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 0x1ab41d9d049504633ad3a9cfc6443c233a6832f90489560cbaada271a7e60668. 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/a63fba05-fc30-4ab9-ae8e-32757e45ce89.json and https://artists.proofprofile.net/proofs/artist/a63fba05-fc30-4ab9-ae8e-32757e45ce89.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x08fd2a9737bde643418f16f69557ab6ef99fc552e6addeb95b20a550f571da21","isrc":"FR2X42215998","name":"I'll Get Home - The Nextmen Remix","registered_at":"2026-06-24T08:36:03Z","spotify_id":"076vLIslnvAiGG6arwP8ps","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 0x08fd2a9737bde643418f16f69557ab6ef99fc552e6addeb95b20a550f571da21. 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/076vLIslnvAiGG6arwP8ps.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/076vLIslnvAiGG6arwP8ps.
{"copyright_id":"0xc9cdb8949c70d6eb1566a4811da56a9becce06de198315140ea3d37cefd8023f","isrc":"UKXN22306427","name":"Body Groovin'","registered_at":"2026-06-10T17:05:27Z","spotify_id":"2KFZwkak8Co1SMmg4kUKon","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9cdb8949c70d6eb1566a4811da56a9becce06de198315140ea3d37cefd8023f. 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/2KFZwkak8Co1SMmg4kUKon.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/2KFZwkak8Co1SMmg4kUKon.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41885072dd4426e7f4332d153f5648f2c047f5f26d0069650252db3392667e86. 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/1Yr2CcJUXo7jt60FqI79x6.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/1Yr2CcJUXo7jt60FqI79x6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e6c7c6742491de0f75ed9d55ab1a20d1a9c73f30ec0c2065013885996728de3. 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/0PvdHWqMF6eXc2SPEc2j9H.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/0PvdHWqMF6eXc2SPEc2j9H.
{"copyright_id":"0xab0279dcf90d1e028974336ec1a9aa21e257fbd23ae581826c060340a0719e1f","isrc":"FR96X1968098","name":"Good Time Not a Long Time","registered_at":"2026-06-11T06:29:33Z","spotify_id":"7AAmVqPhu1ipKIBaKt3Lwz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab0279dcf90d1e028974336ec1a9aa21e257fbd23ae581826c060340a0719e1f. 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/7AAmVqPhu1ipKIBaKt3Lwz.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/7AAmVqPhu1ipKIBaKt3Lwz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x480da11ca5a9da8a0f694e44fefeb16b2db15d8ff89ed7002b50d4727e6728ae. 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/4xENSQWfJStS8WxRqfkLkm.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/4xENSQWfJStS8WxRqfkLkm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x805ed52890849d8e7fdec821ecfc09f142d368ad5cdcfd7b09611cd9c4f3c711. 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/2y3FlVAZh3j2FDSt0QT9Kz.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/2y3FlVAZh3j2FDSt0QT9Kz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabb06a091877c2b008d26350e2c191d87bcb82753a7df1c700a3a89cca883a32. 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/7uVDrOl9UuAg0UpZYx83ww.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/7uVDrOl9UuAg0UpZYx83ww.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x980b0e4c01e24399c276ec42c65f403a914bb6924f92644740f15a92ebc6c690. 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/2lwA6CuazT8Q7Wyu4dpreT.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/2lwA6CuazT8Q7Wyu4dpreT.
{"copyright_id":"0xe9470b1ee8877a131a4bb3ad067a2d14f09bef67145b69fc60c55ddf6f8c76a5","isrc":"FR96X1968104","name":"Slave 2 the Rhythm","registered_at":"2026-06-17T23:46:58Z","spotify_id":"5nH9VPeDigKvmC4Aqkyb86","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9470b1ee8877a131a4bb3ad067a2d14f09bef67145b69fc60c55ddf6f8c76a5. 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/5nH9VPeDigKvmC4Aqkyb86.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/5nH9VPeDigKvmC4Aqkyb86.
{"copyright_id":"0x445bf109927d7aeb589b9febcc2e4e952999994a44fb1c425875e7cea8194a8b","isrc":"FR59R2229801","name":"The Sequel","registered_at":"2026-06-19T05:19:50Z","spotify_id":"3rflaOMoCCaNamEhPHLtwV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x445bf109927d7aeb589b9febcc2e4e952999994a44fb1c425875e7cea8194a8b. 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/3rflaOMoCCaNamEhPHLtwV.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/3rflaOMoCCaNamEhPHLtwV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18a79341bc4faaa45e60b0c973b036207e845af878d2daa379ff641c6412471b. 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/5kDfmEwV51CNpuGaBLf6Zw.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/5kDfmEwV51CNpuGaBLf6Zw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x434a86d018cafc6f75c82937a19634fd565c90b4b4a26d88c81d6f43b42d262e. 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/5ezWIpNsX82DNuzMm9pef7.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/5ezWIpNsX82DNuzMm9pef7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x766aa741d7385d2c14fc615dc757c436c5af2e1bbc44daf45058b86a617c8349. 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/6jBaBBoeGD2MH4PgNXYFmv.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/6jBaBBoeGD2MH4PgNXYFmv.
Welcome To The Jungle, Vol. 3: The Ultimate Jungle Cakes Drum & Bass Compilation
{"copyright_id":"0xcf786a8dff89bc0d65082a51e1186986fabdc4577befd9771a26e72a7322bd60","isrc":"GBFG91512772","name":"See The Vibe - Ed Solo Remix","registered_at":"2026-06-17T23:53:08Z","spotify_id":"2ZXV6SUVUiVmXeCNyGixkp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf786a8dff89bc0d65082a51e1186986fabdc4577befd9771a26e72a7322bd60. 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/2ZXV6SUVUiVmXeCNyGixkp.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/2ZXV6SUVUiVmXeCNyGixkp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe90d085a0794b35ba54eba1511b3c3dac0c8adf92529b4b0c116032f599d1cbf. 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/4HC4xxnzCcOBwPXjZPn7vp.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/4HC4xxnzCcOBwPXjZPn7vp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfce953b8cb13caf291fa6f66aeff7499b6a80d80ea6132e5407ae813a27d2e69. 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/2hwGeNlK1KfAQ6BCIpp89m.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/2hwGeNlK1KfAQ6BCIpp89m.
{"copyright_id":"0xdce07a72655eadd5f34d55d068624711e95f0662eee1eaedb9414c0130a11a2f","isrc":"GBKPL1804096","name":"Raised on the Amen","registered_at":"2026-06-21T18:09:29Z","spotify_id":"26HJldp6GgoTdsLThWo8uh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdce07a72655eadd5f34d55d068624711e95f0662eee1eaedb9414c0130a11a2f. 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/26HJldp6GgoTdsLThWo8uh.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/26HJldp6GgoTdsLThWo8uh.
{"copyright_id":"0xc1c1cf066b15c0f277526dd6a07b97fb528ad84991acbd26d67240ab92624832","isrc":"GBKPL1804094","name":"Running Scared","registered_at":"2026-06-20T22:04:28Z","spotify_id":"5QnPSRYIFwmY5k0TbnDEpW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1c1cf066b15c0f277526dd6a07b97fb528ad84991acbd26d67240ab92624832. 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/5QnPSRYIFwmY5k0TbnDEpW.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/5QnPSRYIFwmY5k0TbnDEpW.