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 0xedd205d5304ba33f5ef574f65d8bd473321ce96b7eb4fc8e7b71854cc76d7fd6. 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/b5b493ff-f29c-4aa4-9cce-e19d828ed943.json and https://artists.proofprofile.net/proofs/artist/b5b493ff-f29c-4aa4-9cce-e19d828ed943.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x8a5ba2331d4d990c4ca8490eddb6a05b28711039220c88d7f2fe29fc8141963a","isrc":"SE5BU2259068","name":"För Alla Gånger - Hubbe Version","registered_at":"2026-06-21T19:25:54Z","spotify_id":"4VlKF4u7pBnnpN7Opwzb5C","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 0x8a5ba2331d4d990c4ca8490eddb6a05b28711039220c88d7f2fe29fc8141963a. 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/4VlKF4u7pBnnpN7Opwzb5C.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/4VlKF4u7pBnnpN7Opwzb5C.
{"copyright_id":"0xa6747968755ec97d7a2bb665a7fb0118e65f46008fa92b5fceb34456ac3ee64d","isrc":"SE62M2338288","name":"SKITER I DIN DALAHÄST - Dipzit Remix","registered_at":"2026-06-18T07:49:59Z","spotify_id":"51HVWck1B4IYtKtdRRtisK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6747968755ec97d7a2bb665a7fb0118e65f46008fa92b5fceb34456ac3ee64d. 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/51HVWck1B4IYtKtdRRtisK.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/51HVWck1B4IYtKtdRRtisK.
SKITER I DIN DALAHÄST - GRABBARNA GRUS Remix
SKITER I DIN DALAHÄST - LNDBRG x Svardh Remix
{"copyright_id":"0x653427c6dd967a7bdbc1fef620f9e747a2be23cf9777a570401e038c331353f9","isrc":"SE66N2311603","name":"SKITER I DIN DALAHÄST - LNDBRG x Svardh Remix","registered_at":"2026-06-06T13:48:25Z","spotify_id":"3D3GxH1lxyqHNvRXlqAuS4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x653427c6dd967a7bdbc1fef620f9e747a2be23cf9777a570401e038c331353f9. 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/3D3GxH1lxyqHNvRXlqAuS4.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/3D3GxH1lxyqHNvRXlqAuS4.
{"copyright_id":"0xafd3050a67cb4c3657bda62cc8e7938c725d67f967e26b6391a3fa2cf58859e4","isrc":"SE6XX2322205","name":"SKITER I DIN DALAHÄST - Hubbe Remix","registered_at":"2026-06-11T21:08:45Z","spotify_id":"3ax583I33mJKwgxZbKzrlB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafd3050a67cb4c3657bda62cc8e7938c725d67f967e26b6391a3fa2cf58859e4. 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/3ax583I33mJKwgxZbKzrlB.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/3ax583I33mJKwgxZbKzrlB.
{"copyright_id":"0xf11f2369a57d43838cf230e0d00e657132b76684f7d06a83fc43288da76549e8","isrc":"QZTB62304930","name":"SKITER I DIN DALAHÄST - demz Remix","registered_at":"2026-06-19T00:04:24Z","spotify_id":"0EfqOGtmxHR2oGWYqL8YwQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf11f2369a57d43838cf230e0d00e657132b76684f7d06a83fc43288da76549e8. 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/0EfqOGtmxHR2oGWYqL8YwQ.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/0EfqOGtmxHR2oGWYqL8YwQ.
SKITER I DIN DALAHÄST - Greta Tuborg Remix
{"copyright_id":"0x3176cff99ac21302d5a487be6465af96cd0806a209402f075f9a66616d68841d","isrc":"QZTAU2315071","name":"SKITER I DIN DALAHÄST - Greta Tuborg Remix","registered_at":"2026-06-04T10:41:12Z","spotify_id":"5d5x8wo5GaeWFyp4DXDgoW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3176cff99ac21302d5a487be6465af96cd0806a209402f075f9a66616d68841d. 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/5d5x8wo5GaeWFyp4DXDgoW.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/5d5x8wo5GaeWFyp4DXDgoW.
{"copyright_id":"0x372cccaaa4fe61c3cd3899a3b832a5d773f3aa5ef2d7891d1463b8f3b6fe6c1c","isrc":"SE6XW2335011","name":"SKITER I DIN DALAHÄST","registered_at":"2026-06-05T05:15:02Z","spotify_id":"1643ZXUIOcfbiwqDgvEGXM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x372cccaaa4fe61c3cd3899a3b832a5d773f3aa5ef2d7891d1463b8f3b6fe6c1c. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1643ZXUIOcfbiwqDgvEGXM.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/1643ZXUIOcfbiwqDgvEGXM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x881df1d267b736856d0362a767411466ea8ea271d3bad794080fe6016a78f98b. 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/6krS5vZGzbjj8LU4Yy2Dwt.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/6krS5vZGzbjj8LU4Yy2Dwt.
{"copyright_id":"0x849b8df10bdc84de55e9eb174c57f62fd5211e30cd1821e01136e7d8ea9d7176","isrc":"GX8LE2467498","name":"I Kissed A Girl","registered_at":"2026-06-07T02:32:33Z","spotify_id":"5qyx9cYBe1ffOPPgmONEvz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x849b8df10bdc84de55e9eb174c57f62fd5211e30cd1821e01136e7d8ea9d7176. 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/5qyx9cYBe1ffOPPgmONEvz.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/5qyx9cYBe1ffOPPgmONEvz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x608ef89c97ddf739e23b769997dc9375e7911c65d615c7b0cf4950b7c1a0ed88. 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/1r6KmsXV8O8Ngo5iR5rrJu.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/1r6KmsXV8O8Ngo5iR5rrJu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe358214bca3139a423223edcb7f2438a295ac31bf3e54f768d375683bc214f60. 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/2cckO048D7UgXxePC2IEdO.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/2cckO048D7UgXxePC2IEdO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdcd8a8f2ebcf25d01d405bc2710dadee02a518614b2d6f8468371bcb99adba2. 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/0L55VRYKqK6pI92XbonRGe.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/0L55VRYKqK6pI92XbonRGe.
{"copyright_id":"0x06f789e68f5dc1eacb6040831948fd3b874272653ea6a9effebff38ff24d21fa","isrc":"SEWLR2435901","name":"Boten Anna","registered_at":"2026-06-05T20:05:27Z","spotify_id":"3n7Cf6oyDAi1EsWbUtbVFE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06f789e68f5dc1eacb6040831948fd3b874272653ea6a9effebff38ff24d21fa. 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/3n7Cf6oyDAi1EsWbUtbVFE.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/3n7Cf6oyDAi1EsWbUtbVFE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9832ee041de8f62c71e4782ec811784af0d2a34ac1637a500bd87fb7a7455999. 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/6wlYXspDlXDK1A8w1KVjr4.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/6wlYXspDlXDK1A8w1KVjr4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd829b5f134bab484911177359e6053883cf2ee60358e25fae08e788cf0d9c7ce. 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/5iKKFRjKl3RAFmVhJtKK2C.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/5iKKFRjKl3RAFmVhJtKK2C.
{"copyright_id":"0xb1df71d09fbddc38977827b425dfcf8d9c448ca363e017d5af5372626b3c341f","isrc":"DEPI82423006","name":"Numb - Techno","registered_at":"2026-06-07T05:50:32Z","spotify_id":"7GBTsnaYYkvLoF5qtU1bxj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1df71d09fbddc38977827b425dfcf8d9c448ca363e017d5af5372626b3c341f. 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/7GBTsnaYYkvLoF5qtU1bxj.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/7GBTsnaYYkvLoF5qtU1bxj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5bebc7c62ddeb7a89cc89c9595207b518c46bf2025f81a6ef34fa0d3d39c455. 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/1oPGg4bfVVbDWweIn33hmh.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/1oPGg4bfVVbDWweIn33hmh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc57ddf13530358d3ea407eb12e780d5526d80d26b5eb95b930b6edaea611711d. 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/0HDXQPA9mNjIbQ78FgITC2.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/0HDXQPA9mNjIbQ78FgITC2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2972ad71c7067a213a94ed998689ea738762aae838f2b73f112610d146a6c8b2. 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/4U5ElBMiozZXfc8NjfF0Wa.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/4U5ElBMiozZXfc8NjfF0Wa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc25e761a4b5596088773c7c7f86b8c1f79e240776f7a4b20d361c790dd01232. 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/1I5GSsY5E5OIFARE8whzat.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/1I5GSsY5E5OIFARE8whzat.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1df71d09fbddc38977827b425dfcf8d9c448ca363e017d5af5372626b3c341f. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7KoWOOlK4Gz7Sy8ZDL8Zb8.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/7KoWOOlK4Gz7Sy8ZDL8Zb8.