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 0x9a8eafa179f6eacd24ea8e9df42bb5528e88f8420188624e9ee81b25d2113d9a. 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/c38160eb-5071-44b3-a988-7508e00eed2f.json and https://artists.proofprofile.net/proofs/artist/c38160eb-5071-44b3-a988-7508e00eed2f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x9ac3387415803354ffea6af4e3ef60ae137fae7645692b6046e59dc38138e665","isrc":"SEUM71200346","name":"Ortens favoriter - Remix","registered_at":"2026-06-04T09:47:04Z","spotify_id":"3K7UdFfEr3EWURDOOYvuwq","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 0x9ac3387415803354ffea6af4e3ef60ae137fae7645692b6046e59dc38138e665. 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/3K7UdFfEr3EWURDOOYvuwq.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/3K7UdFfEr3EWURDOOYvuwq.
{"copyright_id":"0x14554ddf459d50f04de7978f8473b0efba3ddc3b68cf9e81f24cf7cd3e0b5417","isrc":"SEUM71200347","name":"Ortens favoriter - Radio Edit","registered_at":"2026-06-11T04:05:58Z","spotify_id":"17LVXIb366ttkCfAEdbWUE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14554ddf459d50f04de7978f8473b0efba3ddc3b68cf9e81f24cf7cd3e0b5417. 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/17LVXIb366ttkCfAEdbWUE.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/17LVXIb366ttkCfAEdbWUE.
{"copyright_id":"0xde60652a55b1ad8161514e9f439ed1792875ac7b5dc6fb3657c5b8dde6a67705","isrc":"SEUM71200348","name":"Ortens favoriter - Remix Instrumental","registered_at":"2026-06-25T15:02:09Z","spotify_id":"7cHc1kmipYQuW7WndgPGcI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde60652a55b1ad8161514e9f439ed1792875ac7b5dc6fb3657c5b8dde6a67705. 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/7cHc1kmipYQuW7WndgPGcI.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/7cHc1kmipYQuW7WndgPGcI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fbb350513bedd581b201a2401ff3420692e8b2d695d3b997b92247c9d78f1c0. 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/3Ekxe3nbNCk5gUyN7KcnfR.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/3Ekxe3nbNCk5gUyN7KcnfR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d9e0833f51906e083272945b5e6e6cb33fdba255138c3109927e42bafe3f58a. 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/6vZ3MadtYqe7xEITIJbcr0.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/6vZ3MadtYqe7xEITIJbcr0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf69443f6448319bd710c495c20ef5fe07606902223caae4c8a3b48fbf252bd9b. 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/3Bcf1by5KICQmL5VscxUCe.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/3Bcf1by5KICQmL5VscxUCe.
{"copyright_id":"0x0dab5e20ae2da21fd099821151e1de52f8b356bb30cdb6713f91029b7bbe736b","isrc":"SEYOK2052016","name":"Bara lite braj","registered_at":"2026-06-20T20:52:22Z","spotify_id":"4wP0u3gAWfb6bZfmpwv6WL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dab5e20ae2da21fd099821151e1de52f8b356bb30cdb6713f91029b7bbe736b. 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/4wP0u3gAWfb6bZfmpwv6WL.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/4wP0u3gAWfb6bZfmpwv6WL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3076c1c4b79c42bc7f2340312f4a9c49c21959eac8b1d19826852acce102217. 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/6mBMF67W9NyoaUNyLrnUKQ.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/6mBMF67W9NyoaUNyLrnUKQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5569546857b21bace828cc63128cda670c365b9f4106f9da84bf6fa629156d43. 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/6FhMxpfsyoSVpwUUxUmFIo.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/6FhMxpfsyoSVpwUUxUmFIo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2adba940c44979341f21e16e5834f47e3a6ac76da86129934b4019f33ff4033. 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/4nVkeKLEXgzguLyHEBtJpi.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/4nVkeKLEXgzguLyHEBtJpi.
{"copyright_id":"0x9d4550b500e1ea59e8b39fec1f739fe664abab33d13e080af8cb651d900b6323","isrc":"SE22R1100101","name":"När Dagen Blir Till Natt","registered_at":"2026-06-09T02:53:14Z","spotify_id":"4wnrGiEB92oTaTlyePkvgl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d4550b500e1ea59e8b39fec1f739fe664abab33d13e080af8cb651d900b6323. 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/4wnrGiEB92oTaTlyePkvgl.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/4wnrGiEB92oTaTlyePkvgl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x841795fff2096fb5e43c5547fcbb32392500bd67d243bdf773e68efd6832d16f. 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/62W8u0LPnzTqghUmGSdXIJ.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/62W8u0LPnzTqghUmGSdXIJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89d448c2c818cb3cb5da23117f59eb9365fee7017a34a2af1efc5dcd5013ba09. 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/6WWNOyNAHzGIuaOA8Io6iU.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/6WWNOyNAHzGIuaOA8Io6iU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfe4a946f79be49fa78b97df9fcfdbe8967781e09388a7368a4ef2355972057f. 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/3qm9beo6HRYzELG2SI4QF7.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/3qm9beo6HRYzELG2SI4QF7.
{"copyright_id":"0x33a678e1a5b8d7d36ae7c08c503037a43ec6b5c5106b12644221b6991cb4f830","isrc":"SE22R1100108","name":"Hört Talas Om Det (med Bigry Mac)","registered_at":"2026-06-28T02:51:47Z","spotify_id":"08ChPDryHVIOTm75PMNJkp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33a678e1a5b8d7d36ae7c08c503037a43ec6b5c5106b12644221b6991cb4f830. 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/08ChPDryHVIOTm75PMNJkp.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/08ChPDryHVIOTm75PMNJkp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x075a47d28a7814935e9a41786c3f08c9424acf3028a613501802edb9b29c5e08. 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/1B5siMrz9OGWsQ7RcdSkAt.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/1B5siMrz9OGWsQ7RcdSkAt.
Två rykande flaskor och en glödande blunt
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x655d90525bb921b62b5591576657b7b92740e5cc2ff4619aecb1a29a74267316. 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/31QNObduU0Cak1cGopRES5.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/31QNObduU0Cak1cGopRES5.
{"copyright_id":"0xffe0f3aa6c4111669b1f15d353977842411920a19838eff4b391aa2cdaa6cef6","isrc":"SEYOK2113853","name":"Aina älskar ganja","registered_at":"2026-06-20T12:43:29Z","spotify_id":"4eRLrhPMkDxBfsd1G4ytlD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffe0f3aa6c4111669b1f15d353977842411920a19838eff4b391aa2cdaa6cef6. 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/4eRLrhPMkDxBfsd1G4ytlD.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/4eRLrhPMkDxBfsd1G4ytlD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d9e0833f51906e083272945b5e6e6cb33fdba255138c3109927e42bafe3f58a. 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/6GD136XtnRXXNJIJ7DJrG8.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/6GD136XtnRXXNJIJ7DJrG8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe39ccc22802c4fb12c424adcb7901745967d95731fd25476501a1d23eb65bf4b. 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/4hqLjctPxgCMwx39Qm8Duv.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/4hqLjctPxgCMwx39Qm8Duv.
{"copyright_id":"0xcb08597e1b4e9e09202d98677d31756c6ebd13b75cc7f52984c2b0bf6dd41e71","isrc":"SEYOK1851142","name":"BITD (Back In The Day)","registered_at":"2026-06-09T09:52:17Z","spotify_id":"0ZSLDWBR9MXRO6nIltFbQZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb08597e1b4e9e09202d98677d31756c6ebd13b75cc7f52984c2b0bf6dd41e71. 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/0ZSLDWBR9MXRO6nIltFbQZ.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/0ZSLDWBR9MXRO6nIltFbQZ.
{"copyright_id":"0xebfe727b92571b0cc8a585a40b0d938dfe0c6bce06b8922a1ad20189a5be2b47","isrc":"SEUM71601961","name":"Vart har du vart","registered_at":"2026-06-22T18:47:32Z","spotify_id":"3cLDh9TvVq3tUCFkqn078p","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebfe727b92571b0cc8a585a40b0d938dfe0c6bce06b8922a1ad20189a5be2b47. 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/3cLDh9TvVq3tUCFkqn078p.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/3cLDh9TvVq3tUCFkqn078p.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2adba940c44979341f21e16e5834f47e3a6ac76da86129934b4019f33ff4033. 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/4ywqwBbd7zlgk1nRdHIhl2.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/4ywqwBbd7zlgk1nRdHIhl2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9940dc27212f2e56a3b7a415009f9b69035cc4a47858dfd2f174f621effec61f. 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/0EOfzJa3gt7KaLs0Z1FZ2J.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/0EOfzJa3gt7KaLs0Z1FZ2J.
{"copyright_id":"0x7fc4e2f2e17fb14a52ba06b9743fdcca15825df735c95c3bb0a8065a73656d6e","isrc":"SEUM71500009","name":"Jag hade en gång en båt","registered_at":"2026-01-29T03:44:12Z","spotify_id":"5szr4bzNGqGkLeYgSMMHso","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fc4e2f2e17fb14a52ba06b9743fdcca15825df735c95c3bb0a8065a73656d6e. 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/5szr4bzNGqGkLeYgSMMHso.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/5szr4bzNGqGkLeYgSMMHso.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8a0e57c3fe10db61ccf203f3dad1e9acda2e0107c502133936c16e8641e4658. 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/0W7hZwsPG1NkZyhu2sVfFw.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/0W7hZwsPG1NkZyhu2sVfFw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7f1ecf95258aa2d2cfc87c42e937ac5deb17fce92e899c93efe09195795726e. 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/5qsGWOg8m0q4TMD75ZQ7s1.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/5qsGWOg8m0q4TMD75ZQ7s1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84ec356185f33ebb01c55357ec2a2e37a76392617fdfa35f1afde16c10459fb4. 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/5TlEoFo6nl9FYd1nUVRaD6.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/5TlEoFo6nl9FYd1nUVRaD6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x786fd61223703336cfd0381ac62885ee81149d3b8acea179480459df7e41ac4c. 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/5wWVk3CKBDjMAa4j1Jdf3F.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/5wWVk3CKBDjMAa4j1Jdf3F.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a7618b7034712b9199c4a0e9aaddf7e0629dcdeccefbbc7f28b75447de121b9. 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/7GTRMxgwZtq5GDOEfk3V5E.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/7GTRMxgwZtq5GDOEfk3V5E.
{"copyright_id":"0xaf0a2ca9ccdd041bf1455e18055c40a5a9aba2eea4ab5eccf75d47882e4b51d8","isrc":"SEVQF1500101","name":"Dum i Huvet","registered_at":"2026-06-20T19:39:36Z","spotify_id":"3d8H281Y89AyGQl17AqgzA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf0a2ca9ccdd041bf1455e18055c40a5a9aba2eea4ab5eccf75d47882e4b51d8. 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/3d8H281Y89AyGQl17AqgzA.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/3d8H281Y89AyGQl17AqgzA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30fb7c53cb2aa7c613dd6c428f020044ce7e12f09cabfa3e0f1d3d23c9a58c65. 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/6nLgmEbLM3XD0HMrpmrNnr.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/6nLgmEbLM3XD0HMrpmrNnr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0e03bb0194b0fc0bdb4fce2a7cbc0c322add2129727fcc38e050b1b2244f1d2. 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/6Zdgr3BnsuNllK58MUEeru.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/6Zdgr3BnsuNllK58MUEeru.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa92d34f9a8742e2ed34303859bf37b8fd005244c983b3cebdf0963d459d7e1c5. 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/2GhviSvZilNqwprJEcl1ZZ.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/2GhviSvZilNqwprJEcl1ZZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x458f752571499154f420f20f7d5c870fd30b69cb9c68a645ecb983237fbf0b06. 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/6ofRPtbSVQbHjU4APM7kDi.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/6ofRPtbSVQbHjU4APM7kDi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc33512e4b1b79500638e25abdd73776361b5737e7365a7cfc71c54d057cd7407. 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/0n1G6NlVZ9ohKkjkYjhSlE.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/0n1G6NlVZ9ohKkjkYjhSlE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2139642caa94b148a15219efe6280e12c8624d92812dae694a4926356a7c884d. 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/3j8WvjVcSb4EiME3HNXvxO.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/3j8WvjVcSb4EiME3HNXvxO.
{"copyright_id":"0x46735baec9af3b2df647105a59d96f1387b100d4b86d4e721becaf95be69fbfa","isrc":"SEUM71401594","name":"Bengen spanar","registered_at":"2026-06-05T12:48:52Z","spotify_id":"50ehr3JEw2C5u8pCyT4Epd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46735baec9af3b2df647105a59d96f1387b100d4b86d4e721becaf95be69fbfa. 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/50ehr3JEw2C5u8pCyT4Epd.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/50ehr3JEw2C5u8pCyT4Epd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1873f87e66752426af911d623f5653bac62342fd44ac1c649b48070bdaf47a35. 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/1vwSNuPPqat52kEEgbg6fl.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/1vwSNuPPqat52kEEgbg6fl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf915dc47c172cd72bd528e9423c4730177ca42badef0f726c0d533082fb91c73. 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/6FDiFgU0TGCT730mNyvnD6.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/6FDiFgU0TGCT730mNyvnD6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc959f4c7cceff4dbfb39833b67ea73e0187f916337c3504e8e5535bbca939592. 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/26ufErTk7U3UYIf9GNKaEb.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/26ufErTk7U3UYIf9GNKaEb.