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 0x733f7bf5de0968196b0e41f7aa51f4136e00f3aba9a7c3ff2d1edbc7d5e918ee. 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/22a3dab5-bd02-4ce6-b3f1-795971b51fbd.json and https://artists.proofprofile.net/proofs/artist/22a3dab5-bd02-4ce6-b3f1-795971b51fbd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Konfirmationspresenten / Lycka till med nästa kille
Konfirmationspresenten (Jag vill ha en synth farsan)
{"copyright_id":"0x5f34a7d80af67e40df21d4010f763e1e1bbcfb91da5136c725558eabadc01d94","isrc":"SEVSZ2001204","name":"Sommar och sol","registered_at":"2026-06-19T10:24:32Z","spotify_id":"5jghuwPTldho4mS4ELqwpX","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 0x5f34a7d80af67e40df21d4010f763e1e1bbcfb91da5136c725558eabadc01d94. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5jghuwPTldho4mS4ELqwpX.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/5jghuwPTldho4mS4ELqwpX.
Pessimistkonsulten (Det går åt helvete i alla fall)
Hon fick min Cadillac (Jag fick hennes hund)
Förfestmedley:Kurragömma/Genom eld och H2O/Mörka ögon/En riktig man/Kjärringa kan inte spela dragspel/Rosa helikopter/Djingis Kahn/Bonnatwist/Hon kommer med solsken/Vårstämning/Någon att hålla i hand
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0e45a98f3556bbbfbf148c076383bb572333b6d11a515aa9d9031cf14c45968. 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/785SgoUeEnS2FPyNyco04c.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/785SgoUeEnS2FPyNyco04c.
Tystnar i luren - EPA Remix (Dansbandsrave)
{"copyright_id":"0x78787797811b9f526608bcfcfb5f7543fc3d8b53fdab163997ecf0d37daaf287","isrc":"SEVSZ2200603","name":"Tystnar i luren - EPA Remix (Dansbandsrave)","registered_at":"2026-06-06T16:55:26Z","spotify_id":"5Oew2DJrAYkhkASRy8ZYhg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78787797811b9f526608bcfcfb5f7543fc3d8b53fdab163997ecf0d37daaf287. 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/5Oew2DJrAYkhkASRy8ZYhg.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/5Oew2DJrAYkhkASRy8ZYhg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb013895fd5e41438bc3a9f835b23eac9cbdb81765c2e5e852615dd29f541f781. 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/4p5oMxDmgLH3jS7DFIooCo.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/4p5oMxDmgLH3jS7DFIooCo.
{"copyright_id":"0x5f34a7d80af67e40df21d4010f763e1e1bbcfb91da5136c725558eabadc01d94","isrc":"SEVSZ2001204","name":"Sommar och sol","registered_at":"2026-06-19T10:24:32Z","spotify_id":"4t13ds7lLtKdMfLUgaGvK5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f34a7d80af67e40df21d4010f763e1e1bbcfb91da5136c725558eabadc01d94. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4t13ds7lLtKdMfLUgaGvK5.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/4t13ds7lLtKdMfLUgaGvK5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab619311036673dc720e994e09c1bad2daae0fa24ba574594eb1b95feb9d5a43. 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/6wzXJIXMK5hRik4GnyxBqf.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/6wzXJIXMK5hRik4GnyxBqf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb013895fd5e41438bc3a9f835b23eac9cbdb81765c2e5e852615dd29f541f781. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0Kng2iMY46p4c4pCluEgWE.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/0Kng2iMY46p4c4pCluEgWE.
Håkan medley - En jävla hitkavalkad: Din tid kommer / Känn ingen sorg för mig Göteborg / Det kommer aldrig va' över för mig / Kom igen Lena! / En vän med en bil / Valborg
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcb9799b11d531f88bede42be179c59d1559b66e8302970d7812ade92224170c. 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/1CAUPgJpmzRS2W73lJ960P.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/1CAUPgJpmzRS2W73lJ960P.
{"copyright_id":"0x1db107edc34695172debd022e7f8a224ac102db7ec74fbe1fcdef59801237c34","isrc":"SEVSZ2304301","name":"Karlavagnen - Akustisk Live","registered_at":"2026-06-29T03:29:00Z","spotify_id":"6WxsxEVJK8Ok1QdXJzQ2pP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1db107edc34695172debd022e7f8a224ac102db7ec74fbe1fcdef59801237c34. 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/6WxsxEVJK8Ok1QdXJzQ2pP.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/6WxsxEVJK8Ok1QdXJzQ2pP.
{"copyright_id":"0xfcb9799b11d531f88bede42be179c59d1559b66e8302970d7812ade92224170c","isrc":"SEVSZ2303201","name":"Visa mig hur man går hem","registered_at":"2026-06-08T17:50:54Z","spotify_id":"0atzzOLaPM0oRWlW8xse47","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcb9799b11d531f88bede42be179c59d1559b66e8302970d7812ade92224170c. 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/0atzzOLaPM0oRWlW8xse47.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/0atzzOLaPM0oRWlW8xse47.
{"copyright_id":"0x5f34a7d80af67e40df21d4010f763e1e1bbcfb91da5136c725558eabadc01d94","isrc":"SEVSZ2001204","name":"Sommar och sol","registered_at":"2026-06-19T10:24:32Z","spotify_id":"6k0jkNO1sOEIybS7inXODu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f34a7d80af67e40df21d4010f763e1e1bbcfb91da5136c725558eabadc01d94. 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/6k0jkNO1sOEIybS7inXODu.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/6k0jkNO1sOEIybS7inXODu.
{"copyright_id":"0x78787797811b9f526608bcfcfb5f7543fc3d8b53fdab163997ecf0d37daaf287","isrc":"SEVSZ2200603","name":"Tystnar i luren - EPA Remix (Dansbandsrave)","registered_at":"2026-06-06T16:55:26Z","spotify_id":"4g1s7nROiYRJfo755FnvcD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78787797811b9f526608bcfcfb5f7543fc3d8b53fdab163997ecf0d37daaf287. 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/4g1s7nROiYRJfo755FnvcD.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/4g1s7nROiYRJfo755FnvcD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98d862cdc9514209f35fe7b0159e6aee48a61551713cb0a2a2ddacd07a6c5b29. 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/52Gd4uUbQs2gR4uIjk896X.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/52Gd4uUbQs2gR4uIjk896X.
Förfestmedley:Kurragömma/Genom eld och H2O/Mörka ögon/En riktig man/Kjärringa kan inte spela dragspel/Rosa helikopter/Djingis Kahn/Bonnatwist/Hon kommer med solsken/Vårstämning/Någon att håll