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 0x5d7613557111ef1542471ba5969a67bfdc118f533a296d34aa620c6dfaedafb4. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/35edbf7b-eecd-4a3a-8109-afd5825bb5a5.json and https://artists.proofprofile.net/proofs/artist/35edbf7b-eecd-4a3a-8109-afd5825bb5a5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Larz-Kristerz bjuder upp till stuffparty 2
Gamla kära tuffa tuff tuff tåget - Bonus
{"copyright_id":"0x8f10f9851b3470fcdd52cb30537520fb627c0400d94c1d9468ee8caaf0e7987b","isrc":"SEBGA0900141","name":"Half a Boy Half a Man","registered_at":"2026-06-24T12:03:44Z","spotify_id":"6YOmzmdH2Bz3jDiHZmtTsZ","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 0x8f10f9851b3470fcdd52cb30537520fb627c0400d94c1d9468ee8caaf0e7987b. Chain 2 (Bitcoin): anchored in block 956426 (2026-07-03T01:37:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6YOmzmdH2Bz3jDiHZmtTsZ.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/6YOmzmdH2Bz3jDiHZmtTsZ.
Du e' flickan för mig (The Most Beautiful Girl)
{"copyright_id":"0x9e1df1724c8ac594014cc3b99d081687d80cec685640156fd0139ec3a4d619f5","isrc":"SEBGA1500104","name":"När radion spelade Rock 'n' Roll","registered_at":"2026-06-28T21:12:19Z","spotify_id":"2DteCjucxHMsHW22pSkECB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e1df1724c8ac594014cc3b99d081687d80cec685640156fd0139ec3a4d619f5. 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/2DteCjucxHMsHW22pSkECB.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/2DteCjucxHMsHW22pSkECB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1929df29832a52d34e83900850cbf0a67fcae84b9ca67dd6b70e56b69e89efcc. 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/2o3Tx9d2LiAHyII7njliVn.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/2o3Tx9d2LiAHyII7njliVn.
{"copyright_id":"0x5c52e562f529f10303f456082c1fb6d675c4577b4cb1b16ebf5c7e63ce15c6a4","isrc":"SEBGA1400833","name":"Fast i ditt garn igen","registered_at":"2026-06-28T21:13:15Z","spotify_id":"3PH3PgtMGoryciihLWkjzQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c52e562f529f10303f456082c1fb6d675c4577b4cb1b16ebf5c7e63ce15c6a4. 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/3PH3PgtMGoryciihLWkjzQ.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/3PH3PgtMGoryciihLWkjzQ.
{"copyright_id":"0x8c3896e2886ba6b9cbc9a9a111a5b816733b0112d1bdcea3b054b437208c2a0d","isrc":"SEBGA1000198","name":"Gasen i botten","registered_at":"2026-06-28T21:05:59Z","spotify_id":"6lUQNFJEBit3VilVmDd1Kv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c3896e2886ba6b9cbc9a9a111a5b816733b0112d1bdcea3b054b437208c2a0d. 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/6lUQNFJEBit3VilVmDd1Kv.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/6lUQNFJEBit3VilVmDd1Kv.
Man tänker på henne igen / Min sista dans
Allting här i livet, det går upp och ner
Det måste gå att dansa till (DJ Grillvante Remix)
Det måste gå att dansa till - DJ Grillvante Remix
{"copyright_id":"0x40673adc0e1ecb1fafc3501ae62d6f976ddc0563b6dc3364c8ee2fad00c5ef65","isrc":"SEBGA2304167","name":"Carina - J.O.X Remix","registered_at":"2026-06-07T05:27:06Z","spotify_id":"1mpvkeA226piD1XtKieNvB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40673adc0e1ecb1fafc3501ae62d6f976ddc0563b6dc3364c8ee2fad00c5ef65. 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/1mpvkeA226piD1XtKieNvB.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/1mpvkeA226piD1XtKieNvB.
En riktig Volvo EPA - DJ Grillvante Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d97b67b55234398cc6cb16e39be5735f6c23580500fb2d674ab9c8408bffed7. 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/3lnmYpWaq3YojLuIbInKly.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/3lnmYpWaq3YojLuIbInKly.
Du é flickan för mig (The Most Beautiful Girl)
SOMMAR & SOL - Med Sveriges största dansband
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1929df29832a52d34e83900850cbf0a67fcae84b9ca67dd6b70e56b69e89efcc. 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/758OhbhraWE8bTuXdMzRNr.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/758OhbhraWE8bTuXdMzRNr.
Raggarbilshits, Vol. 5 - Raggarrock & Rockabilly
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f10f9851b3470fcdd52cb30537520fb627c0400d94c1d9468ee8caaf0e7987b. 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/5oZ9A0NCHkmgZS71EEWp1u.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/5oZ9A0NCHkmgZS71EEWp1u.