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 0x2dd5c946308450f524a645a48db45d8807b61b9d6356bcd665292a69b5a54bea. 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/25d39823-dcdd-4115-9fd9-d69b75eb3910.json and https://artists.proofprofile.net/proofs/artist/25d39823-dcdd-4115-9fd9-d69b75eb3910.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x3678d9329fe0410966e5c3d31e41b0010a1f689f0c54282746ba0a508ba1cfb0. 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/6uyvw17Acl0VZINv06Tj7V.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/6uyvw17Acl0VZINv06Tj7V.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30d40ef14e274da9f8b2240f69c72abaac212f29740ae377f356f89a6426f973. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:32:24Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2BSgGFDMsopz6bHPww0UR4.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/2BSgGFDMsopz6bHPww0UR4.
{"copyright_id":"0x6e2c9c1730ee1fae79b2d619143aa194f73d175ecb0a5eabb91db8abb5511d0a","isrc":"GX6J52400011","name":"Losing My Mind","registered_at":"2026-06-18T04:27:46Z","spotify_id":"0sxqmoQj9acdoUdx8WPtas","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e2c9c1730ee1fae79b2d619143aa194f73d175ecb0a5eabb91db8abb5511d0a. 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/0sxqmoQj9acdoUdx8WPtas.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/0sxqmoQj9acdoUdx8WPtas.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76a1e00822877fe3d7f7361d3c8d8a8ad65f8f71a97da012c228267215f83adf. 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/1bHQCaCHzfqOLFQtIuNdXK.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/1bHQCaCHzfqOLFQtIuNdXK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16bd7a9a13e31be01cef27f67b2d7050362f79cda0b4f26b8b6ef7833d204421. 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/6e1n2hJalQwUKjwosm5iwZ.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/6e1n2hJalQwUKjwosm5iwZ.
Carinito (DJ S.K.T Remix) - Extended Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f165f857e1ee990525ebe9aee812c5dc04014733ed737f1b3d9f76786d0aed5. 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/6BCUs1SfUG1dux6mjfa9sR.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/6BCUs1SfUG1dux6mjfa9sR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24899d55727e28055ea1dd06a1592516b633eb33ae4718ddc890f820a8aa1423. 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/0FivldhIlhJzhbG1E7dbFn.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/0FivldhIlhJzhbG1E7dbFn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad020605e172c34e59fcea362085fccc4ea7ebc7119415e24883e2f80afbd5a7. 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/3fZd2wtXkFiyTIDQmFM9fL.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/3fZd2wtXkFiyTIDQmFM9fL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef4c11153657b635178a4fc40951f05f2334e83cf8b336c8b3f71175f49d642a. 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/3UHg7X9wqF1gYgb5Tdeh96.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/3UHg7X9wqF1gYgb5Tdeh96.
{"copyright_id":"0x7e4c3f7977534ebaa4381e6c09de4afbd70aee31d83c327be485bf1a9e94a11a","isrc":"GBKQU2285102","name":"Drip - NightFunk Remix","registered_at":"2026-06-24T18:21:23Z","spotify_id":"14MA2swm5dQzgHfIhcoihV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e4c3f7977534ebaa4381e6c09de4afbd70aee31d83c327be485bf1a9e94a11a. 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/14MA2swm5dQzgHfIhcoihV.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/14MA2swm5dQzgHfIhcoihV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d0a7b304b2b98b53495491534e4cd420faba524909707be6b7f2f80d01bddb8. 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/24CJHJ71ceuKRkH0npa3UV.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/24CJHJ71ceuKRkH0npa3UV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x098ca861bcd23826eb4548e4841549a8a045ead2f506536ac00ded38553304b6. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6zFHp0sOAQSWNGECix1Gp8.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/6zFHp0sOAQSWNGECix1Gp8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd892f973247a2740b3fb156c3c80207569a0372dfb85672bb429baea4e336d3c. 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/2FFpINTrHGQLT9W3Vhc9QI.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/2FFpINTrHGQLT9W3Vhc9QI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26493a5a8557f335188c004f5dce30aae1f44f199d0d472952895422cfc27734. 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/1fddat155o8mc91PHsAw2m.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/1fddat155o8mc91PHsAw2m.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d0a7b304b2b98b53495491534e4cd420faba524909707be6b7f2f80d01bddb8. 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/4NH9xSGfbs8zchM70KZReS.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/4NH9xSGfbs8zchM70KZReS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cd166a0c08bbab3532632321288916bd4bb30cf16cbb223d6b1d03c93a9592b. 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/56o7MokiZaiNjHJTGZEpu1.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/56o7MokiZaiNjHJTGZEpu1.
4AM In London - Harry Romero Extended Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb09c8033c73d348c97eee83d85651f8c486c535c31969445a76fad56df2b048e. 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/56Ek3iqXXcVB51QVjGMETA.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/56Ek3iqXXcVB51QVjGMETA.
{"copyright_id":"0x18729216aac0852e7ba44a4a780f96c9fd6e5e4faa16cfda315bc743b13a3cc7","isrc":"GBSXS2100033","name":"Love Don't Fade - Majestic Remix","registered_at":"2026-06-26T09:59:14Z","spotify_id":"7fnKwku7y2mCfSfddzYc8H","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18729216aac0852e7ba44a4a780f96c9fd6e5e4faa16cfda315bc743b13a3cc7. 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/7fnKwku7y2mCfSfddzYc8H.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/7fnKwku7y2mCfSfddzYc8H.
{"copyright_id":"0xcf548b9857177e1a805decde2829a798fed2be25a4bfe404b9cd117b73e03560","isrc":"GBSXS2100009","name":"Love Don't Fade","registered_at":"2026-06-11T15:08:38Z","spotify_id":"0EeAOVYuWkUYf1dWKY61fR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf548b9857177e1a805decde2829a798fed2be25a4bfe404b9cd117b73e03560. 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/0EeAOVYuWkUYf1dWKY61fR.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/0EeAOVYuWkUYf1dWKY61fR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a3db1a966715ea630386a88e22ec7c4850b639d056acb096d31b35024cd5cdf. 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/7r8f88Kapl0khiD2dYHKcQ.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/7r8f88Kapl0khiD2dYHKcQ.
{"copyright_id":"0x3d3af24773a31e3e200aa338338ca329ef178fac8e2f090deaca655d25a2e787","isrc":"GBSXS2000172","name":"Boomerang (Round & Round) - Serum Remix","registered_at":"2026-06-20T19:27:52Z","spotify_id":"6472IAXONSb11uwTIGQQoO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d3af24773a31e3e200aa338338ca329ef178fac8e2f090deaca655d25a2e787. 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/6472IAXONSb11uwTIGQQoO.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/6472IAXONSb11uwTIGQQoO.
Boomerang (Round & Round) [Sammy Porter Remix]
Boomerang (Round & Round) - Sammy Porter Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f43c6a955f1c82e404f32ec3fad3efdd337ffbccc1a830fc939b743212dc0ec. 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/4cS4MYnL7D6bmkqLXItC33.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/4cS4MYnL7D6bmkqLXItC33.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9245ef75faedd074a4e52c030e6bc937d09da9c5b97242181d76328889b6addd. 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/3fYcxmIjX8lw29aUzubgeV.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/3fYcxmIjX8lw29aUzubgeV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbed136ddc9880a517e39dccccd557b22d948e4e89a4034461cfb75887e6f510d. 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/6akmyVciLXDjqyykAGwr3s.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/6akmyVciLXDjqyykAGwr3s.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11d5bb1a1e3abebb4b1e0d73493a88cb76f947f5f05d4984bfc25453671d40ba. 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/3WzEoGSrkDXNJuuq198YCS.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/3WzEoGSrkDXNJuuq198YCS.
{"copyright_id":"0xff4a8f9059d648598060a4b3b08d0fc01a2468f4477dfd46ad3208427c880e56","isrc":"GBKQU2500551","name":"Naughty Girl - Dan White (UK) Remix","registered_at":"2026-06-11T15:41:27Z","spotify_id":"3AZpkfKGfwIVLDHWswFSGt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff4a8f9059d648598060a4b3b08d0fc01a2468f4477dfd46ad3208427c880e56. 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/3AZpkfKGfwIVLDHWswFSGt.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/3AZpkfKGfwIVLDHWswFSGt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ab255e91dd96ea5f352fea7a183522943851be9968bf0ba99b9937882937a31. 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/4zyujtPuW01tsF8e4ia6x6.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/4zyujtPuW01tsF8e4ia6x6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x098ca861bcd23826eb4548e4841549a8a045ead2f506536ac00ded38553304b6. 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/74SY7PhCbx0kLjaEVdAbVS.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/74SY7PhCbx0kLjaEVdAbVS.
Don't You Want My Love (JMJ's Breakdown Edit) / Take Me Away (feat. Rae) [Accapella] - Mixed