ac0ec636eac82487f06898","isrc":"USSM12204026","name":"only in the night (feat. Sarcastic Sounds)","registered_at":"2026-06-10T03:27:36Z","spotify_id":"3fnNHdjQ2G2dySiIJdxcEo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb31a814bf5e2c506f5c47e537d9fe7821ed8095b1ac0ec636eac82487f06898. 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/3fnNHdjQ2G2dySiIJdxcEo.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/3fnNHdjQ2G2dySiIJdxcEo.
{"copyright_id":"0x36d88589dff81aa8e66bc73161738774617de84e488913aa13f9e246508aadcf","isrc":"USSM12004754","name":"Party Girl - Sarcastic Sounds Remix","registered_at":"2026-06-17T04:16:38Z","spotify_id":"5GWKRjTPYjtoeS1Z0gFU3i","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36d88589dff81aa8e66bc73161738774617de84e488913aa13f9e246508aadcf. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:32:11Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5GWKRjTPYjtoeS1Z0gFU3i.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/5GWKRjTPYjtoeS1Z0gFU3i.
{"copyright_id":"0xc4eac6d48e4b4369d860f1d13334db4659387e25e25cf626ae83da5a5f8bd3b6","isrc":"QM24S1921047","name":"Robin Hood (Sarcastic Sounds Remix)","registered_at":"2026-06-07T07:42:12Z","spotify_id":"1xEbN8O5cJFnaykZtmJSZo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4eac6d48e4b4369d860f1d13334db4659387e25e25cf626ae83da5a5f8bd3b6. 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/1xEbN8O5cJFnaykZtmJSZo.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/1xEbN8O5cJFnaykZtmJSZo.
{"copyright_id":"0x7f5091af5db37e2f3f6a1552cdcb78c0b08a3670fc65cd9ed7ec18ce427a3442","isrc":"GBKPL2141616","name":"Lost - Remix","registered_at":"2026-06-10T04:08:34Z","spotify_id":"1cIosaKteyVqD5nH8tOKCb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f5091af5db37e2f3f6a1552cdcb78c0b08a3670fc65cd9ed7ec18ce427a3442. 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/1cIosaKteyVqD5nH8tOKCb.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/1cIosaKteyVqD5nH8tOKCb.
hold somebody (feat. powfu & sarcastic sounds)
{"copyright_id":"0x2cdd8ac311bb9e231cde65e76c2566c7e0fb67853236d4f65bf61c4a2959b4cf","isrc":"USEP42008011","name":"hold somebody (feat. powfu & sarcastic sounds)","registered_at":"2026-06-06T10:36:10Z","spotify_id":"3zj1UqWV5XFBMLGBmvokQ5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cdd8ac311bb9e231cde65e76c2566c7e0fb67853236d4f65bf61c4a2959b4cf. 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/3zj1UqWV5XFBMLGBmvokQ5.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/3zj1UqWV5XFBMLGBmvokQ5.
{"copyright_id":"0x2cdd8ac311bb9e231cde65e76c2566c7e0fb67853236d4f65bf61c4a2959b4cf","isrc":"USEP42008011","name":"hold somebody (feat. powfu & sarcastic sounds)","registered_at":"2026-06-06T10:36:10Z","spotify_id":"2nM7VjLc9rkb9c0WzoiwOA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cdd8ac311bb9e231cde65e76c2566c7e0fb67853236d4f65bf61c4a2959b4cf. 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/2nM7VjLc9rkb9c0WzoiwOA.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/2nM7VjLc9rkb9c0WzoiwOA.
{"copyright_id":"0x97b6435ac586aa86df7db002196c19f8ee8e0a4fbeb391b546803d9e138bd1a2","isrc":"USSM12103970","name":"Closure (feat. BIRDY and Mishaal)","registered_at":"2026-06-04T11:57:30Z","spotify_id":"2gQqknpjQSpBwJOtvTOnqP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97b6435ac586aa86df7db002196c19f8ee8e0a4fbeb391b546803d9e138bd1a2. 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/2gQqknpjQSpBwJOtvTOnqP.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/2gQqknpjQSpBwJOtvTOnqP.
{"copyright_id":"0x4cb05ef26e976ac29cc198ff1ceb214f3944aa12f3cdc0cd3a39d3ef285b4f95","isrc":"QM24S2102997","name":"how to live","registered_at":"2026-06-04T12:46:09Z","spotify_id":"1DiOSZ8PpnmwgriDH0RNQd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cb05ef26e976ac29cc198ff1ceb214f3944aa12f3cdc0cd3a39d3ef285b4f95. 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/1DiOSZ8PpnmwgriDH0RNQd.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/1DiOSZ8PpnmwgriDH0RNQd.
{"copyright_id":"0xa3deba567c3aeb5a01e767175af3ebaf31fb47069918fb00a59216af0f2bd42b","isrc":"TCAEN1970801","name":"Wish You Were Mine","registered_at":"2026-06-04T11:07:21Z","spotify_id":"1ZHRUXw3f03W6YM3vQ3ehv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3deba567c3aeb5a01e767175af3ebaf31fb47069918fb00a59216af0f2bd42b. 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/1ZHRUXw3f03W6YM3vQ3ehv.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/1ZHRUXw3f03W6YM3vQ3ehv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4656f7abc2d50d3bd5451cf0c03f9353ad0a9d849fd44d4740416991e6502dba. 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/424BvqWZGwElx31qh0B2jw.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/424BvqWZGwElx31qh0B2jw.
{"copyright_id":"0x4ac91ed17f62dcb9d2893dfd4f238377ddf32a990e8e87cf79345d3ee7a089c8","isrc":"USSM12104022","name":"Disappointment (feat. Rxseboy)","registered_at":"2026-06-04T09:26:12Z","spotify_id":"6Xoe3jKnSFKSzsQ8kdDT7I","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ac91ed17f62dcb9d2893dfd4f238377ddf32a990e8e87cf79345d3ee7a089c8. 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/6Xoe3jKnSFKSzsQ8kdDT7I.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/6Xoe3jKnSFKSzsQ8kdDT7I.